./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.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_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/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_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/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_55479ae3-8d7c-4571-a861-33abaee808c3/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 cc81a0fdf5a8fc47bd520d0ffd4783aee7bab8a9ab782dc4fa625b3bc33bce33 --- 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 19:33:02,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:33:02,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:33:02,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:33:02,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:33:02,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:33:02,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:33:02,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:33:02,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:33:02,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:33:02,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:33:02,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:33:02,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:33:02,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:33:02,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:33:02,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:33:02,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:33:02,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:33:02,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:33:02,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:33:02,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:33:02,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:33:02,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:33:02,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:33:02,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:33:02,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:33:02,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:33:02,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:33:02,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:33:02,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:33:02,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:33:02,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:33:02,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:33:02,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:33:02,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:33:02,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:33:02,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:33:02,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:33:02,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:33:02,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:33:02,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:33:02,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:33:02,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:33:02,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:33:02,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:33:02,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:33:02,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:33:02,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:33:02,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:33:02,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:33:02,284 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:33:02,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:33:02,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:33:02,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:33:02,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:33:02,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:33:02,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:33:02,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:33:02,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:33:02,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:33:02,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:33:02,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:33:02,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:33:02,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:33:02,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:33:02,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:33:02,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:33:02,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:33:02,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:33:02,292 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:33:02,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:33:02,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:33:02,293 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_55479ae3-8d7c-4571-a861-33abaee808c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc81a0fdf5a8fc47bd520d0ffd4783aee7bab8a9ab782dc4fa625b3bc33bce33 [2022-11-18 19:33:02,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:33:02,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:33:02,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:33:02,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:33:02,705 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:33:02,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-18 19:33:02,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/data/28983e991/1e80dabb53ef409f84bf440f89d207c8/FLAG832b0bde2 [2022-11-18 19:33:03,996 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:33:03,997 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-18 19:33:04,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/data/28983e991/1e80dabb53ef409f84bf440f89d207c8/FLAG832b0bde2 [2022-11-18 19:33:04,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/data/28983e991/1e80dabb53ef409f84bf440f89d207c8 [2022-11-18 19:33:04,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:33:04,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:33:04,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:33:04,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:33:04,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:33:04,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:33:04" (1/1) ... [2022-11-18 19:33:04,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b108af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:04, skipping insertion in model container [2022-11-18 19:33:04,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:33:04" (1/1) ... [2022-11-18 19:33:04,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:33:04,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:33:09,670 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_55479ae3-8d7c-4571-a861-33abaee808c3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[494254,494267] [2022-11-18 19:33:09,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:33:09,867 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:33:10,738 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_55479ae3-8d7c-4571-a861-33abaee808c3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[494254,494267] [2022-11-18 19:33:10,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:33:11,064 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:33:11,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11 WrapperNode [2022-11-18 19:33:11,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:33:11,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:33:11,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:33:11,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:33:11,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:11,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:11,790 INFO L138 Inliner]: procedures = 589, calls = 5730, calls flagged for inlining = 265, calls inlined = 231, statements flattened = 11588 [2022-11-18 19:33:11,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:33:11,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:33:11,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:33:11,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:33:11,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:11,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:11,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:11,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:12,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:12,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:12,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:12,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:12,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:33:12,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:33:12,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:33:12,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:33:12,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (1/1) ... [2022-11-18 19:33:12,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:33:12,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:33:12,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:33:12,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55479ae3-8d7c-4571-a861-33abaee808c3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:33:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 19:33:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 19:33:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2022-11-18 19:33:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2022-11-18 19:33:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 19:33:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-18 19:33:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-18 19:33:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 19:33:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 19:33:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2022-11-18 19:33:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2022-11-18 19:33:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-18 19:33:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-18 19:33:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2022-11-18 19:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2022-11-18 19:33:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:33:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:33:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2022-11-18 19:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2022-11-18 19:33:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-18 19:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-18 19:33:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 19:33:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 19:33:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 19:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 19:33:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2022-11-18 19:33:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2022-11-18 19:33:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2022-11-18 19:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2022-11-18 19:33:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2022-11-18 19:33:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2022-11-18 19:33:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:33:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:33:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:33:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:33:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2022-11-18 19:33:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2022-11-18 19:33:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2022-11-18 19:33:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2022-11-18 19:33:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2022-11-18 19:33:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2022-11-18 19:33:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2022-11-18 19:33:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2022-11-18 19:33:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2022-11-18 19:33:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2022-11-18 19:33:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 19:33:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 19:33:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-18 19:33:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2022-11-18 19:33:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2022-11-18 19:33:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 19:33:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 19:33:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2022-11-18 19:33:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2022-11-18 19:33:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2022-11-18 19:33:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2022-11-18 19:33:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2022-11-18 19:33:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2022-11-18 19:33:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:33:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2022-11-18 19:33:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2022-11-18 19:33:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-18 19:33:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-18 19:33:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-18 19:33:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-18 19:33:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 19:33:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 19:33:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 19:33:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 19:33:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-18 19:33:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-18 19:33:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2022-11-18 19:33:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2022-11-18 19:33:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:33:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:33:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2022-11-18 19:33:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2022-11-18 19:33:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 19:33:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 19:33:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2022-11-18 19:33:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2022-11-18 19:33:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2022-11-18 19:33:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2022-11-18 19:33:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:33:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2022-11-18 19:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2022-11-18 19:33:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 19:33:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 19:33:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:33:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:33:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 19:33:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 19:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2022-11-18 19:33:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2022-11-18 19:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-18 19:33:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-18 19:33:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 19:33:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 19:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2022-11-18 19:33:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2022-11-18 19:33:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:33:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:33:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2022-11-18 19:33:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2022-11-18 19:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2022-11-18 19:33:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2022-11-18 19:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2022-11-18 19:33:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2022-11-18 19:33:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-18 19:33:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-18 19:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 19:33:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 19:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 19:33:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 19:33:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-18 19:33:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-18 19:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-18 19:33:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-18 19:33:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2022-11-18 19:33:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2022-11-18 19:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2022-11-18 19:33:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2022-11-18 19:33:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 19:33:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 19:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:33:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2022-11-18 19:33:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2022-11-18 19:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2022-11-18 19:33:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2022-11-18 19:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-18 19:33:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-18 19:33:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-18 19:33:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-18 19:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 19:33:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 19:33:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2022-11-18 19:33:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2022-11-18 19:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2022-11-18 19:33:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2022-11-18 19:33:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2022-11-18 19:33:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2022-11-18 19:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2022-11-18 19:33:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2022-11-18 19:33:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2022-11-18 19:33:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2022-11-18 19:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2022-11-18 19:33:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2022-11-18 19:33:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:33:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2022-11-18 19:33:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2022-11-18 19:33:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:33:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:33:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2022-11-18 19:33:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2022-11-18 19:33:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2022-11-18 19:33:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2022-11-18 19:33:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2022-11-18 19:33:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2022-11-18 19:33:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2022-11-18 19:33:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2022-11-18 19:33:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-18 19:33:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-18 19:33:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2022-11-18 19:33:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2022-11-18 19:33:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 19:33:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 19:33:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2022-11-18 19:33:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2022-11-18 19:33:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2022-11-18 19:33:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2022-11-18 19:33:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:33:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:33:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 19:33:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 19:33:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 19:33:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 19:33:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2022-11-18 19:33:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2022-11-18 19:33:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 19:33:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 19:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-18 19:33:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-18 19:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:33:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:33:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2022-11-18 19:33:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2022-11-18 19:33:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2022-11-18 19:33:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2022-11-18 19:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2022-11-18 19:33:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2022-11-18 19:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-18 19:33:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-18 19:33:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2022-11-18 19:33:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2022-11-18 19:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-18 19:33:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-18 19:33:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-18 19:33:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-18 19:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2022-11-18 19:33:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2022-11-18 19:33:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2022-11-18 19:33:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2022-11-18 19:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 19:33:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 19:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-18 19:33:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-18 19:33:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:33:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-18 19:33:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-18 19:33:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2022-11-18 19:33:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2022-11-18 19:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2022-11-18 19:33:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2022-11-18 19:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2022-11-18 19:33:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2022-11-18 19:33:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2022-11-18 19:33:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2022-11-18 19:33:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2022-11-18 19:33:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2022-11-18 19:33:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 19:33:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 19:33:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:33:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:33:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2022-11-18 19:33:12,939 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2022-11-18 19:33:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 19:33:12,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 19:33:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:33:12,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:33:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2022-11-18 19:33:12,940 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2022-11-18 19:33:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2022-11-18 19:33:12,940 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2022-11-18 19:33:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2022-11-18 19:33:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2022-11-18 19:33:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-18 19:33:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-18 19:33:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-11-18 19:33:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-11-18 19:33:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2022-11-18 19:33:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2022-11-18 19:33:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 19:33:12,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 19:33:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:33:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:33:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:33:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:33:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2022-11-18 19:33:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2022-11-18 19:33:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-18 19:33:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-18 19:33:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2022-11-18 19:33:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2022-11-18 19:33:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2022-11-18 19:33:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2022-11-18 19:33:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2022-11-18 19:33:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2022-11-18 19:33:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-18 19:33:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-18 19:33:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2022-11-18 19:33:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2022-11-18 19:33:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:33:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2022-11-18 19:33:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2022-11-18 19:33:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2022-11-18 19:33:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2022-11-18 19:33:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-18 19:33:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-18 19:33:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:33:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:33:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 19:33:12,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 19:33:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-18 19:33:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-18 19:33:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2022-11-18 19:33:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2022-11-18 19:33:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 19:33:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 19:33:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2022-11-18 19:33:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2022-11-18 19:33:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2022-11-18 19:33:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2022-11-18 19:33:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2022-11-18 19:33:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2022-11-18 19:33:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-18 19:33:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-18 19:33:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-18 19:33:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-18 19:33:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2022-11-18 19:33:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2022-11-18 19:33:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2022-11-18 19:33:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2022-11-18 19:33:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2022-11-18 19:33:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2022-11-18 19:33:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 19:33:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 19:33:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:33:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:33:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2022-11-18 19:33:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2022-11-18 19:33:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-18 19:33:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-18 19:33:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2022-11-18 19:33:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2022-11-18 19:33:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-18 19:33:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-18 19:33:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:33:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-11-18 19:33:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-11-18 19:33:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2022-11-18 19:33:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2022-11-18 19:33:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:33:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:33:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2022-11-18 19:33:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2022-11-18 19:33:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-18 19:33:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-18 19:33:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2022-11-18 19:33:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2022-11-18 19:33:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2022-11-18 19:33:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2022-11-18 19:33:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2022-11-18 19:33:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2022-11-18 19:33:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 19:33:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 19:33:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 19:33:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 19:33:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2022-11-18 19:33:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2022-11-18 19:33:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2022-11-18 19:33:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2022-11-18 19:33:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-18 19:33:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-18 19:33:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2022-11-18 19:33:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2022-11-18 19:33:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-18 19:33:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-18 19:33:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 19:33:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 19:33:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2022-11-18 19:33:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2022-11-18 19:33:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2022-11-18 19:33:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2022-11-18 19:33:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-18 19:33:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-18 19:33:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2022-11-18 19:33:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2022-11-18 19:33:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-18 19:33:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-18 19:33:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-18 19:33:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-18 19:33:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-18 19:33:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-18 19:33:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-18 19:33:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-18 19:33:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2022-11-18 19:33:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2022-11-18 19:33:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2022-11-18 19:33:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2022-11-18 19:33:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:33:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:33:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2022-11-18 19:33:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2022-11-18 19:33:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-18 19:33:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-18 19:33:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2022-11-18 19:33:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2022-11-18 19:33:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2022-11-18 19:33:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2022-11-18 19:33:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2022-11-18 19:33:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2022-11-18 19:33:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2022-11-18 19:33:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2022-11-18 19:33:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:33:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2022-11-18 19:33:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2022-11-18 19:33:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 19:33:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-11-18 19:33:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-11-18 19:33:14,544 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:33:14,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:33:14,823 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:43:29,175 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:43:29,221 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:43:29,221 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:43:29,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:43:29 BoogieIcfgContainer [2022-11-18 19:43:29,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:43:29,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:43:29,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:43:29,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:43:29,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:33:04" (1/3) ... [2022-11-18 19:43:29,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5340f0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:43:29, skipping insertion in model container [2022-11-18 19:43:29,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:11" (2/3) ... [2022-11-18 19:43:29,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5340f0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:43:29, skipping insertion in model container [2022-11-18 19:43:29,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:43:29" (3/3) ... [2022-11-18 19:43:29,246 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-18 19:43:29,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:43:29,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:43:29,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:43:29,421 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;@41c102, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:43:29,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:43:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 3753 states, 2662 states have (on average 1.3501126972201352) internal successors, (3594), 2718 states have internal predecessors, (3594), 906 states have call successors, (906), 184 states have call predecessors, (906), 183 states have return successors, (896), 891 states have call predecessors, (896), 896 states have call successors, (896) [2022-11-18 19:43:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 19:43:29,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:29,470 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:29,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:29,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:29,477 INFO L85 PathProgramCache]: Analyzing trace with hash 118163587, now seen corresponding path program 1 times [2022-11-18 19:43:29,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:29,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401493328] [2022-11-18 19:43:29,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:29,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:43:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:43:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:43:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:43:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 19:43:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 19:43:32,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:32,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401493328] [2022-11-18 19:43:32,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401493328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:32,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:32,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:43:32,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723284777] [2022-11-18 19:43:32,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:32,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:43:32,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:32,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:43:32,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:43:32,474 INFO L87 Difference]: Start difference. First operand has 3753 states, 2662 states have (on average 1.3501126972201352) internal successors, (3594), 2718 states have internal predecessors, (3594), 906 states have call successors, (906), 184 states have call predecessors, (906), 183 states have return successors, (896), 891 states have call predecessors, (896), 896 states have call successors, (896) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 19:43:34,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:54,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:56,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:59,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:04,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:06,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:16,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:16,782 INFO L93 Difference]: Finished difference Result 8626 states and 12945 transitions. [2022-11-18 19:44:16,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:44:16,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2022-11-18 19:44:16,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:16,866 INFO L225 Difference]: With dead ends: 8626 [2022-11-18 19:44:16,866 INFO L226 Difference]: Without dead ends: 4852 [2022-11-18 19:44:16,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:44:16,915 INFO L413 NwaCegarLoop]: 4711 mSDtfsCounter, 2756 mSDsluCounter, 10130 mSDsCounter, 0 mSdLazyCounter, 6292 mSolverCounterSat, 1234 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 14841 SdHoareTripleChecker+Invalid, 7531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1234 IncrementalHoareTripleChecker+Valid, 6292 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:16,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 14841 Invalid, 7531 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1234 Valid, 6292 Invalid, 5 Unknown, 0 Unchecked, 43.4s Time] [2022-11-18 19:44:16,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2022-11-18 19:44:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 3732. [2022-11-18 19:44:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3732 states, 2653 states have (on average 1.3399924613644931) internal successors, (3555), 2696 states have internal predecessors, (3555), 896 states have call successors, (896), 183 states have call predecessors, (896), 182 states have return successors, (894), 889 states have call predecessors, (894), 894 states have call successors, (894) [2022-11-18 19:44:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 5345 transitions. [2022-11-18 19:44:17,282 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 5345 transitions. Word has length 82 [2022-11-18 19:44:17,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:17,284 INFO L495 AbstractCegarLoop]: Abstraction has 3732 states and 5345 transitions. [2022-11-18 19:44:17,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 19:44:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 5345 transitions. [2022-11-18 19:44:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-18 19:44:17,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:17,293 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:17,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:44:17,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:17,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:17,295 INFO L85 PathProgramCache]: Analyzing trace with hash 742309697, now seen corresponding path program 1 times [2022-11-18 19:44:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:17,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705925589] [2022-11-18 19:44:17,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:44:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:44:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:44:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:44:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:44:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:44:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-18 19:44:18,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:18,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705925589] [2022-11-18 19:44:18,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705925589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:18,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:18,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:44:18,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497784866] [2022-11-18 19:44:18,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:18,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:44:18,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:18,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:44:18,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:44:18,803 INFO L87 Difference]: Start difference. First operand 3732 states and 5345 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 19:44:20,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:33,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:35,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:49,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:51,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:07,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:07,601 INFO L93 Difference]: Finished difference Result 12765 states and 18886 transitions. [2022-11-18 19:45:07,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:45:07,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2022-11-18 19:45:07,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:07,685 INFO L225 Difference]: With dead ends: 12765 [2022-11-18 19:45:07,685 INFO L226 Difference]: Without dead ends: 9036 [2022-11-18 19:45:07,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:45:07,719 INFO L413 NwaCegarLoop]: 6392 mSDtfsCounter, 8587 mSDsluCounter, 7144 mSDsCounter, 0 mSdLazyCounter, 5981 mSolverCounterSat, 2946 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9328 SdHoareTripleChecker+Valid, 13536 SdHoareTripleChecker+Invalid, 8932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2946 IncrementalHoareTripleChecker+Valid, 5981 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:07,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9328 Valid, 13536 Invalid, 8932 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2946 Valid, 5981 Invalid, 5 Unknown, 0 Unchecked, 47.6s Time] [2022-11-18 19:45:07,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9036 states. [2022-11-18 19:45:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9036 to 8018. [2022-11-18 19:45:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8018 states, 5733 states have (on average 1.3448456305599163) internal successors, (7710), 5839 states have internal predecessors, (7710), 1893 states have call successors, (1893), 362 states have call predecessors, (1893), 391 states have return successors, (2116), 1903 states have call predecessors, (2116), 1891 states have call successors, (2116) [2022-11-18 19:45:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8018 states to 8018 states and 11719 transitions. [2022-11-18 19:45:08,207 INFO L78 Accepts]: Start accepts. Automaton has 8018 states and 11719 transitions. Word has length 91 [2022-11-18 19:45:08,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:08,208 INFO L495 AbstractCegarLoop]: Abstraction has 8018 states and 11719 transitions. [2022-11-18 19:45:08,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 19:45:08,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8018 states and 11719 transitions. [2022-11-18 19:45:08,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-18 19:45:08,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:08,223 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:08,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:45:08,224 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:45:08,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:08,224 INFO L85 PathProgramCache]: Analyzing trace with hash 137469368, now seen corresponding path program 1 times [2022-11-18 19:45:08,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:08,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206417604] [2022-11-18 19:45:08,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:08,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:45:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:45:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:45:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:45:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:45:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:45:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:45:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:45:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 19:45:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 19:45:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 19:45:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-18 19:45:09,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:09,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206417604] [2022-11-18 19:45:09,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206417604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:09,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:09,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:45:09,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851020253] [2022-11-18 19:45:09,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:09,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:45:09,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:09,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:45:09,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:45:09,869 INFO L87 Difference]: Start difference. First operand 8018 states and 11719 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:45:12,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:14,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:16,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:57,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:59,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:18,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:23,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:25,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:11,600 INFO L93 Difference]: Finished difference Result 25852 states and 38250 transitions. [2022-11-18 19:47:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:47:11,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 150 [2022-11-18 19:47:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:11,712 INFO L225 Difference]: With dead ends: 25852 [2022-11-18 19:47:11,712 INFO L226 Difference]: Without dead ends: 17834 [2022-11-18 19:47:11,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:47:11,755 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 11172 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 20870 mSolverCounterSat, 6346 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 113.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11894 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 27224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6346 IncrementalHoareTripleChecker+Valid, 20870 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:11,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11894 Valid, 1917 Invalid, 27224 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6346 Valid, 20870 Invalid, 8 Unknown, 0 Unchecked, 119.8s Time] [2022-11-18 19:47:11,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17834 states. [2022-11-18 19:47:12,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17834 to 16271. [2022-11-18 19:47:12,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16271 states, 11662 states have (on average 1.3472817698507975) internal successors, (15712), 11877 states have internal predecessors, (15712), 3814 states have call successors, (3814), 718 states have call predecessors, (3814), 794 states have return successors, (4390), 3851 states have call predecessors, (4390), 3812 states have call successors, (4390) [2022-11-18 19:47:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16271 states to 16271 states and 23916 transitions. [2022-11-18 19:47:12,778 INFO L78 Accepts]: Start accepts. Automaton has 16271 states and 23916 transitions. Word has length 150 [2022-11-18 19:47:12,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:12,779 INFO L495 AbstractCegarLoop]: Abstraction has 16271 states and 23916 transitions. [2022-11-18 19:47:12,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:47:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16271 states and 23916 transitions. [2022-11-18 19:47:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-18 19:47:12,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:12,790 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:12,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:47:12,791 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:12,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:12,791 INFO L85 PathProgramCache]: Analyzing trace with hash -966827490, now seen corresponding path program 1 times [2022-11-18 19:47:12,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:12,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112200973] [2022-11-18 19:47:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:12,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:47:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:47:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:47:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:47:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:47:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:47:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:47:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:47:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 19:47:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:47:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 19:47:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-18 19:47:14,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:14,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112200973] [2022-11-18 19:47:14,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112200973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:14,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:14,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:47:14,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109337199] [2022-11-18 19:47:14,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:14,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:47:14,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:14,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:47:14,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:47:14,514 INFO L87 Difference]: Start difference. First operand 16271 states and 23916 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:47:16,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:38,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []