./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-32_7a-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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/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_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/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_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/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 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a --- 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 19:31:36,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:31:36,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:31:36,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:31:36,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:31:36,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:31:36,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:31:36,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:31:36,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:31:36,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:31:36,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:31:36,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:31:36,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:31:36,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:31:36,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:31:36,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:31:36,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:31:36,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:31:36,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:31:36,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:31:36,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:31:36,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:31:36,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:31:36,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:31:36,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:31:36,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:31:36,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:31:36,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:31:36,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:31:36,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:31:36,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:31:36,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:31:36,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:31:36,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:31:36,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:31:36,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:31:36,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:31:36,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:31:36,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:31:36,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:31:36,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:31:36,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:31:36,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:31:36,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:31:36,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:31:36,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:31:36,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:31:36,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:31:36,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:31:36,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:31:36,255 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:31:36,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:31:36,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:31:36,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:31:36,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:31:36,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:31:36,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:31:36,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:31:36,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:31:36,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:31:36,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:31:36,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:31:36,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:31:36,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:31:36,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:31:36,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:31:36,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:31:36,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:31:36,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:31:36,260 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:31:36,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:31:36,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:31:36,261 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_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a [2022-11-18 19:31:36,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:31:36,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:31:36,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:31:36,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:31:36,622 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:31:36,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-18 19:31:36,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/data/db6716860/79c1a33b653f4ac5b557c6fceef01f3d/FLAG739e94ad8 [2022-11-18 19:31:37,878 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:31:37,879 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-18 19:31:37,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/data/db6716860/79c1a33b653f4ac5b557c6fceef01f3d/FLAG739e94ad8 [2022-11-18 19:31:38,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/data/db6716860/79c1a33b653f4ac5b557c6fceef01f3d [2022-11-18 19:31:38,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:31:38,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:31:38,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:38,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:31:38,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:31:38,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:38" (1/1) ... [2022-11-18 19:31:38,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f3a52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:38, skipping insertion in model container [2022-11-18 19:31:38,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:31:38" (1/1) ... [2022-11-18 19:31:38,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:31:38,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:31:43,981 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_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[516583,516596] [2022-11-18 19:31:44,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:44,712 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:31:45,494 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_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[516583,516596] [2022-11-18 19:31:45,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:31:45,779 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:31:45,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45 WrapperNode [2022-11-18 19:31:45,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:31:45,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:45,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:31:45,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:31:45,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,419 INFO L138 Inliner]: procedures = 781, calls = 6080, calls flagged for inlining = 295, calls inlined = 255, statements flattened = 11797 [2022-11-18 19:31:46,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:31:46,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:31:46,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:31:46,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:31:46,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:46,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:47,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:47,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:31:47,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:31:47,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:31:47,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:31:47,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (1/1) ... [2022-11-18 19:31:47,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:31:47,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:31:47,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:31:47,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eafa6e40-d5c9-4ac0-9a6c-1fbb89e42425/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:31:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2022-11-18 19:31:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2022-11-18 19:31:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 19:31:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-18 19:31:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-18 19:31:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2022-11-18 19:31:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2022-11-18 19:31:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-18 19:31:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-18 19:31:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ring_read_lock [2022-11-18 19:31:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ring_read_lock [2022-11-18 19:31:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 19:31:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 19:31:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 19:31:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 19:31:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2022-11-18 19:31:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2022-11-18 19:31:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2022-11-18 19:31:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2022-11-18 19:31:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2022-11-18 19:31:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2022-11-18 19:31:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:31:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:31:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2022-11-18 19:31:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2022-11-18 19:31:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2022-11-18 19:31:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2022-11-18 19:31:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2022-11-18 19:31:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2022-11-18 19:31:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2022-11-18 19:31:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2022-11-18 19:31:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 19:31:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 19:31:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-18 19:31:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-18 19:31:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-18 19:31:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-18 19:31:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-18 19:31:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:31:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:31:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2022-11-18 19:31:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2022-11-18 19:31:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 19:31:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 19:31:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2022-11-18 19:31:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2022-11-18 19:31:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2022-11-18 19:31:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2022-11-18 19:31:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 19:31:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 19:31:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2022-11-18 19:31:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2022-11-18 19:31:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-18 19:31:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-18 19:31:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:31:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2022-11-18 19:31:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2022-11-18 19:31:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2022-11-18 19:31:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2022-11-18 19:31:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 19:31:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 19:31:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-18 19:31:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-18 19:31:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-18 19:31:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-18 19:31:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2022-11-18 19:31:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2022-11-18 19:31:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 19:31:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 19:31:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:31:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2022-11-18 19:31:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2022-11-18 19:31:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 19:31:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 19:31:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:31:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 19:31:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 19:31:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:31:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2022-11-18 19:31:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2022-11-18 19:31:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2022-11-18 19:31:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2022-11-18 19:31:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 19:31:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 19:31:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:31:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:31:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 19:31:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 19:31:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2022-11-18 19:31:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2022-11-18 19:31:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 19:31:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 19:31:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:31:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2022-11-18 19:31:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2022-11-18 19:31:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2022-11-18 19:31:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2022-11-18 19:31:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 19:31:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 19:31:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-18 19:31:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-18 19:31:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:31:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:31:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-18 19:31:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-18 19:31:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2022-11-18 19:31:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2022-11-18 19:31:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2022-11-18 19:31:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2022-11-18 19:31:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:31:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:31:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 19:31:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 19:31:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2022-11-18 19:31:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2022-11-18 19:31:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-18 19:31:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-18 19:31:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-11-18 19:31:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-11-18 19:31:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:31:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:31:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:31:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:31:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-18 19:31:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-18 19:31:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2022-11-18 19:31:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2022-11-18 19:31:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2022-11-18 19:31:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2022-11-18 19:31:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2022-11-18 19:31:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2022-11-18 19:31:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2022-11-18 19:31:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2022-11-18 19:31:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_service_lock [2022-11-18 19:31:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_service_lock [2022-11-18 19:31:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-18 19:31:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-18 19:31:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:31:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:31:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 19:31:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 19:31:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-18 19:31:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-18 19:31:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2022-11-18 19:31:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2022-11-18 19:31:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2022-11-18 19:31:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2022-11-18 19:31:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2022-11-18 19:31:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2022-11-18 19:31:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-18 19:31:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-18 19:31:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-18 19:31:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-18 19:31:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2022-11-18 19:31:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2022-11-18 19:31:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 19:31:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 19:31:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:31:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2022-11-18 19:31:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2022-11-18 19:31:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:31:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:31:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2022-11-18 19:31:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2022-11-18 19:31:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_service_lock [2022-11-18 19:31:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_service_lock [2022-11-18 19:31:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2022-11-18 19:31:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2022-11-18 19:31:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-18 19:31:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-18 19:31:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2022-11-18 19:31:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2022-11-18 19:31:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 19:31:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 19:31:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2022-11-18 19:31:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2022-11-18 19:31:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2022-11-18 19:31:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2022-11-18 19:31:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-18 19:31:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-18 19:31:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-18 19:31:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-18 19:31:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-18 19:31:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-18 19:31:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2022-11-18 19:31:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2022-11-18 19:31:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2022-11-18 19:31:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2022-11-18 19:31:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2022-11-18 19:31:47,275 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2022-11-18 19:31:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-18 19:31:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-18 19:31:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2022-11-18 19:31:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2022-11-18 19:31:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2022-11-18 19:31:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2022-11-18 19:31:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2022-11-18 19:31:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2022-11-18 19:31:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adf_ctl_lock [2022-11-18 19:31:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adf_ctl_lock [2022-11-18 19:31:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bank_read_lock [2022-11-18 19:31:47,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bank_read_lock [2022-11-18 19:31:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 19:31:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 19:31:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 19:31:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 19:31:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2022-11-18 19:31:47,278 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2022-11-18 19:31:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:31:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:31:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2022-11-18 19:31:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2022-11-18 19:31:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-18 19:31:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-18 19:31:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:31:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:31:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2022-11-18 19:31:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2022-11-18 19:31:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2022-11-18 19:31:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2022-11-18 19:31:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 19:31:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 19:31:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2022-11-18 19:31:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2022-11-18 19:31:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2022-11-18 19:31:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2022-11-18 19:31:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2022-11-18 19:31:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2022-11-18 19:31:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:31:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2022-11-18 19:31:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2022-11-18 19:31:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-18 19:31:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-18 19:31:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 19:31:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 19:31:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 19:31:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 19:31:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2022-11-18 19:31:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2022-11-18 19:31:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_qat_cfg_read_lock [2022-11-18 19:31:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_qat_cfg_read_lock [2022-11-18 19:31:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2022-11-18 19:31:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2022-11-18 19:31:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:31:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:31:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:31:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 19:31:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 19:31:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:31:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 19:31:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 19:31:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2022-11-18 19:31:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2022-11-18 19:31:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:31:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:31:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2022-11-18 19:31:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2022-11-18 19:31:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-18 19:31:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-18 19:31:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 19:31:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 19:31:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2022-11-18 19:31:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2022-11-18 19:31:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2022-11-18 19:31:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2022-11-18 19:31:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-18 19:31:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-18 19:31:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-18 19:31:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-18 19:31:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2022-11-18 19:31:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2022-11-18 19:31:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2022-11-18 19:31:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2022-11-18 19:31:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2022-11-18 19:31:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2022-11-18 19:31:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2022-11-18 19:31:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2022-11-18 19:31:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2022-11-18 19:31:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2022-11-18 19:31:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2022-11-18 19:31:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2022-11-18 19:31:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:31:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:31:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:31:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:31:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2022-11-18 19:31:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2022-11-18 19:31:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2022-11-18 19:31:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2022-11-18 19:31:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2022-11-18 19:31:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2022-11-18 19:31:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-18 19:31:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-18 19:31:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2022-11-18 19:31:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2022-11-18 19:31:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2022-11-18 19:31:47,298 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2022-11-18 19:31:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2022-11-18 19:31:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2022-11-18 19:31:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 19:31:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 19:31:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-18 19:31:47,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-18 19:31:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:31:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ring_read_lock [2022-11-18 19:31:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ring_read_lock [2022-11-18 19:31:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:31:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:31:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2022-11-18 19:31:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2022-11-18 19:31:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2022-11-18 19:31:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2022-11-18 19:31:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-18 19:31:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-18 19:31:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2022-11-18 19:31:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2022-11-18 19:31:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-18 19:31:47,301 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-18 19:31:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2022-11-18 19:31:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2022-11-18 19:31:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2022-11-18 19:31:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2022-11-18 19:31:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2022-11-18 19:31:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2022-11-18 19:31:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2022-11-18 19:31:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2022-11-18 19:31:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 19:31:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 19:31:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2022-11-18 19:31:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2022-11-18 19:31:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 19:31:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 19:31:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:31:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:31:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2022-11-18 19:31:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2022-11-18 19:31:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2022-11-18 19:31:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2022-11-18 19:31:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2022-11-18 19:31:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2022-11-18 19:31:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-18 19:31:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-18 19:31:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2022-11-18 19:31:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2022-11-18 19:31:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2022-11-18 19:31:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2022-11-18 19:31:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-18 19:31:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-18 19:31:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:31:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2022-11-18 19:31:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2022-11-18 19:31:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2022-11-18 19:31:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2022-11-18 19:31:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2022-11-18 19:31:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2022-11-18 19:31:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2022-11-18 19:31:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2022-11-18 19:31:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:31:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:31:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2022-11-18 19:31:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2022-11-18 19:31:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-18 19:31:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-18 19:31:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2022-11-18 19:31:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2022-11-18 19:31:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-18 19:31:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-18 19:31:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-11-18 19:31:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-11-18 19:31:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2022-11-18 19:31:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2022-11-18 19:31:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-18 19:31:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-18 19:31:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2022-11-18 19:31:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2022-11-18 19:31:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2022-11-18 19:31:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2022-11-18 19:31:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 19:31:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 19:31:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 19:31:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 19:31:47,311 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2022-11-18 19:31:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2022-11-18 19:31:47,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bank_read_lock [2022-11-18 19:31:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bank_read_lock [2022-11-18 19:31:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-18 19:31:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-18 19:31:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-11-18 19:31:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-11-18 19:31:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-11-18 19:31:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-11-18 19:31:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_qat_cfg_read_lock [2022-11-18 19:31:47,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_qat_cfg_read_lock [2022-11-18 19:31:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2022-11-18 19:31:47,314 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2022-11-18 19:31:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-18 19:31:47,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-18 19:31:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-18 19:31:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-18 19:31:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:31:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:31:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2022-11-18 19:31:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2022-11-18 19:31:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2022-11-18 19:31:47,315 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2022-11-18 19:31:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:31:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 19:31:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-11-18 19:31:47,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-11-18 19:31:49,112 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:31:49,116 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:31:49,288 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:41:43,697 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:41:43,728 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:41:43,728 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:41:43,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:41:43 BoogieIcfgContainer [2022-11-18 19:41:43,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:41:43,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:41:43,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:41:43,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:41:43,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:31:38" (1/3) ... [2022-11-18 19:41:43,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45999f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:41:43, skipping insertion in model container [2022-11-18 19:41:43,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:31:45" (2/3) ... [2022-11-18 19:41:43,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45999f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:41:43, skipping insertion in model container [2022-11-18 19:41:43,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:41:43" (3/3) ... [2022-11-18 19:41:43,744 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2022-11-18 19:41:43,766 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:41:43,766 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:41:43,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:41:43,928 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;@3116e6ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:41:43,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:41:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 3869 states, 2726 states have (on average 1.3488628026412326) internal successors, (3677), 2801 states have internal predecessors, (3677), 947 states have call successors, (947), 195 states have call predecessors, (947), 194 states have return successors, (937), 932 states have call predecessors, (937), 937 states have call successors, (937) [2022-11-18 19:41:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-18 19:41:43,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:43,962 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] [2022-11-18 19:41:43,962 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:41:43,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:43,967 INFO L85 PathProgramCache]: Analyzing trace with hash -381846768, now seen corresponding path program 1 times [2022-11-18 19:41:43,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:43,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640626404] [2022-11-18 19:41:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:41:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:41:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:41:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:41:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:41:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:41:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:41:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:41:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:46,108 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 19:41:46,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:46,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640626404] [2022-11-18 19:41:46,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640626404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:46,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:46,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:41:46,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237295021] [2022-11-18 19:41:46,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:46,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:41:46,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:46,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:41:46,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:41:46,176 INFO L87 Difference]: Start difference. First operand has 3869 states, 2726 states have (on average 1.3488628026412326) internal successors, (3677), 2801 states have internal predecessors, (3677), 947 states have call successors, (947), 195 states have call predecessors, (947), 194 states have return successors, (937), 932 states have call predecessors, (937), 937 states have call successors, (937) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:41:48,382 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 19:42:08,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:42:10,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:42:20,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:42:22,113 WARN L539 Checker$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 19:42:38,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:38,987 INFO L93 Difference]: Finished difference Result 13109 states and 19811 transitions. [2022-11-18 19:42:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:42:38,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2022-11-18 19:42:38,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:39,079 INFO L225 Difference]: With dead ends: 13109 [2022-11-18 19:42:39,080 INFO L226 Difference]: Without dead ends: 9215 [2022-11-18 19:42:39,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:42:39,127 INFO L413 NwaCegarLoop]: 5129 mSDtfsCounter, 9050 mSDsluCounter, 6234 mSDsCounter, 0 mSdLazyCounter, 5746 mSolverCounterSat, 3341 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9855 SdHoareTripleChecker+Valid, 11363 SdHoareTripleChecker+Invalid, 9092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3341 IncrementalHoareTripleChecker+Valid, 5746 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:39,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9855 Valid, 11363 Invalid, 9092 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3341 Valid, 5746 Invalid, 5 Unknown, 0 Unchecked, 51.3s Time] [2022-11-18 19:42:39,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9215 states. [2022-11-18 19:42:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9215 to 8001. [2022-11-18 19:42:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8001 states, 5692 states have (on average 1.3411806043569923) internal successors, (7634), 5806 states have internal predecessors, (7634), 1907 states have call successors, (1907), 380 states have call predecessors, (1907), 401 states have return successors, (2005), 1891 states have call predecessors, (2005), 1886 states have call successors, (2005) [2022-11-18 19:42:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8001 states to 8001 states and 11546 transitions. [2022-11-18 19:42:39,760 INFO L78 Accepts]: Start accepts. Automaton has 8001 states and 11546 transitions. Word has length 59 [2022-11-18 19:42:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:39,761 INFO L495 AbstractCegarLoop]: Abstraction has 8001 states and 11546 transitions. [2022-11-18 19:42:39,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:42:39,762 INFO L276 IsEmpty]: Start isEmpty. Operand 8001 states and 11546 transitions. [2022-11-18 19:42:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-18 19:42:39,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:39,772 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] [2022-11-18 19:42:39,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:42:39,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:42:39,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:39,773 INFO L85 PathProgramCache]: Analyzing trace with hash 381360182, now seen corresponding path program 1 times [2022-11-18 19:42:39,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:39,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861969576] [2022-11-18 19:42:39,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:39,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:42:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:42:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:42:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:42:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:42:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:42:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:42:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:42:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:41,440 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 19:42:41,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:41,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861969576] [2022-11-18 19:42:41,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861969576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:41,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:41,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:42:41,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971142071] [2022-11-18 19:42:41,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:41,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:42:41,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:41,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:42:41,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:42:41,445 INFO L87 Difference]: Start difference. First operand 8001 states and 11546 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:42:43,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:42:57,298 WARN L539 Checker$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 19:42:59,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:05,445 WARN L539 Checker$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 19:43:07,465 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 19:43:14,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:14,670 INFO L93 Difference]: Finished difference Result 17161 states and 25002 transitions. [2022-11-18 19:43:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:43:14,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2022-11-18 19:43:14,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:14,761 INFO L225 Difference]: With dead ends: 17161 [2022-11-18 19:43:14,762 INFO L226 Difference]: Without dead ends: 9172 [2022-11-18 19:43:14,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:43:14,830 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 7090 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 2300 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7579 SdHoareTripleChecker+Valid, 6462 SdHoareTripleChecker+Invalid, 5217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2300 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:14,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7579 Valid, 6462 Invalid, 5217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2300 Valid, 2912 Invalid, 5 Unknown, 0 Unchecked, 32.3s Time] [2022-11-18 19:43:14,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9172 states. [2022-11-18 19:43:15,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9172 to 7530. [2022-11-18 19:43:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7530 states, 5328 states have (on average 1.3352102102102101) internal successors, (7114), 5434 states have internal predecessors, (7114), 1810 states have call successors, (1810), 387 states have call predecessors, (1810), 391 states have return successors, (1806), 1779 states have call predecessors, (1806), 1790 states have call successors, (1806) [2022-11-18 19:43:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7530 states to 7530 states and 10730 transitions. [2022-11-18 19:43:15,619 INFO L78 Accepts]: Start accepts. Automaton has 7530 states and 10730 transitions. Word has length 61 [2022-11-18 19:43:15,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:15,620 INFO L495 AbstractCegarLoop]: Abstraction has 7530 states and 10730 transitions. [2022-11-18 19:43:15,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:43:15,622 INFO L276 IsEmpty]: Start isEmpty. Operand 7530 states and 10730 transitions. [2022-11-18 19:43:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-18 19:43:15,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:15,628 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] [2022-11-18 19:43:15,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:43:15,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:15,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:15,630 INFO L85 PathProgramCache]: Analyzing trace with hash -924098316, now seen corresponding path program 1 times [2022-11-18 19:43:15,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:15,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558220065] [2022-11-18 19:43:15,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:15,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:43:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:43:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:43:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:17,027 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 19:43:17,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:17,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558220065] [2022-11-18 19:43:17,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558220065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:17,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:17,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:43:17,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177612817] [2022-11-18 19:43:17,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:17,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:43:17,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:17,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:43:17,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:43:17,031 INFO L87 Difference]: Start difference. First operand 7530 states and 10730 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:43:19,216 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 19:43:40,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:42,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:50,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:52,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:05,645 INFO L93 Difference]: Finished difference Result 24852 states and 36142 transitions. [2022-11-18 19:44:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:44:05,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2022-11-18 19:44:05,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:05,774 INFO L225 Difference]: With dead ends: 24852 [2022-11-18 19:44:05,774 INFO L226 Difference]: Without dead ends: 17334 [2022-11-18 19:44:05,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:44:05,818 INFO L413 NwaCegarLoop]: 5026 mSDtfsCounter, 8322 mSDsluCounter, 6120 mSDsCounter, 0 mSdLazyCounter, 5568 mSolverCounterSat, 3067 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9073 SdHoareTripleChecker+Valid, 11146 SdHoareTripleChecker+Invalid, 8640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3067 IncrementalHoareTripleChecker+Valid, 5568 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:05,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9073 Valid, 11146 Invalid, 8640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3067 Valid, 5568 Invalid, 5 Unknown, 0 Unchecked, 47.3s Time] [2022-11-18 19:44:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17334 states. [2022-11-18 19:44:06,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17334 to 14259. [2022-11-18 19:44:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14259 states, 10111 states have (on average 1.3353773118385917) internal successors, (13502), 10296 states have internal predecessors, (13502), 3405 states have call successors, (3405), 737 states have call predecessors, (3405), 742 states have return successors, (3417), 3358 states have call predecessors, (3417), 3385 states have call successors, (3417) [2022-11-18 19:44:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14259 states to 14259 states and 20324 transitions. [2022-11-18 19:44:06,890 INFO L78 Accepts]: Start accepts. Automaton has 14259 states and 20324 transitions. Word has length 61 [2022-11-18 19:44:06,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:06,890 INFO L495 AbstractCegarLoop]: Abstraction has 14259 states and 20324 transitions. [2022-11-18 19:44:06,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:44:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand 14259 states and 20324 transitions. [2022-11-18 19:44:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-18 19:44:06,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:06,894 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:06,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:44:06,895 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:06,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:06,895 INFO L85 PathProgramCache]: Analyzing trace with hash 603322466, now seen corresponding path program 1 times [2022-11-18 19:44:06,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:06,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958280026] [2022-11-18 19:44:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:06,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:44:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:44:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:44:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-18 19:44:08,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:08,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958280026] [2022-11-18 19:44:08,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958280026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:08,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:08,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:44:08,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662514333] [2022-11-18 19:44:08,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:08,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:44:08,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:08,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:44:08,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:44:08,127 INFO L87 Difference]: Start difference. First operand 14259 states and 20324 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:44:10,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:33,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:35,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:43,584 WARN L539 Checker$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 19:44:45,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:50,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:00,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:00,347 INFO L93 Difference]: Finished difference Result 48186 states and 70131 transitions. [2022-11-18 19:45:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:45:00,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2022-11-18 19:45:00,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:00,568 INFO L225 Difference]: With dead ends: 48186 [2022-11-18 19:45:00,568 INFO L226 Difference]: Without dead ends: 33939 [2022-11-18 19:45:00,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 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 19:45:00,651 INFO L413 NwaCegarLoop]: 5443 mSDtfsCounter, 8693 mSDsluCounter, 6188 mSDsCounter, 0 mSdLazyCounter, 5816 mSolverCounterSat, 3159 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9486 SdHoareTripleChecker+Valid, 11631 SdHoareTripleChecker+Invalid, 8980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3159 IncrementalHoareTripleChecker+Valid, 5816 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:00,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9486 Valid, 11631 Invalid, 8980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3159 Valid, 5816 Invalid, 5 Unknown, 0 Unchecked, 49.9s Time] [2022-11-18 19:45:00,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33939 states. [2022-11-18 19:45:02,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33939 to 27849. [2022-11-18 19:45:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27849 states, 19755 states have (on average 1.3348519362186788) internal successors, (26370), 20104 states have internal predecessors, (26370), 6649 states have call successors, (6649), 1435 states have call predecessors, (6649), 1444 states have return successors, (6693), 6574 states have call predecessors, (6693), 6629 states have call successors, (6693) [2022-11-18 19:45:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27849 states to 27849 states and 39712 transitions. [2022-11-18 19:45:03,179 INFO L78 Accepts]: Start accepts. Automaton has 27849 states and 39712 transitions. Word has length 73 [2022-11-18 19:45:03,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:03,180 INFO L495 AbstractCegarLoop]: Abstraction has 27849 states and 39712 transitions. [2022-11-18 19:45:03,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:45:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 27849 states and 39712 transitions. [2022-11-18 19:45:03,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 19:45:03,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:03,184 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] [2022-11-18 19:45:03,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:45:03,185 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:45:03,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:03,185 INFO L85 PathProgramCache]: Analyzing trace with hash -455441316, now seen corresponding path program 1 times [2022-11-18 19:45:03,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:03,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694061285] [2022-11-18 19:45:03,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:03,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:45:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:45:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:45:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:45:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:04,807 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 19:45:04,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:04,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694061285] [2022-11-18 19:45:04,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694061285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:04,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:04,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:45:04,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837626849] [2022-11-18 19:45:04,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:04,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:45:04,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:04,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:45:04,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:45:04,814 INFO L87 Difference]: Start difference. First operand 27849 states and 39712 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:45:07,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:20,147 WARN L539 Checker$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 19:45:22,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:29,138 WARN L539 Checker$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 19:45:31,159 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 19:45:39,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:39,330 INFO L93 Difference]: Finished difference Result 61262 states and 88762 transitions. [2022-11-18 19:45:39,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:45:39,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2022-11-18 19:45:39,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:39,574 INFO L225 Difference]: With dead ends: 61262 [2022-11-18 19:45:39,575 INFO L226 Difference]: Without dead ends: 33425 [2022-11-18 19:45:39,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 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 19:45:39,730 INFO L413 NwaCegarLoop]: 4289 mSDtfsCounter, 7008 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 2280 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7493 SdHoareTripleChecker+Valid, 6345 SdHoareTripleChecker+Invalid, 5143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2280 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:39,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7493 Valid, 6345 Invalid, 5143 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2280 Valid, 2858 Invalid, 5 Unknown, 0 Unchecked, 31.9s Time] [2022-11-18 19:45:39,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33425 states. [2022-11-18 19:45:42,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33425 to 27368. [2022-11-18 19:45:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27368 states, 19387 states have (on average 1.3321297776860783) internal successors, (25826), 19735 states have internal predecessors, (25826), 6560 states have call successors, (6560), 1411 states have call predecessors, (6560), 1420 states have return successors, (6605), 6486 states have call predecessors, (6605), 6541 states have call successors, (6605) [2022-11-18 19:45:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27368 states to 27368 states and 38991 transitions. [2022-11-18 19:45:42,343 INFO L78 Accepts]: Start accepts. Automaton has 27368 states and 38991 transitions. Word has length 67 [2022-11-18 19:45:42,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:42,344 INFO L495 AbstractCegarLoop]: Abstraction has 27368 states and 38991 transitions. [2022-11-18 19:45:42,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:45:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 27368 states and 38991 transitions. [2022-11-18 19:45:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 19:45:42,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:42,346 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 19:45:42,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:45:42,347 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:45:42,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:42,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1438037723, now seen corresponding path program 1 times [2022-11-18 19:45:42,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:42,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328864387] [2022-11-18 19:45:42,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:42,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:45:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:45:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:45:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:45:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:45:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 19:45:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:44,126 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 19:45:44,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:44,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328864387] [2022-11-18 19:45:44,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328864387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:45:44,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:45:44,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:45:44,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421190851] [2022-11-18 19:45:44,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:45:44,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:45:44,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:44,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:45:44,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:45:44,129 INFO L87 Difference]: Start difference. First operand 27368 states and 38991 transitions. 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 19:45:46,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []