./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/config/TaipanReach.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_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:33:58,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:33:58,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:33:58,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:33:58,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:33:58,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:33:58,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:33:58,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:33:58,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:33:58,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:33:58,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:33:58,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:33:58,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:33:58,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:33:58,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:33:58,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:33:58,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:33:58,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:33:58,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:33:58,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:33:58,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:33:58,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:33:58,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:33:58,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:33:58,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:33:58,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:33:58,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:33:58,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:33:58,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:33:58,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:33:58,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:33:58,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:33:58,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:33:58,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:33:58,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:33:58,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:33:58,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:33:58,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:33:58,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:33:58,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:33:58,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:33:58,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:33:58,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:33:58,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:33:58,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:33:58,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:33:58,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:33:58,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:33:58,301 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:33:58,301 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:33:58,301 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:33:58,302 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:33:58,303 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:33:58,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:33:58,303 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:33:58,303 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:33:58,304 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:33:58,304 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:33:58,304 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:33:58,304 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:33:58,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:33:58,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:33:58,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:33:58,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:33:58,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:33:58,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:33:58,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:33:58,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:33:58,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:33:58,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:33:58,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:33:58,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:33:58,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:33:58,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:33:58,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:33:58,309 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:33:58,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:33:58,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:33:58,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:33:58,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:33:58,311 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a [2021-11-23 02:33:58,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:33:58,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:33:58,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:33:58,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:33:58,639 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:33:58,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/../../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 [2021-11-23 02:33:58,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/data/f02bfe3ca/f8f9770d1b6b432785e2fdae98c9e323/FLAG8938913db [2021-11-23 02:33:59,900 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:33:59,901 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/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 [2021-11-23 02:33:59,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/data/f02bfe3ca/f8f9770d1b6b432785e2fdae98c9e323/FLAG8938913db [2021-11-23 02:34:00,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/data/f02bfe3ca/f8f9770d1b6b432785e2fdae98c9e323 [2021-11-23 02:34:00,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:34:00,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:34:00,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:34:00,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:34:00,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:34:00,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:00" (1/1) ... [2021-11-23 02:34:00,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701cc2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:00, skipping insertion in model container [2021-11-23 02:34:00,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:00" (1/1) ... [2021-11-23 02:34:00,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:34:00,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:34:06,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/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] [2021-11-23 02:34:06,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:06,797 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:34:07,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/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] [2021-11-23 02:34:07,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:07,903 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:34:07,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07 WrapperNode [2021-11-23 02:34:07,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:34:07,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:34:07,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:34:07,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:34:07,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:08,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:08,544 INFO L137 Inliner]: procedures = 781, calls = 6072, calls flagged for inlining = 295, calls inlined = 255, statements flattened = 11643 [2021-11-23 02:34:08,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:34:08,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:34:08,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:34:08,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:34:08,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:08,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:08,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:08,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:08,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:08,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:09,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:09,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:34:09,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:34:09,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:34:09,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:34:09,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (1/1) ... [2021-11-23 02:34:09,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:34:09,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:34:09,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:34:09,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed46994-54e3-4979-ac93-ff20b207be30/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:34:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2021-11-23 02:34:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2021-11-23 02:34:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 02:34:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-23 02:34:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-23 02:34:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2021-11-23 02:34:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2021-11-23 02:34:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-23 02:34:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-23 02:34:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ring_read_lock [2021-11-23 02:34:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ring_read_lock [2021-11-23 02:34:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:34:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:34:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:34:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:34:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2021-11-23 02:34:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2021-11-23 02:34:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2021-11-23 02:34:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2021-11-23 02:34:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2021-11-23 02:34:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2021-11-23 02:34:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 02:34:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 02:34:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2021-11-23 02:34:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2021-11-23 02:34:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2021-11-23 02:34:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2021-11-23 02:34:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2021-11-23 02:34:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2021-11-23 02:34:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2021-11-23 02:34:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2021-11-23 02:34:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:34:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:34:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 02:34:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-23 02:34:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-23 02:34:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-23 02:34:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-23 02:34:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:34:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:34:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2021-11-23 02:34:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2021-11-23 02:34:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 02:34:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 02:34:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2021-11-23 02:34:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2021-11-23 02:34:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2021-11-23 02:34:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2021-11-23 02:34:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:34:09,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:34:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2021-11-23 02:34:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2021-11-23 02:34:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2021-11-23 02:34:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2021-11-23 02:34:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:34:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2021-11-23 02:34:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2021-11-23 02:34:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2021-11-23 02:34:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2021-11-23 02:34:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 02:34:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 02:34:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-11-23 02:34:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-11-23 02:34:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-23 02:34:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-23 02:34:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2021-11-23 02:34:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2021-11-23 02:34:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 02:34:09,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 02:34:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:34:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2021-11-23 02:34:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2021-11-23 02:34:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 02:34:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 02:34:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:34:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:34:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:34:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:34:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2021-11-23 02:34:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2021-11-23 02:34:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2021-11-23 02:34:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2021-11-23 02:34:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:34:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:34:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:34:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:34:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 02:34:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 02:34:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2021-11-23 02:34:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2021-11-23 02:34:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:34:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:34:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:34:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2021-11-23 02:34:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2021-11-23 02:34:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2021-11-23 02:34:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2021-11-23 02:34:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 02:34:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 02:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-23 02:34:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-23 02:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:34:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:34:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-11-23 02:34:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-11-23 02:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2021-11-23 02:34:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2021-11-23 02:34:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2021-11-23 02:34:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2021-11-23 02:34:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:34:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:34:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 02:34:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 02:34:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2021-11-23 02:34:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2021-11-23 02:34:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 02:34:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 02:34:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-11-23 02:34:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-11-23 02:34:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:34:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:34:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:34:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:34:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-11-23 02:34:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-11-23 02:34:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2021-11-23 02:34:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2021-11-23 02:34:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2021-11-23 02:34:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2021-11-23 02:34:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2021-11-23 02:34:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2021-11-23 02:34:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2021-11-23 02:34:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2021-11-23 02:34:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_service_lock [2021-11-23 02:34:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_service_lock [2021-11-23 02:34:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-23 02:34:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-23 02:34:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:34:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:34:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 02:34:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 02:34:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 02:34:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 02:34:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2021-11-23 02:34:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2021-11-23 02:34:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2021-11-23 02:34:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2021-11-23 02:34:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2021-11-23 02:34:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2021-11-23 02:34:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-23 02:34:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-23 02:34:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 02:34:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 02:34:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2021-11-23 02:34:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2021-11-23 02:34:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:34:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:34:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:34:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2021-11-23 02:34:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2021-11-23 02:34:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:34:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:34:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2021-11-23 02:34:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2021-11-23 02:34:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_service_lock [2021-11-23 02:34:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_service_lock [2021-11-23 02:34:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2021-11-23 02:34:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2021-11-23 02:34:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2021-11-23 02:34:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2021-11-23 02:34:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2021-11-23 02:34:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2021-11-23 02:34:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:34:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:34:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2021-11-23 02:34:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2021-11-23 02:34:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2021-11-23 02:34:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2021-11-23 02:34:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2021-11-23 02:34:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2021-11-23 02:34:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-11-23 02:34:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-11-23 02:34:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-11-23 02:34:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-11-23 02:34:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2021-11-23 02:34:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2021-11-23 02:34:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2021-11-23 02:34:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2021-11-23 02:34:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2021-11-23 02:34:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2021-11-23 02:34:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 02:34:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 02:34:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2021-11-23 02:34:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2021-11-23 02:34:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2021-11-23 02:34:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2021-11-23 02:34:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2021-11-23 02:34:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2021-11-23 02:34:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adf_ctl_lock [2021-11-23 02:34:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adf_ctl_lock [2021-11-23 02:34:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bank_read_lock [2021-11-23 02:34:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bank_read_lock [2021-11-23 02:34:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:34:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:34:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:34:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:34:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2021-11-23 02:34:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2021-11-23 02:34:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:34:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:34:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2021-11-23 02:34:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2021-11-23 02:34:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-23 02:34:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-23 02:34:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:34:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:34:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2021-11-23 02:34:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2021-11-23 02:34:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2021-11-23 02:34:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2021-11-23 02:34:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:34:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:34:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2021-11-23 02:34:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2021-11-23 02:34:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2021-11-23 02:34:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2021-11-23 02:34:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2021-11-23 02:34:09,499 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2021-11-23 02:34:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:34:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2021-11-23 02:34:09,499 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2021-11-23 02:34:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-23 02:34:09,500 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-23 02:34:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 02:34:09,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 02:34:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:34:09,500 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:34:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2021-11-23 02:34:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2021-11-23 02:34:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_qat_cfg_read_lock [2021-11-23 02:34:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_qat_cfg_read_lock [2021-11-23 02:34:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2021-11-23 02:34:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2021-11-23 02:34:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:34:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:34:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:34:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:34:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 02:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:34:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:34:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:34:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2021-11-23 02:34:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2021-11-23 02:34:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:34:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:34:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2021-11-23 02:34:09,508 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2021-11-23 02:34:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-11-23 02:34:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-11-23 02:34:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:34:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:34:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2021-11-23 02:34:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2021-11-23 02:34:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2021-11-23 02:34:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2021-11-23 02:34:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 02:34:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 02:34:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-23 02:34:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-23 02:34:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2021-11-23 02:34:09,510 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2021-11-23 02:34:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2021-11-23 02:34:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2021-11-23 02:34:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2021-11-23 02:34:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2021-11-23 02:34:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2021-11-23 02:34:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2021-11-23 02:34:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2021-11-23 02:34:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2021-11-23 02:34:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2021-11-23 02:34:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2021-11-23 02:34:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:34:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:34:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:34:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:34:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2021-11-23 02:34:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2021-11-23 02:34:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2021-11-23 02:34:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2021-11-23 02:34:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2021-11-23 02:34:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2021-11-23 02:34:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-23 02:34:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-23 02:34:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2021-11-23 02:34:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2021-11-23 02:34:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2021-11-23 02:34:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2021-11-23 02:34:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2021-11-23 02:34:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2021-11-23 02:34:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 02:34:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 02:34:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-11-23 02:34:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-11-23 02:34:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:34:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ring_read_lock [2021-11-23 02:34:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ring_read_lock [2021-11-23 02:34:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:34:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:34:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2021-11-23 02:34:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2021-11-23 02:34:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2021-11-23 02:34:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2021-11-23 02:34:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2021-11-23 02:34:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2021-11-23 02:34:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2021-11-23 02:34:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2021-11-23 02:34:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-23 02:34:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-23 02:34:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2021-11-23 02:34:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2021-11-23 02:34:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2021-11-23 02:34:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2021-11-23 02:34:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2021-11-23 02:34:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2021-11-23 02:34:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2021-11-23 02:34:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2021-11-23 02:34:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:34:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:34:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2021-11-23 02:34:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2021-11-23 02:34:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-23 02:34:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-23 02:34:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:34:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:34:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2021-11-23 02:34:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2021-11-23 02:34:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2021-11-23 02:34:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2021-11-23 02:34:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2021-11-23 02:34:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2021-11-23 02:34:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-23 02:34:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-23 02:34:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2021-11-23 02:34:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2021-11-23 02:34:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2021-11-23 02:34:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2021-11-23 02:34:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-23 02:34:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-23 02:34:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:34:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2021-11-23 02:34:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2021-11-23 02:34:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2021-11-23 02:34:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2021-11-23 02:34:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2021-11-23 02:34:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2021-11-23 02:34:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2021-11-23 02:34:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2021-11-23 02:34:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:34:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:34:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2021-11-23 02:34:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2021-11-23 02:34:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-23 02:34:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-23 02:34:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2021-11-23 02:34:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2021-11-23 02:34:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-23 02:34:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-23 02:34:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-11-23 02:34:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-11-23 02:34:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2021-11-23 02:34:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2021-11-23 02:34:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-11-23 02:34:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-11-23 02:34:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2021-11-23 02:34:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2021-11-23 02:34:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2021-11-23 02:34:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2021-11-23 02:34:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 02:34:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 02:34:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 02:34:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 02:34:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2021-11-23 02:34:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2021-11-23 02:34:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bank_read_lock [2021-11-23 02:34:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bank_read_lock [2021-11-23 02:34:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-23 02:34:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-23 02:34:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-11-23 02:34:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-11-23 02:34:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-11-23 02:34:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-11-23 02:34:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_qat_cfg_read_lock [2021-11-23 02:34:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_qat_cfg_read_lock [2021-11-23 02:34:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2021-11-23 02:34:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2021-11-23 02:34:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-23 02:34:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-23 02:34:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-11-23 02:34:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-11-23 02:34:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:34:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:34:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2021-11-23 02:34:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2021-11-23 02:34:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2021-11-23 02:34:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2021-11-23 02:34:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:34:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 02:34:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2021-11-23 02:34:09,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2021-11-23 02:34:11,184 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:34:11,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:34:11,297 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:42:55,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:42:59,913 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:42:59,913 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:42:59,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:59 BoogieIcfgContainer [2021-11-23 02:42:59,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:42:59,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:42:59,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:42:59,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:42:59,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:00" (1/3) ... [2021-11-23 02:42:59,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e820e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:59, skipping insertion in model container [2021-11-23 02:42:59,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:07" (2/3) ... [2021-11-23 02:42:59,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e820e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:59, skipping insertion in model container [2021-11-23 02:42:59,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:59" (3/3) ... [2021-11-23 02:42:59,930 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-11-23 02:42:59,935 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:42:59,935 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:43:00,016 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:43:00,023 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:43:00,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:43:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 3135 states, 1992 states have (on average 1.3468875502008033) internal successors, (2683), 2067 states have internal predecessors, (2683), 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) [2021-11-23 02:43:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 02:43:00,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:00,126 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:43:00,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:00,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:00,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1661570961, now seen corresponding path program 1 times [2021-11-23 02:43:00,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:00,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360265367] [2021-11-23 02:43:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:00,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:43:01,381 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:01,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360265367] [2021-11-23 02:43:01,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360265367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:01,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:01,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:43:01,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388320632] [2021-11-23 02:43:01,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:01,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:43:01,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:01,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:43:01,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:01,446 INFO L87 Difference]: Start difference. First operand has 3135 states, 1992 states have (on average 1.3468875502008033) internal successors, (2683), 2067 states have internal predecessors, (2683), 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 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-23 02:43:03,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:10,517 INFO L93 Difference]: Finished difference Result 9340 states and 13848 transitions. [2021-11-23 02:43:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:43:10,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 48 [2021-11-23 02:43:10,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:10,612 INFO L225 Difference]: With dead ends: 9340 [2021-11-23 02:43:10,613 INFO L226 Difference]: Without dead ends: 6181 [2021-11-23 02:43:10,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:10,665 INFO L933 BasicCegarLoop]: 5053 mSDtfsCounter, 4455 mSDsluCounter, 4524 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4455 SdHoareTripleChecker+Valid, 9190 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:10,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4455 Valid, 9190 Invalid, 810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 800 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2021-11-23 02:43:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2021-11-23 02:43:11,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 6140. [2021-11-23 02:43:11,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6140 states, 3923 states have (on average 1.3385164414988528) internal successors, (5251), 4027 states have internal predecessors, (5251), 1834 states have call successors, (1834), 383 states have call predecessors, (1834), 382 states have return successors, (1816), 1802 states have call predecessors, (1816), 1813 states have call successors, (1816) [2021-11-23 02:43:11,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6140 states to 6140 states and 8901 transitions. [2021-11-23 02:43:11,191 INFO L78 Accepts]: Start accepts. Automaton has 6140 states and 8901 transitions. Word has length 48 [2021-11-23 02:43:11,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:11,192 INFO L470 AbstractCegarLoop]: Abstraction has 6140 states and 8901 transitions. [2021-11-23 02:43:11,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-23 02:43:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 6140 states and 8901 transitions. [2021-11-23 02:43:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 02:43:11,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:11,196 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:43:11,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:43:11,196 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1001132028, now seen corresponding path program 1 times [2021-11-23 02:43:11,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:11,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500285204] [2021-11-23 02:43:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:11,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:43:11,801 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:11,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500285204] [2021-11-23 02:43:11,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500285204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:11,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:11,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:43:11,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463864370] [2021-11-23 02:43:11,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:11,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:43:11,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:11,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:43:11,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:11,804 INFO L87 Difference]: Start difference. First operand 6140 states and 8901 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 02:43:13,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:21,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:21,790 INFO L93 Difference]: Finished difference Result 17891 states and 25908 transitions. [2021-11-23 02:43:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:43:21,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 49 [2021-11-23 02:43:21,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:21,922 INFO L225 Difference]: With dead ends: 17891 [2021-11-23 02:43:21,922 INFO L226 Difference]: Without dead ends: 11760 [2021-11-23 02:43:21,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:21,979 INFO L933 BasicCegarLoop]: 4961 mSDtfsCounter, 4126 mSDsluCounter, 4479 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4126 SdHoareTripleChecker+Valid, 9056 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:21,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4126 Valid, 9056 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 791 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2021-11-23 02:43:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11760 states. [2021-11-23 02:43:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11760 to 11727. [2021-11-23 02:43:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11727 states, 7505 states have (on average 1.3365756162558295) internal successors, (10031), 7688 states have internal predecessors, (10031), 3481 states have call successors, (3481), 743 states have call predecessors, (3481), 740 states have return successors, (3466), 3433 states have call predecessors, (3466), 3460 states have call successors, (3466) [2021-11-23 02:43:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11727 states to 11727 states and 16978 transitions. [2021-11-23 02:43:23,056 INFO L78 Accepts]: Start accepts. Automaton has 11727 states and 16978 transitions. Word has length 49 [2021-11-23 02:43:23,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:23,057 INFO L470 AbstractCegarLoop]: Abstraction has 11727 states and 16978 transitions. [2021-11-23 02:43:23,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 02:43:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 11727 states and 16978 transitions. [2021-11-23 02:43:23,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 02:43:23,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:23,067 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:43:23,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:43:23,068 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:23,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:23,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1316208149, now seen corresponding path program 1 times [2021-11-23 02:43:23,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:23,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732808592] [2021-11-23 02:43:23,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:23,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:43:23,762 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:23,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732808592] [2021-11-23 02:43:23,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732808592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:23,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:23,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:43:23,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673915665] [2021-11-23 02:43:23,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:23,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:43:23,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:23,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:43:23,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:23,764 INFO L87 Difference]: Start difference. First operand 11727 states and 16978 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 02:43:25,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:29,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:29,529 INFO L93 Difference]: Finished difference Result 23323 states and 33757 transitions. [2021-11-23 02:43:29,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:43:29,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 50 [2021-11-23 02:43:29,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:29,650 INFO L225 Difference]: With dead ends: 23323 [2021-11-23 02:43:29,651 INFO L226 Difference]: Without dead ends: 11605 [2021-11-23 02:43:29,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:29,739 INFO L933 BasicCegarLoop]: 4079 mSDtfsCounter, 4445 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4445 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:29,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4445 Valid, 4095 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 392 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-11-23 02:43:29,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11605 states. [2021-11-23 02:43:30,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11605 to 11605. [2021-11-23 02:43:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11605 states, 7417 states have (on average 1.3342321693407038) internal successors, (9896), 7599 states have internal predecessors, (9896), 3453 states have call successors, (3453), 737 states have call predecessors, (3453), 734 states have return successors, (3439), 3406 states have call predecessors, (3439), 3433 states have call successors, (3439) [2021-11-23 02:43:30,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11605 states to 11605 states and 16788 transitions. [2021-11-23 02:43:30,417 INFO L78 Accepts]: Start accepts. Automaton has 11605 states and 16788 transitions. Word has length 50 [2021-11-23 02:43:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:30,419 INFO L470 AbstractCegarLoop]: Abstraction has 11605 states and 16788 transitions. [2021-11-23 02:43:30,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 02:43:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 11605 states and 16788 transitions. [2021-11-23 02:43:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 02:43:30,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:30,424 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:43:30,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:43:30,424 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:30,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:30,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1371094316, now seen corresponding path program 1 times [2021-11-23 02:43:30,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:30,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436518518] [2021-11-23 02:43:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:30,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:43:31,064 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:31,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436518518] [2021-11-23 02:43:31,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436518518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:31,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:31,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:43:31,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012027970] [2021-11-23 02:43:31,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:31,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:43:31,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:31,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:43:31,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:31,066 INFO L87 Difference]: Start difference. First operand 11605 states and 16788 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-23 02:43:33,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:36,563 INFO L93 Difference]: Finished difference Result 23017 states and 33303 transitions. [2021-11-23 02:43:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:43:36,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 56 [2021-11-23 02:43:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:36,630 INFO L225 Difference]: With dead ends: 23017 [2021-11-23 02:43:36,630 INFO L226 Difference]: Without dead ends: 11428 [2021-11-23 02:43:36,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:36,697 INFO L933 BasicCegarLoop]: 4019 mSDtfsCounter, 4374 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4374 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:36,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4374 Valid, 4035 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-23 02:43:36,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11428 states. [2021-11-23 02:43:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11428 to 11428. [2021-11-23 02:43:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11428 states, 7297 states have (on average 1.3331506098396602) internal successors, (9728), 7478 states have internal predecessors, (9728), 3408 states have call successors, (3408), 725 states have call predecessors, (3408), 722 states have return successors, (3395), 3362 states have call predecessors, (3395), 3389 states have call successors, (3395) [2021-11-23 02:43:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11428 states to 11428 states and 16531 transitions. [2021-11-23 02:43:37,519 INFO L78 Accepts]: Start accepts. Automaton has 11428 states and 16531 transitions. Word has length 56 [2021-11-23 02:43:37,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:37,519 INFO L470 AbstractCegarLoop]: Abstraction has 11428 states and 16531 transitions. [2021-11-23 02:43:37,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-23 02:43:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 11428 states and 16531 transitions. [2021-11-23 02:43:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 02:43:37,524 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:37,524 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:43:37,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:43:37,524 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:37,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:37,526 INFO L85 PathProgramCache]: Analyzing trace with hash 264808645, now seen corresponding path program 1 times [2021-11-23 02:43:37,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:37,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803510549] [2021-11-23 02:43:37,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:37,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 02:43:38,056 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:38,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803510549] [2021-11-23 02:43:38,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803510549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:38,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:38,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:43:38,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785957869] [2021-11-23 02:43:38,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:38,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:43:38,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:38,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:43:38,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:38,058 INFO L87 Difference]: Start difference. First operand 11428 states and 16531 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 02:43:40,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:46,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:46,889 INFO L93 Difference]: Finished difference Result 33892 states and 49021 transitions. [2021-11-23 02:43:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:43:46,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 60 [2021-11-23 02:43:46,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:47,026 INFO L225 Difference]: With dead ends: 33892 [2021-11-23 02:43:47,026 INFO L226 Difference]: Without dead ends: 22480 [2021-11-23 02:43:47,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:47,091 INFO L933 BasicCegarLoop]: 5187 mSDtfsCounter, 4248 mSDsluCounter, 4364 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4248 SdHoareTripleChecker+Valid, 9172 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:47,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4248 Valid, 9172 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 813 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2021-11-23 02:43:47,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22480 states. [2021-11-23 02:43:48,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22480 to 22448. [2021-11-23 02:43:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22448 states, 14345 states have (on average 1.3318926455210875) internal successors, (19106), 14690 states have internal predecessors, (19106), 6684 states have call successors, (6684), 1423 states have call predecessors, (6684), 1418 states have return successors, (6677), 6610 states have call predecessors, (6677), 6665 states have call successors, (6677) [2021-11-23 02:43:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22448 states to 22448 states and 32467 transitions. [2021-11-23 02:43:48,378 INFO L78 Accepts]: Start accepts. Automaton has 22448 states and 32467 transitions. Word has length 60 [2021-11-23 02:43:48,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:43:48,378 INFO L470 AbstractCegarLoop]: Abstraction has 22448 states and 32467 transitions. [2021-11-23 02:43:48,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 02:43:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 22448 states and 32467 transitions. [2021-11-23 02:43:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 02:43:48,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:43:48,380 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:43:48,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:43:48,381 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:43:48,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:43:48,382 INFO L85 PathProgramCache]: Analyzing trace with hash 397657365, now seen corresponding path program 1 times [2021-11-23 02:43:48,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:43:48,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463855794] [2021-11-23 02:43:48,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:43:48,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:43:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:43:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:43:48,905 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:43:48,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463855794] [2021-11-23 02:43:48,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463855794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:43:48,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:43:48,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:43:48,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261946152] [2021-11-23 02:43:48,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:43:48,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:43:48,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:43:48,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:43:48,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:48,907 INFO L87 Difference]: Start difference. First operand 22448 states and 32467 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:43:51,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:43:57,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:43:57,552 INFO L93 Difference]: Finished difference Result 43997 states and 63599 transitions. [2021-11-23 02:43:57,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:43:57,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2021-11-23 02:43:57,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:43:57,812 INFO L225 Difference]: With dead ends: 43997 [2021-11-23 02:43:57,813 INFO L226 Difference]: Without dead ends: 43993 [2021-11-23 02:43:57,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:43:57,836 INFO L933 BasicCegarLoop]: 4845 mSDtfsCounter, 4044 mSDsluCounter, 4349 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4044 SdHoareTripleChecker+Valid, 8816 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:43:57,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4044 Valid, 8816 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 772 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-11-23 02:43:57,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43993 states. [2021-11-23 02:43:59,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43993 to 43983. [2021-11-23 02:43:59,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43983 states, 28120 states have (on average 1.3309032716927454) internal successors, (37425), 28780 states have internal predecessors, (37425), 13068 states have call successors, (13068), 2803 states have call predecessors, (13068), 2794 states have return successors, (13089), 12939 states have call predecessors, (13089), 13049 states have call successors, (13089) [2021-11-23 02:44:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43983 states to 43983 states and 63582 transitions. [2021-11-23 02:44:00,676 INFO L78 Accepts]: Start accepts. Automaton has 43983 states and 63582 transitions. Word has length 66 [2021-11-23 02:44:00,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:00,677 INFO L470 AbstractCegarLoop]: Abstraction has 43983 states and 63582 transitions. [2021-11-23 02:44:00,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:44:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 43983 states and 63582 transitions. [2021-11-23 02:44:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 02:44:00,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:00,679 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:44:00,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:44:00,679 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:44:00,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:00,680 INFO L85 PathProgramCache]: Analyzing trace with hash -559007308, now seen corresponding path program 1 times [2021-11-23 02:44:00,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:00,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084423497] [2021-11-23 02:44:00,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:00,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:44:01,200 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:01,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084423497] [2021-11-23 02:44:01,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084423497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:01,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:01,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:44:01,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607118735] [2021-11-23 02:44:01,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:01,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:44:01,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:01,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:44:01,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:44:01,202 INFO L87 Difference]: Start difference. First operand 43983 states and 63582 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:44:03,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:12,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:12,046 INFO L93 Difference]: Finished difference Result 131773 states and 193692 transitions. [2021-11-23 02:44:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:44:12,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2021-11-23 02:44:12,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:12,751 INFO L225 Difference]: With dead ends: 131773 [2021-11-23 02:44:12,751 INFO L226 Difference]: Without dead ends: 87806 [2021-11-23 02:44:12,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:44:12,986 INFO L933 BasicCegarLoop]: 4966 mSDtfsCounter, 4426 mSDsluCounter, 4349 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4426 SdHoareTripleChecker+Valid, 8937 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:12,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4426 Valid, 8937 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2021-11-23 02:44:13,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87806 states. [2021-11-23 02:44:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87806 to 87705. [2021-11-23 02:44:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87705 states, 56114 states have (on average 1.3310760238086752) internal successors, (74692), 57402 states have internal predecessors, (74692), 26044 states have call successors, (26044), 5573 states have call predecessors, (26044), 5546 states have return successors, (27141), 25809 states have call predecessors, (27141), 26021 states have call successors, (27141) [2021-11-23 02:44:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87705 states to 87705 states and 127877 transitions. [2021-11-23 02:44:17,700 INFO L78 Accepts]: Start accepts. Automaton has 87705 states and 127877 transitions. Word has length 67 [2021-11-23 02:44:17,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:17,700 INFO L470 AbstractCegarLoop]: Abstraction has 87705 states and 127877 transitions. [2021-11-23 02:44:17,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:44:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 87705 states and 127877 transitions. [2021-11-23 02:44:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 02:44:17,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:17,703 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:44:17,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:44:17,704 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:44:17,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:17,705 INFO L85 PathProgramCache]: Analyzing trace with hash -150836232, now seen corresponding path program 1 times [2021-11-23 02:44:17,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:17,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215872628] [2021-11-23 02:44:17,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:17,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:44:18,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:18,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215872628] [2021-11-23 02:44:18,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215872628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:18,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:18,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:44:18,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996119639] [2021-11-23 02:44:18,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:18,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:44:18,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:18,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:44:18,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:44:18,578 INFO L87 Difference]: Start difference. First operand 87705 states and 127877 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:44:20,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:26,075 INFO L93 Difference]: Finished difference Result 87707 states and 127878 transitions. [2021-11-23 02:44:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:44:26,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2021-11-23 02:44:26,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:26,514 INFO L225 Difference]: With dead ends: 87707 [2021-11-23 02:44:26,514 INFO L226 Difference]: Without dead ends: 87704 [2021-11-23 02:44:26,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:44:26,559 INFO L933 BasicCegarLoop]: 4012 mSDtfsCounter, 4363 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4363 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:26,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4363 Valid, 4012 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-11-23 02:44:26,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87704 states. [2021-11-23 02:44:30,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87704 to 87704. [2021-11-23 02:44:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87704 states, 56114 states have (on average 1.3310582029440068) internal successors, (74691), 57401 states have internal predecessors, (74691), 26043 states have call successors, (26043), 5573 states have call predecessors, (26043), 5546 states have return successors, (27141), 25809 states have call predecessors, (27141), 26021 states have call successors, (27141) [2021-11-23 02:44:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87704 states to 87704 states and 127875 transitions. [2021-11-23 02:44:30,815 INFO L78 Accepts]: Start accepts. Automaton has 87704 states and 127875 transitions. Word has length 68 [2021-11-23 02:44:30,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:44:30,816 INFO L470 AbstractCegarLoop]: Abstraction has 87704 states and 127875 transitions. [2021-11-23 02:44:30,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:44:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 87704 states and 127875 transitions. [2021-11-23 02:44:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 02:44:30,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:44:30,818 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:44:30,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:44:30,818 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:44:30,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:44:30,819 INFO L85 PathProgramCache]: Analyzing trace with hash -382429897, now seen corresponding path program 1 times [2021-11-23 02:44:30,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:44:30,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569471798] [2021-11-23 02:44:30,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:44:30,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:44:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:44:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 02:44:31,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:44:31,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569471798] [2021-11-23 02:44:31,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569471798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:44:31,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:44:31,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:44:31,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901415554] [2021-11-23 02:44:31,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:44:31,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:44:31,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:44:31,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:44:31,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:44:31,662 INFO L87 Difference]: Start difference. First operand 87704 states and 127875 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-23 02:44:33,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:44:39,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:44:39,570 INFO L93 Difference]: Finished difference Result 87706 states and 127876 transitions. [2021-11-23 02:44:39,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:44:39,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2021-11-23 02:44:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:44:39,977 INFO L225 Difference]: With dead ends: 87706 [2021-11-23 02:44:39,977 INFO L226 Difference]: Without dead ends: 87703 [2021-11-23 02:44:40,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:44:40,029 INFO L933 BasicCegarLoop]: 4010 mSDtfsCounter, 4360 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4360 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:44:40,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4360 Valid, 4010 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 383 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-23 02:44:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87703 states.