./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:38:28,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:38:28,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:38:29,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:38:29,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:38:29,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:38:29,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:38:29,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:38:29,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:38:29,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:38:29,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:38:29,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:38:29,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:38:29,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:38:29,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:38:29,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:38:29,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:38:29,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:38:29,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:38:29,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:38:29,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:38:29,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:38:29,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:38:29,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:38:29,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:38:29,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:38:29,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:38:29,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:38:29,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:38:29,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:38:29,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:38:29,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:38:29,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:38:29,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:38:29,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:38:29,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:38:29,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:38:29,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:38:29,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:38:29,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:38:29,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:38:29,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:38:29,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:38:29,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:38:29,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:38:29,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:38:29,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:38:29,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:38:29,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:38:29,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:38:29,117 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:38:29,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:38:29,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:38:29,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:38:29,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:38:29,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:38:29,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:38:29,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:38:29,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:38:29,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:38:29,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:38:29,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:38:29,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:38:29,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:38:29,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:38:29,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:38:29,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:38:29,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:38:29,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:38:29,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:38:29,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:38:29,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:38:29,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:38:29,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a [2021-11-20 06:38:29,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:38:29,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:38:29,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:38:29,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:38:29,421 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:38:29,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/../../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 [2021-11-20 06:38:29,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/data/60dced240/dd69a9c2521b4d7192900e9e43049ff9/FLAG18bb1eabb [2021-11-20 06:38:30,658 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:38:30,659 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/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 [2021-11-20 06:38:30,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/data/60dced240/dd69a9c2521b4d7192900e9e43049ff9/FLAG18bb1eabb [2021-11-20 06:38:30,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/data/60dced240/dd69a9c2521b4d7192900e9e43049ff9 [2021-11-20 06:38:30,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:38:30,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:38:30,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:38:30,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:38:30,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:38:30,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:30" (1/1) ... [2021-11-20 06:38:30,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebe92ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:30, skipping insertion in model container [2021-11-20 06:38:30,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:30" (1/1) ... [2021-11-20 06:38:30,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:38:31,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:38:36,567 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_fd46880b-1b39-4f93-959c-18dea399ce1d/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] [2021-11-20 06:38:37,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:38:37,271 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:38:38,094 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_fd46880b-1b39-4f93-959c-18dea399ce1d/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] [2021-11-20 06:38:38,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:38:38,523 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:38:38,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38 WrapperNode [2021-11-20 06:38:38,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:38:38,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:38:38,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:38:38,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:38:38,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:38,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,287 INFO L137 Inliner]: procedures = 781, calls = 6072, calls flagged for inlining = 295, calls inlined = 255, statements flattened = 11643 [2021-11-20 06:38:39,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:38:39,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:38:39,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:38:39,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:38:39,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:38:39,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:38:39,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:38:39,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:38:39,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (1/1) ... [2021-11-20 06:38:39,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:38:39,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:38:39,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:38:39,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd46880b-1b39-4f93-959c-18dea399ce1d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:38:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2021-11-20 06:38:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2021-11-20 06:38:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-20 06:38:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-20 06:38:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-20 06:38:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2021-11-20 06:38:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2021-11-20 06:38:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-20 06:38:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-20 06:38:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ring_read_lock [2021-11-20 06:38:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ring_read_lock [2021-11-20 06:38:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 06:38:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 06:38:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 06:38:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 06:38:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2021-11-20 06:38:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2021-11-20 06:38:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2021-11-20 06:38:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2021-11-20 06:38:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2021-11-20 06:38:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2021-11-20 06:38:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 06:38:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-20 06:38:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2021-11-20 06:38:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2021-11-20 06:38:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2021-11-20 06:38:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2021-11-20 06:38:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2021-11-20 06:38:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2021-11-20 06:38:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2021-11-20 06:38:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2021-11-20 06:38:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 06:38:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 06:38:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-20 06:38:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-20 06:38:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-20 06:38:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-20 06:38:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-20 06:38:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:38:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:38:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2021-11-20 06:38:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2021-11-20 06:38:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 06:38:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 06:38:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2021-11-20 06:38:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2021-11-20 06:38:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2021-11-20 06:38:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2021-11-20 06:38:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:38:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:38:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2021-11-20 06:38:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2021-11-20 06:38:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2021-11-20 06:38:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2021-11-20 06:38:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:38:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2021-11-20 06:38:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2021-11-20 06:38:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2021-11-20 06:38:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2021-11-20 06:38:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 06:38:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 06:38:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-11-20 06:38:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-11-20 06:38:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-20 06:38:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-20 06:38:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2021-11-20 06:38:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2021-11-20 06:38:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 06:38:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 06:38:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:38:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2021-11-20 06:38:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2021-11-20 06:38:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 06:38:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 06:38:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:38:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 06:38:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 06:38:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:38:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2021-11-20 06:38:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2021-11-20 06:38:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2021-11-20 06:38:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2021-11-20 06:38:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:38:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:38:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:38:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:38:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 06:38:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 06:38:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2021-11-20 06:38:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2021-11-20 06:38:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 06:38:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 06:38:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:38:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2021-11-20 06:38:40,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2021-11-20 06:38:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2021-11-20 06:38:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2021-11-20 06:38:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:38:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:38:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-20 06:38:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-20 06:38:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:38:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:38:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-11-20 06:38:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-11-20 06:38:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2021-11-20 06:38:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2021-11-20 06:38:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2021-11-20 06:38:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2021-11-20 06:38:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:38:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:38:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 06:38:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 06:38:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2021-11-20 06:38:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2021-11-20 06:38:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 06:38:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 06:38:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-11-20 06:38:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-11-20 06:38:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:38:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:38:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:38:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:38:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-11-20 06:38:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-11-20 06:38:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2021-11-20 06:38:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2021-11-20 06:38:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2021-11-20 06:38:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2021-11-20 06:38:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2021-11-20 06:38:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2021-11-20 06:38:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2021-11-20 06:38:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2021-11-20 06:38:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_service_lock [2021-11-20 06:38:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_service_lock [2021-11-20 06:38:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-20 06:38:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-20 06:38:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 06:38:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 06:38:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 06:38:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 06:38:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-20 06:38:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-20 06:38:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2021-11-20 06:38:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2021-11-20 06:38:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2021-11-20 06:38:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2021-11-20 06:38:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2021-11-20 06:38:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2021-11-20 06:38:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-20 06:38:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-20 06:38:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 06:38:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 06:38:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2021-11-20 06:38:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2021-11-20 06:38:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:38:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:38:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:38:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2021-11-20 06:38:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2021-11-20 06:38:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:38:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:38:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2021-11-20 06:38:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2021-11-20 06:38:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_service_lock [2021-11-20 06:38:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_service_lock [2021-11-20 06:38:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2021-11-20 06:38:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2021-11-20 06:38:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2021-11-20 06:38:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2021-11-20 06:38:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2021-11-20 06:38:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2021-11-20 06:38:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-20 06:38:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-20 06:38:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2021-11-20 06:38:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2021-11-20 06:38:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2021-11-20 06:38:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2021-11-20 06:38:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2021-11-20 06:38:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2021-11-20 06:38:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-11-20 06:38:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-11-20 06:38:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-11-20 06:38:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-11-20 06:38:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2021-11-20 06:38:40,026 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2021-11-20 06:38:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2021-11-20 06:38:40,026 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2021-11-20 06:38:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2021-11-20 06:38:40,026 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2021-11-20 06:38:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 06:38:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 06:38:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2021-11-20 06:38:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2021-11-20 06:38:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2021-11-20 06:38:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2021-11-20 06:38:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2021-11-20 06:38:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2021-11-20 06:38:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adf_ctl_lock [2021-11-20 06:38:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adf_ctl_lock [2021-11-20 06:38:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bank_read_lock [2021-11-20 06:38:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bank_read_lock [2021-11-20 06:38:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 06:38:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 06:38:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:38:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:38:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2021-11-20 06:38:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2021-11-20 06:38:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:38:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:38:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2021-11-20 06:38:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2021-11-20 06:38:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-20 06:38:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-20 06:38:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:38:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:38:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2021-11-20 06:38:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2021-11-20 06:38:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2021-11-20 06:38:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2021-11-20 06:38:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:38:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:38:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2021-11-20 06:38:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2021-11-20 06:38:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2021-11-20 06:38:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2021-11-20 06:38:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2021-11-20 06:38:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2021-11-20 06:38:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:38:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2021-11-20 06:38:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2021-11-20 06:38:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-20 06:38:40,034 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-20 06:38:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-20 06:38:40,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-20 06:38:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 06:38:40,034 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 06:38:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2021-11-20 06:38:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2021-11-20 06:38:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_qat_cfg_read_lock [2021-11-20 06:38:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_qat_cfg_read_lock [2021-11-20 06:38:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2021-11-20 06:38:40,035 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2021-11-20 06:38:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:38:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:38:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:38:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 06:38:40,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 06:38:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:38:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 06:38:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 06:38:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2021-11-20 06:38:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2021-11-20 06:38:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:38:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:38:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2021-11-20 06:38:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2021-11-20 06:38:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-11-20 06:38:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-11-20 06:38:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 06:38:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 06:38:40,039 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2021-11-20 06:38:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2021-11-20 06:38:40,039 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2021-11-20 06:38:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2021-11-20 06:38:40,039 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 06:38:40,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 06:38:40,040 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-20 06:38:40,040 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-20 06:38:40,040 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2021-11-20 06:38:40,040 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2021-11-20 06:38:40,040 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2021-11-20 06:38:40,040 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2021-11-20 06:38:40,041 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2021-11-20 06:38:40,041 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2021-11-20 06:38:40,041 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2021-11-20 06:38:40,041 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2021-11-20 06:38:40,041 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2021-11-20 06:38:40,041 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2021-11-20 06:38:40,042 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2021-11-20 06:38:40,042 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2021-11-20 06:38:40,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:38:40,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:38:40,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:38:40,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:38:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2021-11-20 06:38:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2021-11-20 06:38:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2021-11-20 06:38:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2021-11-20 06:38:40,043 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2021-11-20 06:38:40,043 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2021-11-20 06:38:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-20 06:38:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-20 06:38:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2021-11-20 06:38:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2021-11-20 06:38:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2021-11-20 06:38:40,044 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2021-11-20 06:38:40,044 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2021-11-20 06:38:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2021-11-20 06:38:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 06:38:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 06:38:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-11-20 06:38:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-11-20 06:38:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ring_read_lock [2021-11-20 06:38:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ring_read_lock [2021-11-20 06:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:38:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:38:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2021-11-20 06:38:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2021-11-20 06:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2021-11-20 06:38:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2021-11-20 06:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2021-11-20 06:38:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2021-11-20 06:38:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2021-11-20 06:38:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2021-11-20 06:38:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-20 06:38:40,048 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-20 06:38:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2021-11-20 06:38:40,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2021-11-20 06:38:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2021-11-20 06:38:40,048 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2021-11-20 06:38:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2021-11-20 06:38:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2021-11-20 06:38:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2021-11-20 06:38:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2021-11-20 06:38:40,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 06:38:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 06:38:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2021-11-20 06:38:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2021-11-20 06:38:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 06:38:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 06:38:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:38:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:38:40,050 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2021-11-20 06:38:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2021-11-20 06:38:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2021-11-20 06:38:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2021-11-20 06:38:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2021-11-20 06:38:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2021-11-20 06:38:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 06:38:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 06:38:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2021-11-20 06:38:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2021-11-20 06:38:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2021-11-20 06:38:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2021-11-20 06:38:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-20 06:38:40,053 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-20 06:38:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:38:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2021-11-20 06:38:40,053 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2021-11-20 06:38:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2021-11-20 06:38:40,053 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2021-11-20 06:38:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2021-11-20 06:38:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2021-11-20 06:38:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2021-11-20 06:38:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2021-11-20 06:38:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:38:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:38:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2021-11-20 06:38:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2021-11-20 06:38:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-20 06:38:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-20 06:38:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2021-11-20 06:38:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2021-11-20 06:38:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-20 06:38:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-20 06:38:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-11-20 06:38:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-11-20 06:38:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2021-11-20 06:38:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2021-11-20 06:38:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-11-20 06:38:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-11-20 06:38:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2021-11-20 06:38:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2021-11-20 06:38:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2021-11-20 06:38:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2021-11-20 06:38:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 06:38:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 06:38:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 06:38:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 06:38:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2021-11-20 06:38:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2021-11-20 06:38:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bank_read_lock [2021-11-20 06:38:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bank_read_lock [2021-11-20 06:38:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-20 06:38:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-20 06:38:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-11-20 06:38:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-11-20 06:38:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-11-20 06:38:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-11-20 06:38:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_qat_cfg_read_lock [2021-11-20 06:38:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_qat_cfg_read_lock [2021-11-20 06:38:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2021-11-20 06:38:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2021-11-20 06:38:40,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-20 06:38:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-20 06:38:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-11-20 06:38:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-11-20 06:38:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:38:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:38:40,061 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2021-11-20 06:38:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2021-11-20 06:38:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2021-11-20 06:38:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2021-11-20 06:38:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:38:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 06:38:40,062 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2021-11-20 06:38:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2021-11-20 06:38:41,532 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:38:41,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:38:41,685 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:47:18,895 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:47:18,939 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:47:18,940 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:47:18,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:47:18 BoogieIcfgContainer [2021-11-20 06:47:18,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:47:18,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:47:18,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:47:18,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:47:18,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:38:30" (1/3) ... [2021-11-20 06:47:18,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201e59ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:47:18, skipping insertion in model container [2021-11-20 06:47:18,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:38" (2/3) ... [2021-11-20 06:47:18,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201e59ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:47:18, skipping insertion in model container [2021-11-20 06:47:18,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:47:18" (3/3) ... [2021-11-20 06:47:18,954 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 [2021-11-20 06:47:18,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:47:18,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:47:19,021 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:47:19,028 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:47:19,028 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:47:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 3769 states, 2626 states have (on average 1.3293983244478293) internal successors, (3491), 2701 states have internal predecessors, (3491), 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) [2021-11-20 06:47:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-20 06:47:19,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:47:19,122 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:47:19,123 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:47:19,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:47:19,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1617610159, now seen corresponding path program 1 times [2021-11-20 06:47:19,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:47:19,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921898034] [2021-11-20 06:47:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:47:19,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:47:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:47:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:47:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:47:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:47:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:47:20,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:47:20,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921898034] [2021-11-20 06:47:20,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921898034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:20,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:20,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:47:20,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379588635] [2021-11-20 06:47:20,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:20,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:47:20,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:47:20,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:47:20,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:47:20,521 INFO L87 Difference]: Start difference. First operand has 3769 states, 2626 states have (on average 1.3293983244478293) internal successors, (3491), 2701 states have internal predecessors, (3491), 947 states have call successors, (947), 195 states have call predecessors, (947), 194 states have return successors, (937), 932 states have call predecessors, (937), 937 states have call successors, (937) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:47:22,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:37,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:39,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:46,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:48,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:59,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:59,801 INFO L93 Difference]: Finished difference Result 12813 states and 19189 transitions. [2021-11-20 06:47:59,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:47:59,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2021-11-20 06:47:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:59,917 INFO L225 Difference]: With dead ends: 12813 [2021-11-20 06:47:59,917 INFO L226 Difference]: Without dead ends: 9019 [2021-11-20 06:47:59,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:47:59,976 INFO L933 BasicCegarLoop]: 5645 mSDtfsCounter, 8517 mSDsluCounter, 6632 mSDsCounter, 0 mSdLazyCounter, 4454 mSolverCounterSat, 3503 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9318 SdHoareTripleChecker+Valid, 12277 SdHoareTripleChecker+Invalid, 7962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3503 IncrementalHoareTripleChecker+Valid, 4454 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:59,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9318 Valid, 12277 Invalid, 7962 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3503 Valid, 4454 Invalid, 5 Unknown, 0 Unchecked, 38.1s Time] [2021-11-20 06:48:00,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9019 states. [2021-11-20 06:48:00,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9019 to 7801. [2021-11-20 06:48:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7801 states, 5492 states have (on average 1.3259286234522942) internal successors, (7282), 5606 states have internal predecessors, (7282), 1907 states have call successors, (1907), 380 states have call predecessors, (1907), 401 states have return successors, (2005), 1891 states have call predecessors, (2005), 1886 states have call successors, (2005) [2021-11-20 06:48:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7801 states to 7801 states and 11194 transitions. [2021-11-20 06:48:00,602 INFO L78 Accepts]: Start accepts. Automaton has 7801 states and 11194 transitions. Word has length 59 [2021-11-20 06:48:00,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:48:00,603 INFO L470 AbstractCegarLoop]: Abstraction has 7801 states and 11194 transitions. [2021-11-20 06:48:00,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:48:00,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7801 states and 11194 transitions. [2021-11-20 06:48:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 06:48:00,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:48:00,615 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:48:00,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:48:00,615 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:48:00,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:48:00,616 INFO L85 PathProgramCache]: Analyzing trace with hash 103269205, now seen corresponding path program 1 times [2021-11-20 06:48:00,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:48:00,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378532265] [2021-11-20 06:48:00,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:48:00,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:48:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:48:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:48:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:48:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:48:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:48:01,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:48:01,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378532265] [2021-11-20 06:48:01,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378532265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:48:01,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:48:01,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:48:01,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654060951] [2021-11-20 06:48:01,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:48:01,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:48:01,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:48:01,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:48:01,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:48:01,391 INFO L87 Difference]: Start difference. First operand 7801 states and 11194 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:48:03,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:14,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:16,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:21,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:23,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:48:28,240 INFO L93 Difference]: Finished difference Result 16765 states and 24306 transitions. [2021-11-20 06:48:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:48:28,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2021-11-20 06:48:28,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:48:28,322 INFO L225 Difference]: With dead ends: 16765 [2021-11-20 06:48:28,322 INFO L226 Difference]: Without dead ends: 8976 [2021-11-20 06:48:28,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:48:28,375 INFO L933 BasicCegarLoop]: 4710 mSDtfsCounter, 6884 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 2213 mSolverCounterSat, 2394 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7381 SdHoareTripleChecker+Valid, 6748 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2394 IncrementalHoareTripleChecker+Valid, 2213 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:48:28,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7381 Valid, 6748 Invalid, 4612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2394 Valid, 2213 Invalid, 5 Unknown, 0 Unchecked, 26.2s Time] [2021-11-20 06:48:28,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8976 states. [2021-11-20 06:48:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8976 to 7330. [2021-11-20 06:48:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7330 states, 5128 states have (on average 1.3186427457098284) internal successors, (6762), 5234 states have internal predecessors, (6762), 1810 states have call successors, (1810), 387 states have call predecessors, (1810), 391 states have return successors, (1806), 1779 states have call predecessors, (1806), 1790 states have call successors, (1806) [2021-11-20 06:48:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7330 states to 7330 states and 10378 transitions. [2021-11-20 06:48:28,815 INFO L78 Accepts]: Start accepts. Automaton has 7330 states and 10378 transitions. Word has length 61 [2021-11-20 06:48:28,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:48:28,816 INFO L470 AbstractCegarLoop]: Abstraction has 7330 states and 10378 transitions. [2021-11-20 06:48:28,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:48:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7330 states and 10378 transitions. [2021-11-20 06:48:28,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 06:48:28,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:48:28,819 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:48:28,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:48:28,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:48:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:48:28,820 INFO L85 PathProgramCache]: Analyzing trace with hash -643865591, now seen corresponding path program 1 times [2021-11-20 06:48:28,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:48:28,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348639900] [2021-11-20 06:48:28,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:48:28,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:48:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:48:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:48:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:48:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:48:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:48:29,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:48:29,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348639900] [2021-11-20 06:48:29,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348639900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:48:29,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:48:29,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:48:29,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137889558] [2021-11-20 06:48:29,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:48:29,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:48:29,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:48:29,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:48:29,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:48:29,640 INFO L87 Difference]: Start difference. First operand 7330 states and 10378 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:48:31,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:46,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:48,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:55,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:57,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:06,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:49:06,315 INFO L93 Difference]: Finished difference Result 24260 states and 35102 transitions. [2021-11-20 06:49:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:49:06,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2021-11-20 06:49:06,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:49:06,445 INFO L225 Difference]: With dead ends: 24260 [2021-11-20 06:49:06,445 INFO L226 Difference]: Without dead ends: 16942 [2021-11-20 06:49:06,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:49:06,492 INFO L933 BasicCegarLoop]: 5497 mSDtfsCounter, 7821 mSDsluCounter, 6330 mSDsCounter, 0 mSdLazyCounter, 4302 mSolverCounterSat, 3230 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8580 SdHoareTripleChecker+Valid, 11827 SdHoareTripleChecker+Invalid, 7537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3230 IncrementalHoareTripleChecker+Valid, 4302 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:49:06,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8580 Valid, 11827 Invalid, 7537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3230 Valid, 4302 Invalid, 5 Unknown, 0 Unchecked, 35.8s Time] [2021-11-20 06:49:06,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16942 states. [2021-11-20 06:49:07,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16942 to 13859. [2021-11-20 06:49:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13859 states, 9711 states have (on average 1.3178869323447637) internal successors, (12798), 9896 states have internal predecessors, (12798), 3405 states have call successors, (3405), 737 states have call predecessors, (3405), 742 states have return successors, (3417), 3358 states have call predecessors, (3417), 3385 states have call successors, (3417) [2021-11-20 06:49:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13859 states to 13859 states and 19620 transitions. [2021-11-20 06:49:07,327 INFO L78 Accepts]: Start accepts. Automaton has 13859 states and 19620 transitions. Word has length 61 [2021-11-20 06:49:07,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:49:07,328 INFO L470 AbstractCegarLoop]: Abstraction has 13859 states and 19620 transitions. [2021-11-20 06:49:07,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:49:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 13859 states and 19620 transitions. [2021-11-20 06:49:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-20 06:49:07,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:49:07,333 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:49:07,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:49:07,333 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:49:07,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:49:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1671294414, now seen corresponding path program 1 times [2021-11-20 06:49:07,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:49:07,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630315342] [2021-11-20 06:49:07,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:49:07,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:49:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:49:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:49:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:49:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:49:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:49:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-20 06:49:07,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:49:07,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630315342] [2021-11-20 06:49:07,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630315342] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:49:07,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:49:07,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:49:07,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529366683] [2021-11-20 06:49:07,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:49:07,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:49:07,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:49:07,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:49:07,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:49:07,991 INFO L87 Difference]: Start difference. First operand 13859 states and 19620 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 06:49:10,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:26,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:28,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:34,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:36,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:45,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:49:45,116 INFO L93 Difference]: Finished difference Result 47002 states and 68051 transitions. [2021-11-20 06:49:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:49:45,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2021-11-20 06:49:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:49:45,324 INFO L225 Difference]: With dead ends: 47002 [2021-11-20 06:49:45,325 INFO L226 Difference]: Without dead ends: 33155 [2021-11-20 06:49:45,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:49:45,401 INFO L933 BasicCegarLoop]: 5921 mSDtfsCounter, 8197 mSDsluCounter, 6520 mSDsCounter, 0 mSdLazyCounter, 4500 mSolverCounterSat, 3324 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8982 SdHoareTripleChecker+Valid, 12441 SdHoareTripleChecker+Invalid, 7829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3324 IncrementalHoareTripleChecker+Valid, 4500 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:49:45,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8982 Valid, 12441 Invalid, 7829 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3324 Valid, 4500 Invalid, 5 Unknown, 0 Unchecked, 35.5s Time] [2021-11-20 06:49:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33155 states. [2021-11-20 06:49:47,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33155 to 27049. [2021-11-20 06:49:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27049 states, 18955 states have (on average 1.3169084674228435) internal successors, (24962), 19304 states have internal predecessors, (24962), 6649 states have call successors, (6649), 1435 states have call predecessors, (6649), 1444 states have return successors, (6693), 6574 states have call predecessors, (6693), 6629 states have call successors, (6693) [2021-11-20 06:49:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27049 states to 27049 states and 38304 transitions. [2021-11-20 06:49:47,238 INFO L78 Accepts]: Start accepts. Automaton has 27049 states and 38304 transitions. Word has length 73 [2021-11-20 06:49:47,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:49:47,239 INFO L470 AbstractCegarLoop]: Abstraction has 27049 states and 38304 transitions. [2021-11-20 06:49:47,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 06:49:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 27049 states and 38304 transitions. [2021-11-20 06:49:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-20 06:49:47,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:49:47,241 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:49:47,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:49:47,241 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:49:47,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:49:47,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2018387948, now seen corresponding path program 1 times [2021-11-20 06:49:47,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:49:47,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104474207] [2021-11-20 06:49:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:49:47,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:49:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:49:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:49:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:49:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:49:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:49:47,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:49:47,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104474207] [2021-11-20 06:49:47,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104474207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:49:47,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:49:47,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:49:47,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295414312] [2021-11-20 06:49:47,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:49:47,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:49:47,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:49:47,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:49:47,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:49:47,833 INFO L87 Difference]: Start difference. First operand 27049 states and 38304 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:49:49,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:59,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:01,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:05,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:07,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:13,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:50:13,426 INFO L93 Difference]: Finished difference Result 59678 states and 85978 transitions. [2021-11-20 06:50:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:50:13,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2021-11-20 06:50:13,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:50:13,803 INFO L225 Difference]: With dead ends: 59678 [2021-11-20 06:50:13,803 INFO L226 Difference]: Without dead ends: 32641 [2021-11-20 06:50:13,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:50:13,923 INFO L933 BasicCegarLoop]: 4659 mSDtfsCounter, 6760 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 2342 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7251 SdHoareTripleChecker+Valid, 6662 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2342 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:50:13,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7251 Valid, 6662 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2342 Valid, 2195 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2021-11-20 06:50:13,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32641 states. [2021-11-20 06:50:15,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32641 to 26568. [2021-11-20 06:50:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26568 states, 18587 states have (on average 1.3137138860493893) internal successors, (24418), 18935 states have internal predecessors, (24418), 6560 states have call successors, (6560), 1411 states have call predecessors, (6560), 1420 states have return successors, (6605), 6486 states have call predecessors, (6605), 6541 states have call successors, (6605) [2021-11-20 06:50:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26568 states to 26568 states and 37583 transitions. [2021-11-20 06:50:15,717 INFO L78 Accepts]: Start accepts. Automaton has 26568 states and 37583 transitions. Word has length 67 [2021-11-20 06:50:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:50:15,718 INFO L470 AbstractCegarLoop]: Abstraction has 26568 states and 37583 transitions. [2021-11-20 06:50:15,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 06:50:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 26568 states and 37583 transitions. [2021-11-20 06:50:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-20 06:50:15,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:50:15,720 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:50:15,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:50:15,721 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:50:15,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:50:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1476230889, now seen corresponding path program 1 times [2021-11-20 06:50:15,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:50:15,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985936568] [2021-11-20 06:50:15,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:50:15,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:50:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:50:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:50:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:50:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:50:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 06:50:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:50:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:50:16,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:50:16,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985936568] [2021-11-20 06:50:16,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985936568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:50:16,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:50:16,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:50:16,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891189401] [2021-11-20 06:50:16,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:50:16,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:50:16,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:50:16,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:50:16,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:50:16,513 INFO L87 Difference]: Start difference. First operand 26568 states and 37583 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:50:18,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:35,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:37,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:43,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:45,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:50:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:50:52,153 INFO L93 Difference]: Finished difference Result 59504 states and 85766 transitions. [2021-11-20 06:50:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:50:52,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2021-11-20 06:50:52,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:50:52,351 INFO L225 Difference]: With dead ends: 59504 [2021-11-20 06:50:52,351 INFO L226 Difference]: Without dead ends: 32948 [2021-11-20 06:50:52,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:50:52,476 INFO L933 BasicCegarLoop]: 4957 mSDtfsCounter, 2435 mSDsluCounter, 10349 mSDsCounter, 0 mSdLazyCounter, 4564 mSolverCounterSat, 1330 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2753 SdHoareTripleChecker+Valid, 15306 SdHoareTripleChecker+Invalid, 5899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 4564 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:50:52,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2753 Valid, 15306 Invalid, 5899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1330 Valid, 4564 Invalid, 5 Unknown, 0 Unchecked, 34.2s Time] [2021-11-20 06:50:52,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32948 states. [2021-11-20 06:50:53,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32948 to 26568. [2021-11-20 06:50:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26568 states, 18587 states have (on average 1.3132834776994673) internal successors, (24410), 18927 states have internal predecessors, (24410), 6560 states have call successors, (6560), 1411 states have call predecessors, (6560), 1420 states have return successors, (6605), 6486 states have call predecessors, (6605), 6541 states have call successors, (6605) [2021-11-20 06:50:54,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26568 states to 26568 states and 37575 transitions. [2021-11-20 06:50:54,161 INFO L78 Accepts]: Start accepts. Automaton has 26568 states and 37575 transitions. Word has length 82 [2021-11-20 06:50:54,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:50:54,162 INFO L470 AbstractCegarLoop]: Abstraction has 26568 states and 37575 transitions. [2021-11-20 06:50:54,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:50:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 26568 states and 37575 transitions. [2021-11-20 06:50:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-20 06:50:54,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:50:54,170 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:50:54,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:50:54,170 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:50:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:50:54,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1188535743, now seen corresponding path program 1 times [2021-11-20 06:50:54,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:50:54,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335450120] [2021-11-20 06:50:54,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:50:54,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:50:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:50:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:50:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:50:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:50:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:50:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 06:50:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-20 06:50:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 06:50:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:50:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-20 06:50:54,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:50:54,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335450120] [2021-11-20 06:50:54,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335450120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:50:54,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:50:54,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:50:54,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101779689] [2021-11-20 06:50:54,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:50:54,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:50:54,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:50:54,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:50:54,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:50:54,840 INFO L87 Difference]: Start difference. First operand 26568 states and 37575 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 06:50:56,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:51:13,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:51:15,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:51:21,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:51:23,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:51:33,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:51:33,857 INFO L93 Difference]: Finished difference Result 91591 states and 132623 transitions. [2021-11-20 06:51:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:51:33,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2021-11-20 06:51:33,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:51:34,246 INFO L225 Difference]: With dead ends: 91591 [2021-11-20 06:51:34,246 INFO L226 Difference]: Without dead ends: 65035 [2021-11-20 06:51:34,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:51:34,378 INFO L933 BasicCegarLoop]: 5567 mSDtfsCounter, 8265 mSDsluCounter, 6508 mSDsCounter, 0 mSdLazyCounter, 4398 mSolverCounterSat, 3382 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9043 SdHoareTripleChecker+Valid, 12075 SdHoareTripleChecker+Invalid, 7785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3382 IncrementalHoareTripleChecker+Valid, 4398 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:51:34,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9043 Valid, 12075 Invalid, 7785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3382 Valid, 4398 Invalid, 5 Unknown, 0 Unchecked, 36.2s Time] [2021-11-20 06:51:34,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65035 states. [2021-11-20 06:51:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65035 to 52849. [2021-11-20 06:51:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52849 states, 36975 states have (on average 1.3134550371872886) internal successors, (48565), 37649 states have internal predecessors, (48565), 13057 states have call successors, (13057), 2800 states have call predecessors, (13057), 2816 states have return successors, (13181), 12912 states have call predecessors, (13181), 13037 states have call successors, (13181) [2021-11-20 06:51:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52849 states to 52849 states and 74803 transitions. [2021-11-20 06:51:37,268 INFO L78 Accepts]: Start accepts. Automaton has 52849 states and 74803 transitions. Word has length 91 [2021-11-20 06:51:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:51:37,270 INFO L470 AbstractCegarLoop]: Abstraction has 52849 states and 74803 transitions. [2021-11-20 06:51:37,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 06:51:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 52849 states and 74803 transitions. [2021-11-20 06:51:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-20 06:51:37,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:51:37,273 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:51:37,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:51:37,273 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:51:37,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:51:37,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1043820119, now seen corresponding path program 1 times [2021-11-20 06:51:37,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:51:37,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55455209] [2021-11-20 06:51:37,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:51:37,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:51:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:51:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:51:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:51:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:51:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:51:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:51:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:51:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:51:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 06:51:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:51:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:51:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-20 06:51:37,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:51:37,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55455209] [2021-11-20 06:51:37,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55455209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:51:37,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:51:37,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:51:37,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675696749] [2021-11-20 06:51:37,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:51:37,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:51:37,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:51:37,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:51:37,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:51:37,962 INFO L87 Difference]: Start difference. First operand 52849 states and 74803 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:51:40,103 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []