./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-43_2a-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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa --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 241c7b85b75a318a4203bcb947e5338118d62403403860a951e0e444656bbeb8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:29:19,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:29:19,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:29:19,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:29:19,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:29:19,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:29:19,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:29:19,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:29:19,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:29:19,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:29:19,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:29:19,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:29:19,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:29:19,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:29:19,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:29:19,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:29:19,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:29:19,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:29:19,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:29:19,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:29:19,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:29:19,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:29:19,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:29:19,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:29:19,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:29:19,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:29:19,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:29:19,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:29:19,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:29:19,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:29:19,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:29:19,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:29:19,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:29:19,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:29:19,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:29:19,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:29:19,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:29:19,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:29:19,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:29:19,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:29:19,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:29:19,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:29:19,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:29:19,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:29:19,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:29:19,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:29:19,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:29:19,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:29:19,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:29:19,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:29:19,108 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:29:19,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:29:19,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:29:19,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:29:19,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:29:19,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:29:19,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:29:19,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:29:19,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:29:19,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:29:19,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:29:19,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:29:19,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:29:19,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:29:19,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:29:19,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:29:19,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:29:19,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:29:19,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:29:19,111 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:29:19,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:29:19,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:29:19,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:29:19,111 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_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 241c7b85b75a318a4203bcb947e5338118d62403403860a951e0e444656bbeb8 [2021-12-07 01:29:19,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:29:19,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:29:19,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:29:19,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:29:19,320 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:29:19,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-12-07 01:29:19,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/data/40fff412b/93cdb3ce29504e748cafdd72247fd220/FLAGdf8f9da15 [2021-12-07 01:29:20,064 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:29:20,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-12-07 01:29:20,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/data/40fff412b/93cdb3ce29504e748cafdd72247fd220/FLAGdf8f9da15 [2021-12-07 01:29:20,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/data/40fff412b/93cdb3ce29504e748cafdd72247fd220 [2021-12-07 01:29:20,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:29:20,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:29:20,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:29:20,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:29:20,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:29:20,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:29:20" (1/1) ... [2021-12-07 01:29:20,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ec8406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:20, skipping insertion in model container [2021-12-07 01:29:20,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:29:20" (1/1) ... [2021-12-07 01:29:20,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:29:20,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:29:24,028 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_bed1a3c9-2060-45b6-bf09-34d433073a9b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[498572,498585] [2021-12-07 01:29:24,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:29:24,130 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:29:24,592 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_bed1a3c9-2060-45b6-bf09-34d433073a9b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[498572,498585] [2021-12-07 01:29:24,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:29:24,769 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:29:24,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24 WrapperNode [2021-12-07 01:29:24,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:29:24,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:29:24,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:29:24,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:29:24,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:24,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,069 INFO L137 Inliner]: procedures = 600, calls = 5744, calls flagged for inlining = 269, calls inlined = 235, statements flattened = 11433 [2021-12-07 01:29:25,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:29:25,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:29:25,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:29:25,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:29:25,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:29:25,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:29:25,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:29:25,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:29:25,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (1/1) ... [2021-12-07 01:29:25,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:29:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:29:25,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:29:25,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bed1a3c9-2060-45b6-bf09-34d433073a9b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:29:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:29:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:29:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2021-12-07 01:29:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2021-12-07 01:29:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-07 01:29:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-07 01:29:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-07 01:29:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:29:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:29:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2021-12-07 01:29:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2021-12-07 01:29:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-07 01:29:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-07 01:29:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-07 01:29:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-07 01:29:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2021-12-07 01:29:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2021-12-07 01:29:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:29:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:29:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2021-12-07 01:29:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2021-12-07 01:29:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-07 01:29:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-07 01:29:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 01:29:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 01:29:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:29:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:29:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2021-12-07 01:29:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2021-12-07 01:29:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2021-12-07 01:29:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2021-12-07 01:29:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2021-12-07 01:29:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2021-12-07 01:29:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-07 01:29:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-07 01:29:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:29:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:29:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2021-12-07 01:29:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2021-12-07 01:29:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2021-12-07 01:29:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2021-12-07 01:29:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2021-12-07 01:29:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2021-12-07 01:29:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2021-12-07 01:29:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2021-12-07 01:29:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2021-12-07 01:29:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2021-12-07 01:29:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 01:29:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 01:29:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-07 01:29:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2021-12-07 01:29:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2021-12-07 01:29:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:29:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:29:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2021-12-07 01:29:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2021-12-07 01:29:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2021-12-07 01:29:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2021-12-07 01:29:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2021-12-07 01:29:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2021-12-07 01:29:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:29:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2021-12-07 01:29:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2021-12-07 01:29:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-07 01:29:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-07 01:29:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-07 01:29:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-07 01:29:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-07 01:29:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-07 01:29:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-07 01:29:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-07 01:29:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-07 01:29:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-07 01:29:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2021-12-07 01:29:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2021-12-07 01:29:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:29:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:29:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2021-12-07 01:29:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2021-12-07 01:29:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-07 01:29:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-07 01:29:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2021-12-07 01:29:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2021-12-07 01:29:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2021-12-07 01:29:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2021-12-07 01:29:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:29:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2021-12-07 01:29:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2021-12-07 01:29:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 01:29:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 01:29:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:29:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:29:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:29:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:29:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:29:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2021-12-07 01:29:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2021-12-07 01:29:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2021-12-07 01:29:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2021-12-07 01:29:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:29:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 01:29:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 01:29:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2021-12-07 01:29:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2021-12-07 01:29:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:29:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:29:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2021-12-07 01:29:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2021-12-07 01:29:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2021-12-07 01:29:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2021-12-07 01:29:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2021-12-07 01:29:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2021-12-07 01:29:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-07 01:29:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-07 01:29:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 01:29:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 01:29:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-07 01:29:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-07 01:29:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-07 01:29:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-07 01:29:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-12-07 01:29:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-12-07 01:29:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-07 01:29:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-07 01:29:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2021-12-07 01:29:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2021-12-07 01:29:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2021-12-07 01:29:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2021-12-07 01:29:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 01:29:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 01:29:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:29:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2021-12-07 01:29:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2021-12-07 01:29:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2021-12-07 01:29:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2021-12-07 01:29:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-07 01:29:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 01:29:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 01:29:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-07 01:29:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-07 01:29:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-07 01:29:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-07 01:29:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2021-12-07 01:29:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2021-12-07 01:29:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:29:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2021-12-07 01:29:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2021-12-07 01:29:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2021-12-07 01:29:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2021-12-07 01:29:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2021-12-07 01:29:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2021-12-07 01:29:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:29:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2021-12-07 01:29:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2021-12-07 01:29:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2021-12-07 01:29:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2021-12-07 01:29:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:29:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:29:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2021-12-07 01:29:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2021-12-07 01:29:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:29:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:29:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2021-12-07 01:29:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2021-12-07 01:29:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2021-12-07 01:29:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2021-12-07 01:29:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2021-12-07 01:29:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2021-12-07 01:29:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2021-12-07 01:29:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2021-12-07 01:29:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-07 01:29:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-07 01:29:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2021-12-07 01:29:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2021-12-07 01:29:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:29:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:29:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2021-12-07 01:29:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2021-12-07 01:29:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2021-12-07 01:29:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2021-12-07 01:29:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:29:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:29:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-07 01:29:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-07 01:29:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:29:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:29:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2021-12-07 01:29:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2021-12-07 01:29:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 01:29:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 01:29:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-07 01:29:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-07 01:29:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:29:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:29:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:29:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:29:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2021-12-07 01:29:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2021-12-07 01:29:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2021-12-07 01:29:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2021-12-07 01:29:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2021-12-07 01:29:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2021-12-07 01:29:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2021-12-07 01:29:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2021-12-07 01:29:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2021-12-07 01:29:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2021-12-07 01:29:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-07 01:29:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-07 01:29:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2021-12-07 01:29:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2021-12-07 01:29:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2021-12-07 01:29:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2021-12-07 01:29:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-07 01:29:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-07 01:29:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-12-07 01:29:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-12-07 01:29:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 01:29:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 01:29:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-07 01:29:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-07 01:29:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2021-12-07 01:29:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2021-12-07 01:29:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2021-12-07 01:29:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2021-12-07 01:29:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2021-12-07 01:29:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2021-12-07 01:29:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2021-12-07 01:29:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2021-12-07 01:29:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2021-12-07 01:29:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2021-12-07 01:29:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:29:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:29:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:29:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:29:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2021-12-07 01:29:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2021-12-07 01:29:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-07 01:29:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-07 01:29:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:29:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:29:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2021-12-07 01:29:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2021-12-07 01:29:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2021-12-07 01:29:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2021-12-07 01:29:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2021-12-07 01:29:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2021-12-07 01:29:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 01:29:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 01:29:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-12-07 01:29:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-12-07 01:29:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2021-12-07 01:29:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2021-12-07 01:29:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:29:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:29:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:29:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:29:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2021-12-07 01:29:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2021-12-07 01:29:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-07 01:29:25,539 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-07 01:29:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-07 01:29:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-07 01:29:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2021-12-07 01:29:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2021-12-07 01:29:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2021-12-07 01:29:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2021-12-07 01:29:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2021-12-07 01:29:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2021-12-07 01:29:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-07 01:29:25,540 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-07 01:29:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2021-12-07 01:29:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2021-12-07 01:29:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:29:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2021-12-07 01:29:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2021-12-07 01:29:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2021-12-07 01:29:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2021-12-07 01:29:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-07 01:29:25,541 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-07 01:29:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 01:29:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 01:29:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 01:29:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 01:29:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-07 01:29:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-07 01:29:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2021-12-07 01:29:25,542 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2021-12-07 01:29:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-07 01:29:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-07 01:29:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2021-12-07 01:29:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2021-12-07 01:29:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 01:29:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 01:29:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2021-12-07 01:29:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2021-12-07 01:29:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2021-12-07 01:29:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2021-12-07 01:29:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 01:29:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 01:29:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2021-12-07 01:29:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2021-12-07 01:29:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2021-12-07 01:29:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2021-12-07 01:29:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2021-12-07 01:29:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2021-12-07 01:29:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:29:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:29:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:29:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:29:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2021-12-07 01:29:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2021-12-07 01:29:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-07 01:29:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-07 01:29:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2021-12-07 01:29:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2021-12-07 01:29:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-07 01:29:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-07 01:29:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:29:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-12-07 01:29:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-12-07 01:29:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2021-12-07 01:29:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2021-12-07 01:29:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:29:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:29:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2021-12-07 01:29:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2021-12-07 01:29:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-12-07 01:29:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-12-07 01:29:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2021-12-07 01:29:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2021-12-07 01:29:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2021-12-07 01:29:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2021-12-07 01:29:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2021-12-07 01:29:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2021-12-07 01:29:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 01:29:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 01:29:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-07 01:29:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-07 01:29:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2021-12-07 01:29:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2021-12-07 01:29:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2021-12-07 01:29:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2021-12-07 01:29:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2021-12-07 01:29:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2021-12-07 01:29:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2021-12-07 01:29:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2021-12-07 01:29:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-07 01:29:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-07 01:29:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-07 01:29:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-07 01:29:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2021-12-07 01:29:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2021-12-07 01:29:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2021-12-07 01:29:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2021-12-07 01:29:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2021-12-07 01:29:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2021-12-07 01:29:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2021-12-07 01:29:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2021-12-07 01:29:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-07 01:29:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-07 01:29:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-07 01:29:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-07 01:29:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-07 01:29:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-07 01:29:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-12-07 01:29:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-12-07 01:29:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2021-12-07 01:29:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2021-12-07 01:29:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2021-12-07 01:29:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2021-12-07 01:29:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:29:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:29:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2021-12-07 01:29:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2021-12-07 01:29:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2021-12-07 01:29:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2021-12-07 01:29:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2021-12-07 01:29:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2021-12-07 01:29:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2021-12-07 01:29:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2021-12-07 01:29:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2021-12-07 01:29:25,558 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2021-12-07 01:29:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:29:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2021-12-07 01:29:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2021-12-07 01:29:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-07 01:29:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2021-12-07 01:29:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2021-12-07 01:29:26,373 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:29:26,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:29:26,437 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:37:33,942 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:37:33,969 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:37:33,969 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:37:33,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:37:33 BoogieIcfgContainer [2021-12-07 01:37:33,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:37:33,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:37:33,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:37:33,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:37:33,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:29:20" (1/3) ... [2021-12-07 01:37:33,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d24bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:37:33, skipping insertion in model container [2021-12-07 01:37:33,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:29:24" (2/3) ... [2021-12-07 01:37:33,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d24bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:37:33, skipping insertion in model container [2021-12-07 01:37:33,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:37:33" (3/3) ... [2021-12-07 01:37:33,979 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-12-07 01:37:33,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:37:33,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:37:34,030 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:37:34,037 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 [2021-12-07 01:37:34,037 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:37:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 3664 states, 2568 states have (on average 1.3290498442367602) internal successors, (3413), 2623 states have internal predecessors, (3413), 911 states have call successors, (911), 184 states have call predecessors, (911), 183 states have return successors, (901), 896 states have call predecessors, (901), 901 states have call successors, (901) [2021-12-07 01:37:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-07 01:37:34,114 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:37:34,115 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] [2021-12-07 01:37:34,115 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:37:34,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:37:34,119 INFO L85 PathProgramCache]: Analyzing trace with hash -610793550, now seen corresponding path program 1 times [2021-12-07 01:37:34,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:37:34,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100605818] [2021-12-07 01:37:34,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:37:34,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:37:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:37:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:37:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:37:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:37:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:37:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:37:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-07 01:37:35,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:37:35,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100605818] [2021-12-07 01:37:35,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100605818] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:37:35,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:37:35,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:37:35,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527630382] [2021-12-07 01:37:35,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:37:35,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:37:35,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:37:35,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:37:35,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:37:35,277 INFO L87 Difference]: Start difference. First operand has 3664 states, 2568 states have (on average 1.3290498442367602) internal successors, (3413), 2623 states have internal predecessors, (3413), 911 states have call successors, (911), 184 states have call predecessors, (911), 183 states have return successors, (901), 896 states have call predecessors, (901), 901 states have call successors, (901) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-07 01:37:37,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:49,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:51,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:57,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:59,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:09,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:38:09,659 INFO L93 Difference]: Finished difference Result 12237 states and 18255 transitions. [2021-12-07 01:38:09,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:38:09,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2021-12-07 01:38:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:38:09,734 INFO L225 Difference]: With dead ends: 12237 [2021-12-07 01:38:09,734 INFO L226 Difference]: Without dead ends: 8539 [2021-12-07 01:38:09,771 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 [2021-12-07 01:38:09,774 INFO L933 BasicCegarLoop]: 5614 mSDtfsCounter, 7737 mSDsluCounter, 6657 mSDsCounter, 0 mSdLazyCounter, 4296 mSolverCounterSat, 3117 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8469 SdHoareTripleChecker+Valid, 12271 SdHoareTripleChecker+Invalid, 7418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3117 IncrementalHoareTripleChecker+Valid, 4296 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:38:09,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8469 Valid, 12271 Invalid, 7418 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3117 Valid, 4296 Invalid, 5 Unknown, 0 Unchecked, 33.5s Time] [2021-12-07 01:38:09,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8539 states. [2021-12-07 01:38:10,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8539 to 7401. [2021-12-07 01:38:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7401 states, 5232 states have (on average 1.326834862385321) internal successors, (6942), 5324 states have internal predecessors, (6942), 1795 states have call successors, (1795), 353 states have call predecessors, (1795), 373 states have return successors, (1933), 1802 states have call predecessors, (1933), 1793 states have call successors, (1933) [2021-12-07 01:38:10,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7401 states to 7401 states and 10670 transitions. [2021-12-07 01:38:10,179 INFO L78 Accepts]: Start accepts. Automaton has 7401 states and 10670 transitions. Word has length 69 [2021-12-07 01:38:10,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:38:10,180 INFO L470 AbstractCegarLoop]: Abstraction has 7401 states and 10670 transitions. [2021-12-07 01:38:10,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-07 01:38:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 7401 states and 10670 transitions. [2021-12-07 01:38:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-07 01:38:10,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:38:10,188 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:10,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:38:10,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:10,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:10,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1761226386, now seen corresponding path program 1 times [2021-12-07 01:38:10,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:10,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516976963] [2021-12-07 01:38:10,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:10,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:38:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:38:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:38:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:38:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-07 01:38:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-07 01:38:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:38:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:38:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 01:38:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 01:38:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-07 01:38:11,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:11,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516976963] [2021-12-07 01:38:11,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516976963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:38:11,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:38:11,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:38:11,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856509587] [2021-12-07 01:38:11,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:38:11,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:38:11,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:38:11,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:38:11,045 INFO L87 Difference]: Start difference. First operand 7401 states and 10670 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 01:38:13,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:29,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:31,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:37,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:39,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:48,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:38:48,776 INFO L93 Difference]: Finished difference Result 24130 states and 35280 transitions. [2021-12-07 01:38:48,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:38:48,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2021-12-07 01:38:48,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:38:48,881 INFO L225 Difference]: With dead ends: 24130 [2021-12-07 01:38:48,881 INFO L226 Difference]: Without dead ends: 16741 [2021-12-07 01:38:48,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:38:48,914 INFO L933 BasicCegarLoop]: 5837 mSDtfsCounter, 8067 mSDsluCounter, 6782 mSDsCounter, 0 mSdLazyCounter, 4440 mSolverCounterSat, 3210 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8827 SdHoareTripleChecker+Valid, 12619 SdHoareTripleChecker+Invalid, 7655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3210 IncrementalHoareTripleChecker+Valid, 4440 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:38:48,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8827 Valid, 12619 Invalid, 7655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3210 Valid, 4440 Invalid, 5 Unknown, 0 Unchecked, 36.7s Time] [2021-12-07 01:38:48,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16741 states. [2021-12-07 01:38:49,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16741 to 13998. [2021-12-07 01:38:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13998 states, 9866 states have (on average 1.3241435232110277) internal successors, (13064), 10043 states have internal predecessors, (13064), 3422 states have call successors, (3422), 690 states have call predecessors, (3422), 709 states have return successors, (3569), 3415 states have call predecessors, (3569), 3419 states have call successors, (3569) [2021-12-07 01:38:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13998 states to 13998 states and 20055 transitions. [2021-12-07 01:38:49,437 INFO L78 Accepts]: Start accepts. Automaton has 13998 states and 20055 transitions. Word has length 113 [2021-12-07 01:38:49,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:38:49,438 INFO L470 AbstractCegarLoop]: Abstraction has 13998 states and 20055 transitions. [2021-12-07 01:38:49,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 01:38:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 13998 states and 20055 transitions. [2021-12-07 01:38:49,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-07 01:38:49,445 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:38:49,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:38:49,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:38:49,446 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:38:49,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:38:49,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1071043522, now seen corresponding path program 1 times [2021-12-07 01:38:49,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:38:49,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579919028] [2021-12-07 01:38:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:38:49,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:38:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:38:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:38:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:38:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:38:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:38:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:38:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:38:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:38:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:38:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-07 01:38:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 01:38:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 01:38:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:38:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:38:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 01:38:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:38:50,162 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-07 01:38:50,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:38:50,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579919028] [2021-12-07 01:38:50,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579919028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:38:50,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:38:50,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:38:50,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566200727] [2021-12-07 01:38:50,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:38:50,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:38:50,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:38:50,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:38:50,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:38:50,164 INFO L87 Difference]: Start difference. First operand 13998 states and 20055 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-07 01:38:52,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:54,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:56,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:39:26,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:39:28,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:39:41,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:39:43,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:40:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:40:14,811 INFO L93 Difference]: Finished difference Result 47041 states and 68681 transitions. [2021-12-07 01:40:14,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:40:14,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 155 [2021-12-07 01:40:14,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:40:14,944 INFO L225 Difference]: With dead ends: 47041 [2021-12-07 01:40:14,944 INFO L226 Difference]: Without dead ends: 33031 [2021-12-07 01:40:14,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:40:14,997 INFO L933 BasicCegarLoop]: 7577 mSDtfsCounter, 10026 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 12690 mSolverCounterSat, 6994 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10763 SdHoareTripleChecker+Valid, 9918 SdHoareTripleChecker+Invalid, 19691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6994 IncrementalHoareTripleChecker+Valid, 12690 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:40:14,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10763 Valid, 9918 Invalid, 19691 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6994 Valid, 12690 Invalid, 7 Unknown, 0 Unchecked, 82.8s Time] [2021-12-07 01:40:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33031 states. [2021-12-07 01:40:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33031 to 27088. [2021-12-07 01:40:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27088 states, 19076 states have (on average 1.3234430698259594) internal successors, (25246), 19395 states have internal predecessors, (25246), 6642 states have call successors, (6642), 1354 states have call predecessors, (6642), 1369 states have return successors, (6804), 6613 states have call predecessors, (6804), 6635 states have call successors, (6804) [2021-12-07 01:40:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27088 states to 27088 states and 38692 transitions. [2021-12-07 01:40:16,053 INFO L78 Accepts]: Start accepts. Automaton has 27088 states and 38692 transitions. Word has length 155 [2021-12-07 01:40:16,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:40:16,053 INFO L470 AbstractCegarLoop]: Abstraction has 27088 states and 38692 transitions. [2021-12-07 01:40:16,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-07 01:40:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 27088 states and 38692 transitions. [2021-12-07 01:40:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-07 01:40:16,060 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:40:16,060 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:40:16,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:40:16,060 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:40:16,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:40:16,061 INFO L85 PathProgramCache]: Analyzing trace with hash -97875339, now seen corresponding path program 1 times [2021-12-07 01:40:16,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:40:16,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120624945] [2021-12-07 01:40:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:40:16,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:40:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:40:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:40:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:40:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:40:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-07 01:40:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:40:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:40:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:40:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 01:40:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:40:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-07 01:40:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:40:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 01:40:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 01:40:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:40:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-07 01:40:16,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:40:16,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120624945] [2021-12-07 01:40:16,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120624945] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:40:16,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:40:16,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:40:16,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40015477] [2021-12-07 01:40:16,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:40:16,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:40:16,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:40:16,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:40:16,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:40:16,821 INFO L87 Difference]: Start difference. First operand 27088 states and 38692 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 01:40:18,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:40:21,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:40:44,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:40:47,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:40:55,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:40:57,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:41:09,907 INFO L93 Difference]: Finished difference Result 68989 states and 102826 transitions. [2021-12-07 01:41:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:41:09,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2021-12-07 01:41:09,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:41:10,067 INFO L225 Difference]: With dead ends: 68989 [2021-12-07 01:41:10,067 INFO L226 Difference]: Without dead ends: 41913 [2021-12-07 01:41:10,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:41:10,144 INFO L933 BasicCegarLoop]: 5394 mSDtfsCounter, 5019 mSDsluCounter, 14280 mSDsCounter, 0 mSdLazyCounter, 7398 mSolverCounterSat, 3343 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5264 SdHoareTripleChecker+Valid, 19674 SdHoareTripleChecker+Invalid, 10747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3343 IncrementalHoareTripleChecker+Valid, 7398 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:41:10,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5264 Valid, 19674 Invalid, 10747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3343 Valid, 7398 Invalid, 6 Unknown, 0 Unchecked, 51.2s Time] [2021-12-07 01:41:10,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41913 states. [2021-12-07 01:41:11,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41913 to 27866. [2021-12-07 01:41:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27866 states, 19687 states have (on average 1.3259003403261036) internal successors, (26103), 20008 states have internal predecessors, (26103), 6782 states have call successors, (6782), 1354 states have call predecessors, (6782), 1396 states have return successors, (7164), 6780 states have call predecessors, (7164), 6775 states have call successors, (7164) [2021-12-07 01:41:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27866 states to 27866 states and 40049 transitions. [2021-12-07 01:41:11,353 INFO L78 Accepts]: Start accepts. Automaton has 27866 states and 40049 transitions. Word has length 151 [2021-12-07 01:41:11,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:41:11,354 INFO L470 AbstractCegarLoop]: Abstraction has 27866 states and 40049 transitions. [2021-12-07 01:41:11,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 01:41:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 27866 states and 40049 transitions. [2021-12-07 01:41:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-07 01:41:11,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:41:11,360 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:41:11,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:41:11,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:41:11,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:41:11,361 INFO L85 PathProgramCache]: Analyzing trace with hash -494134137, now seen corresponding path program 1 times [2021-12-07 01:41:11,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:41:11,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640082695] [2021-12-07 01:41:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:41:11,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:41:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:41:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:41:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:41:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:41:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:41:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:41:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:41:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:41:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-07 01:41:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-07 01:41:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:41:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 01:41:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:41:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:41:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:41:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:41:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:41:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-07 01:41:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:41:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-07 01:41:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-07 01:41:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:41:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-07 01:41:12,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:41:12,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640082695] [2021-12-07 01:41:12,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640082695] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:41:12,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:41:12,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:41:12,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550828670] [2021-12-07 01:41:12,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:41:12,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:41:12,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:41:12,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:41:12,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:41:12,124 INFO L87 Difference]: Start difference. First operand 27866 states and 40049 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:41:14,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:16,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:18,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:42,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:44,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:53,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:41:55,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:42:08,607 INFO L93 Difference]: Finished difference Result 69560 states and 103824 transitions. [2021-12-07 01:42:08,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:42:08,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 159 [2021-12-07 01:42:08,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:42:08,747 INFO L225 Difference]: With dead ends: 69560 [2021-12-07 01:42:08,747 INFO L226 Difference]: Without dead ends: 41572 [2021-12-07 01:42:08,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:42:08,825 INFO L933 BasicCegarLoop]: 5260 mSDtfsCounter, 4230 mSDsluCounter, 14476 mSDsCounter, 0 mSdLazyCounter, 7362 mSolverCounterSat, 3075 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 19736 SdHoareTripleChecker+Invalid, 10444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3075 IncrementalHoareTripleChecker+Valid, 7362 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:42:08,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4477 Valid, 19736 Invalid, 10444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3075 Valid, 7362 Invalid, 7 Unknown, 0 Unchecked, 54.2s Time] [2021-12-07 01:42:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41572 states. [2021-12-07 01:42:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41572 to 27764. [2021-12-07 01:42:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27764 states, 19625 states have (on average 1.3261146496815286) internal successors, (26025), 19938 states have internal predecessors, (26025), 6762 states have call successors, (6762), 1340 states have call predecessors, (6762), 1376 states have return successors, (7132), 6752 states have call predecessors, (7132), 6743 states have call successors, (7132) [2021-12-07 01:42:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27764 states to 27764 states and 39919 transitions. [2021-12-07 01:42:09,938 INFO L78 Accepts]: Start accepts. Automaton has 27764 states and 39919 transitions. Word has length 159 [2021-12-07 01:42:09,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:42:09,938 INFO L470 AbstractCegarLoop]: Abstraction has 27764 states and 39919 transitions. [2021-12-07 01:42:09,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:42:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 27764 states and 39919 transitions. [2021-12-07 01:42:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-07 01:42:09,944 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:42:09,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:42:09,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:42:09,945 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:42:09,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:42:09,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1019010185, now seen corresponding path program 1 times [2021-12-07 01:42:09,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:42:09,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345238832] [2021-12-07 01:42:09,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:42:09,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:42:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:42:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:42:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:42:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:42:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-07 01:42:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:42:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:42:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:42:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 01:42:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-07 01:42:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-07 01:42:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:42:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 01:42:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-07 01:42:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-07 01:42:10,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:42:10,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345238832] [2021-12-07 01:42:10,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345238832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:42:10,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:42:10,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:42:10,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033646518] [2021-12-07 01:42:10,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:42:10,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:42:10,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:42:10,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:42:10,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:42:10,721 INFO L87 Difference]: Start difference. First operand 27764 states and 39919 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:42:12,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:30,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:32,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:38,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:40,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:42:47,337 INFO L93 Difference]: Finished difference Result 54593 states and 79589 transitions. [2021-12-07 01:42:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:42:47,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 181 [2021-12-07 01:42:47,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:42:47,423 INFO L225 Difference]: With dead ends: 54593 [2021-12-07 01:42:47,423 INFO L226 Difference]: Without dead ends: 26771 [2021-12-07 01:42:47,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:42:47,490 INFO L933 BasicCegarLoop]: 4770 mSDtfsCounter, 1732 mSDsluCounter, 10656 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 1140 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 15426 SdHoareTripleChecker+Invalid, 5641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1140 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:42:47,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2028 Valid, 15426 Invalid, 5641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1140 Valid, 4496 Invalid, 5 Unknown, 0 Unchecked, 35.3s Time] [2021-12-07 01:42:47,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26771 states. [2021-12-07 01:42:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26771 to 22255. [2021-12-07 01:42:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22255 states, 15779 states have (on average 1.3296786868622854) internal successors, (20981), 16026 states have internal predecessors, (20981), 5358 states have call successors, (5358), 1077 states have call predecessors, (5358), 1117 states have return successors, (5724), 5362 states have call predecessors, (5724), 5345 states have call successors, (5724) [2021-12-07 01:42:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22255 states to 22255 states and 32063 transitions. [2021-12-07 01:42:48,247 INFO L78 Accepts]: Start accepts. Automaton has 22255 states and 32063 transitions. Word has length 181 [2021-12-07 01:42:48,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:42:48,247 INFO L470 AbstractCegarLoop]: Abstraction has 22255 states and 32063 transitions. [2021-12-07 01:42:48,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:42:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 22255 states and 32063 transitions. [2021-12-07 01:42:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-07 01:42:48,251 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:42:48,251 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:42:48,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:42:48,251 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:42:48,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:42:48,251 INFO L85 PathProgramCache]: Analyzing trace with hash 868780478, now seen corresponding path program 1 times [2021-12-07 01:42:48,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:42:48,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703375445] [2021-12-07 01:42:48,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:42:48,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:42:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:42:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:42:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:42:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 01:42:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-07 01:42:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:42:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 01:42:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-07 01:42:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 01:42:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 01:42:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-07 01:42:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-07 01:42:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:42:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:42:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-07 01:42:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:42:49,240 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-07 01:42:49,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:42:49,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703375445] [2021-12-07 01:42:49,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703375445] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:42:49,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:42:49,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:42:49,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764767852] [2021-12-07 01:42:49,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:42:49,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:42:49,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:42:49,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:42:49,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:42:49,242 INFO L87 Difference]: Start difference. First operand 22255 states and 32063 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-07 01:42:51,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:42:53,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []