./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc81a0fdf5a8fc47bd520d0ffd4783aee7bab8a9ab782dc4fa625b3bc33bce33 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 00:11:49,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:11:49,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:11:49,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:11:49,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:11:49,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:11:49,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:11:49,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:11:49,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:11:49,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:11:49,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:11:49,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:11:49,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:11:49,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:11:49,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:11:49,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:11:49,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:11:49,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:11:49,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:11:49,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:11:49,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:11:49,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:11:49,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:11:49,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:11:49,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:11:49,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:11:49,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:11:49,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:11:49,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:11:49,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:11:49,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:11:49,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:11:49,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:11:49,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:11:49,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:11:49,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:11:49,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:11:49,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:11:49,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:11:49,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:11:49,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:11:49,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 00:11:49,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:11:49,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:11:49,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 00:11:49,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 00:11:49,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:11:49,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:11:49,828 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 00:11:49,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:11:49,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:11:49,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:11:49,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:11:49,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:11:49,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:11:49,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:11:49,830 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:11:49,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:11:49,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:11:49,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 00:11:49,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 00:11:49,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 00:11:49,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:11:49,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:11:49,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:11:49,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 00:11:49,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:11:49,833 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 00:11:49,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 00:11:49,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:11:49,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 00:11:49,834 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc81a0fdf5a8fc47bd520d0ffd4783aee7bab8a9ab782dc4fa625b3bc33bce33 [2021-11-23 00:11:50,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:11:50,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:11:50,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:11:50,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:11:50,117 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:11:50,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-11-23 00:11:50,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f263ec94d/742d16896caa496c80a12cd4f0f08c6e/FLAG3484e636e [2021-11-23 00:11:51,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:11:51,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-11-23 00:11:51,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f263ec94d/742d16896caa496c80a12cd4f0f08c6e/FLAG3484e636e [2021-11-23 00:11:51,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f263ec94d/742d16896caa496c80a12cd4f0f08c6e [2021-11-23 00:11:51,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:11:51,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:11:51,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:11:51,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:11:51,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:11:51,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:51" (1/1) ... [2021-11-23 00:11:51,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfdf793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:51, skipping insertion in model container [2021-11-23 00:11:51,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:51" (1/1) ... [2021-11-23 00:11:51,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:11:51,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:11:56,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[494254,494267] [2021-11-23 00:11:56,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:11:56,191 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:11:56,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[494254,494267] [2021-11-23 00:11:56,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:11:56,997 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:11:56,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56 WrapperNode [2021-11-23 00:11:56,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:11:57,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:11:57,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:11:57,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:11:57,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:11:57,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:01,550 INFO L137 Inliner]: procedures = 589, calls = 5722, calls flagged for inlining = 1357, calls inlined = 11105, statements flattened = 177779 [2021-11-23 00:12:01,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:12:01,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:12:01,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:12:01,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:12:01,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:01,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:02,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:02,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:05,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:05,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:05,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:06,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:12:06,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:12:06,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:12:06,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:12:06,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (1/1) ... [2021-11-23 00:12:06,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 00:12:06,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 00:12:06,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 00:12:06,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 00:12:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-23 00:12:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2021-11-23 00:12:06,799 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2021-11-23 00:12:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-23 00:12:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:12:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 00:12:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2021-11-23 00:12:06,800 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2021-11-23 00:12:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 00:12:06,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 00:12:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 00:12:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:12:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2021-11-23 00:12:06,801 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2021-11-23 00:12:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:12:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:12:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2021-11-23 00:12:06,801 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2021-11-23 00:12:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:12:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 00:12:06,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 00:12:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 00:12:06,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 00:12:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2021-11-23 00:12:06,802 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2021-11-23 00:12:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2021-11-23 00:12:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2021-11-23 00:12:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:12:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:12:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 00:12:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 00:12:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2021-11-23 00:12:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2021-11-23 00:12:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:12:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:12:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:12:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2021-11-23 00:12:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2021-11-23 00:12:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2021-11-23 00:12:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2021-11-23 00:12:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2021-11-23 00:12:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2021-11-23 00:12:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2021-11-23 00:12:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2021-11-23 00:12:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:12:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2021-11-23 00:12:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2021-11-23 00:12:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2021-11-23 00:12:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2021-11-23 00:12:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2021-11-23 00:12:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2021-11-23 00:12:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:12:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 00:12:08,380 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:12:08,381 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:20:04,982 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:20:05,097 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:20:05,097 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:20:05,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:20:05 BoogieIcfgContainer [2021-11-23 00:20:05,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:20:05,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 00:20:05,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 00:20:05,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 00:20:05,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:11:51" (1/3) ... [2021-11-23 00:20:05,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ce460e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:20:05, skipping insertion in model container [2021-11-23 00:20:05,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:56" (2/3) ... [2021-11-23 00:20:05,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ce460e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:20:05, skipping insertion in model container [2021-11-23 00:20:05,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:20:05" (3/3) ... [2021-11-23 00:20:05,129 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-11-23 00:20:05,132 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 00:20:05,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-23 00:20:05,231 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 00:20:05,236 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 00:20:05,237 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-23 00:20:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 24293 states, 24175 states have (on average 1.3645915201654601) internal successors, (32989), 24185 states have internal predecessors, (32989), 96 states have call successors, (96), 17 states have call predecessors, (96), 17 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2021-11-23 00:20:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:20:05,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:20:05,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:20:05,504 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, qat_crypto_free_instancesErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 00:20:05,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:20:05,511 INFO L85 PathProgramCache]: Analyzing trace with hash 713665870, now seen corresponding path program 1 times [2021-11-23 00:20:05,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:20:05,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307703216] [2021-11-23 00:20:05,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:20:05,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:20:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:20:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:20:06,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:20:06,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307703216] [2021-11-23 00:20:06,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307703216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:20:06,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:20:06,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 00:20:06,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264702668] [2021-11-23 00:20:06,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:20:06,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 00:20:06,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:20:06,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 00:20:06,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 00:20:06,945 INFO L87 Difference]: Start difference. First operand has 24293 states, 24175 states have (on average 1.3645915201654601) internal successors, (32989), 24185 states have internal predecessors, (32989), 96 states have call successors, (96), 17 states have call predecessors, (96), 17 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 00:20:08,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:20:08,396 INFO L93 Difference]: Finished difference Result 49838 states and 68224 transitions. [2021-11-23 00:20:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 00:20:08,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-23 00:20:08,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:20:08,551 INFO L225 Difference]: With dead ends: 49838 [2021-11-23 00:20:08,551 INFO L226 Difference]: Without dead ends: 25425 [2021-11-23 00:20:08,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 00:20:08,790 INFO L933 BasicCegarLoop]: 34691 mSDtfsCounter, 3640 mSDsluCounter, 65690 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3640 SdHoareTripleChecker+Valid, 100381 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 00:20:08,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3640 Valid, 100381 Invalid, 94 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 00:20:08,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25425 states. [2021-11-23 00:20:09,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25425 to 24167. [2021-11-23 00:20:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24167 states, 24050 states have (on average 1.3539708939708939) internal successors, (32563), 24059 states have internal predecessors, (32563), 96 states have call successors, (96), 17 states have call predecessors, (96), 17 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2021-11-23 00:20:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24167 states to 24167 states and 32755 transitions. [2021-11-23 00:20:09,648 INFO L78 Accepts]: Start accepts. Automaton has 24167 states and 32755 transitions. Word has length 42 [2021-11-23 00:20:09,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:20:09,649 INFO L470 AbstractCegarLoop]: Abstraction has 24167 states and 32755 transitions. [2021-11-23 00:20:09,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 00:20:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 24167 states and 32755 transitions. [2021-11-23 00:20:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:20:09,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:20:09,654 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:20:09,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 00:20:09,655 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, qat_crypto_free_instancesErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 00:20:09,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:20:09,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2065380540, now seen corresponding path program 1 times [2021-11-23 00:20:09,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:20:09,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430197704] [2021-11-23 00:20:09,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:20:09,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:20:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:20:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:20:10,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:20:10,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430197704] [2021-11-23 00:20:10,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430197704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:20:10,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:20:10,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 00:20:10,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798305596] [2021-11-23 00:20:10,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:20:10,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:20:10,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:20:10,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:20:10,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:20:10,419 INFO L87 Difference]: Start difference. First operand 24167 states and 32755 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 00:20:11,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:20:11,334 INFO L93 Difference]: Finished difference Result 48313 states and 65582 transitions. [2021-11-23 00:20:11,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:20:11,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-23 00:20:11,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:20:11,488 INFO L225 Difference]: With dead ends: 48313 [2021-11-23 00:20:11,489 INFO L226 Difference]: Without dead ends: 24139 [2021-11-23 00:20:11,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:20:11,670 INFO L933 BasicCegarLoop]: 32744 mSDtfsCounter, 32700 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32700 SdHoareTripleChecker+Valid, 32744 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 00:20:11,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32700 Valid, 32744 Invalid, 6 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 00:20:11,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24139 states. [2021-11-23 00:20:12,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24139 to 24139. [2021-11-23 00:20:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24139 states, 24023 states have (on average 1.3539940889980435) internal successors, (32527), 24035 states have internal predecessors, (32527), 96 states have call successors, (96), 17 states have call predecessors, (96), 17 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2021-11-23 00:20:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24139 states to 24139 states and 32715 transitions. [2021-11-23 00:20:12,425 INFO L78 Accepts]: Start accepts. Automaton has 24139 states and 32715 transitions. Word has length 49 [2021-11-23 00:20:12,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:20:12,426 INFO L470 AbstractCegarLoop]: Abstraction has 24139 states and 32715 transitions. [2021-11-23 00:20:12,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 00:20:12,426 INFO L276 IsEmpty]: Start isEmpty. Operand 24139 states and 32715 transitions. [2021-11-23 00:20:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:20:12,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:20:12,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:20:12,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 00:20:12,436 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting qat_crypto_free_instancesErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, qat_crypto_free_instancesErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 00:20:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:20:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1312526221, now seen corresponding path program 1 times [2021-11-23 00:20:12,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:20:12,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014449248] [2021-11-23 00:20:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:20:12,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:20:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:20:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:20:13,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:20:13,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014449248] [2021-11-23 00:20:13,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014449248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:20:13,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:20:13,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:20:13,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003612626] [2021-11-23 00:20:13,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:20:13,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:20:13,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:20:13,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:20:13,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:20:13,220 INFO L87 Difference]: Start difference. First operand 24139 states and 32715 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 00:20:15,350 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 [] [2021-11-23 00:20:16,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:20:16,825 INFO L93 Difference]: Finished difference Result 72181 states and 97822 transitions. [2021-11-23 00:20:16,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:20:16,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-23 00:20:16,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:20:17,072 INFO L225 Difference]: With dead ends: 72181 [2021-11-23 00:20:17,074 INFO L226 Difference]: Without dead ends: 48058 [2021-11-23 00:20:17,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:20:17,211 INFO L933 BasicCegarLoop]: 32779 mSDtfsCounter, 32580 mSDsluCounter, 32523 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32580 SdHoareTripleChecker+Valid, 65302 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-23 00:20:17,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32580 Valid, 65302 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-11-23 00:20:17,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48058 states. [2021-11-23 00:20:18,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48058 to 48049. [2021-11-23 00:20:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48049 states, 47852 states have (on average 1.3542171696062861) internal successors, (64802), 47870 states have internal predecessors, (64802), 160 states have call successors, (160), 34 states have call predecessors, (160), 34 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2021-11-23 00:20:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48049 states to 48049 states and 65118 transitions. [2021-11-23 00:20:18,635 INFO L78 Accepts]: Start accepts. Automaton has 48049 states and 65118 transitions. Word has length 75 [2021-11-23 00:20:18,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:20:18,637 INFO L470 AbstractCegarLoop]: Abstraction has 48049 states and 65118 transitions. [2021-11-23 00:20:18,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 00:20:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 48049 states and 65118 transitions. [2021-11-23 00:20:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:20:18,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:20:18,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 00:20:18,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 00:20:18,651 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, qat_crypto_free_instancesErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 00:20:18,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:20:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash 516170223, now seen corresponding path program 1 times [2021-11-23 00:20:18,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:20:18,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614239760] [2021-11-23 00:20:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:20:18,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:20:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:20:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:20:19,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:20:19,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614239760] [2021-11-23 00:20:19,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614239760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:20:19,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:20:19,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:20:19,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932561995] [2021-11-23 00:20:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:20:19,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:20:19,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:20:19,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:20:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:20:19,340 INFO L87 Difference]: Start difference. First operand 48049 states and 65118 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 00:20:21,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:20:21,851 INFO L93 Difference]: Finished difference Result 142674 states and 193427 transitions. [2021-11-23 00:20:21,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:20:21,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-23 00:20:21,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:20:22,215 INFO L225 Difference]: With dead ends: 142674 [2021-11-23 00:20:22,216 INFO L226 Difference]: Without dead ends: 94641 [2021-11-23 00:20:22,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:20:22,412 INFO L933 BasicCegarLoop]: 58869 mSDtfsCounter, 31797 mSDsluCounter, 32585 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31797 SdHoareTripleChecker+Valid, 91454 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 00:20:22,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31797 Valid, 91454 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 00:20:22,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94641 states.