./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-32_7a-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 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 06:33:09,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 06:33:09,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 06:33:09,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 06:33:09,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 06:33:09,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 06:33:09,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 06:33:09,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 06:33:09,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 06:33:09,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 06:33:09,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 06:33:09,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 06:33:09,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 06:33:09,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 06:33:09,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 06:33:09,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 06:33:09,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 06:33:09,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 06:33:09,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 06:33:09,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 06:33:09,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 06:33:09,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 06:33:09,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 06:33:09,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 06:33:09,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 06:33:09,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 06:33:09,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 06:33:09,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 06:33:09,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 06:33:09,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 06:33:09,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 06:33:09,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 06:33:09,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 06:33:09,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 06:33:09,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 06:33:09,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 06:33:09,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 06:33:09,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 06:33:09,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 06:33:09,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 06:33:09,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 06:33:09,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 06:33:09,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 06:33:09,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 06:33:09,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 06:33:09,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 06:33:09,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 06:33:09,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 06:33:09,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 06:33:09,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 06:33:09,585 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 06:33:09,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 06:33:09,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 06:33:09,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 06:33:09,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 06:33:09,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 06:33:09,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 06:33:09,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 06:33:09,586 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 06:33:09,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 06:33:09,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 06:33:09,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 06:33:09,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 06:33:09,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:33:09,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 06:33:09,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 06:33:09,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 06:33:09,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 06:33:09,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 06:33:09,587 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 06:33:09,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 06:33:09,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 06:33:09,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 06:33:09,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41edc158abcf0831f60232e2dc3100ccfbc5bbe41c3891afbd4b491083891a1a [2021-12-18 06:33:09,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 06:33:09,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 06:33:09,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 06:33:09,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 06:33:09,786 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 06:33:09,787 INFO L432 ainManager$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-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-12-18 06:33:09,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eb76cb6/fcf67dab3a3540dd9a52a15339c4b114/FLAG5b3f7d1a3 [2021-12-18 06:33:10,572 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 06:33:10,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-12-18 06:33:10,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eb76cb6/fcf67dab3a3540dd9a52a15339c4b114/FLAG5b3f7d1a3 [2021-12-18 06:33:10,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4eb76cb6/fcf67dab3a3540dd9a52a15339c4b114 [2021-12-18 06:33:10,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 06:33:10,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 06:33:10,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 06:33:10,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 06:33:10,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 06:33:10,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:33:10" (1/1) ... [2021-12-18 06:33:10,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2cf792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:10, skipping insertion in model container [2021-12-18 06:33:10,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:33:10" (1/1) ... [2021-12-18 06:33:10,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 06:33:10,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:33:15,003 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-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[516583,516596] [2021-12-18 06:33:15,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:33:15,543 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 06:33:15,967 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-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i[516583,516596] [2021-12-18 06:33:15,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:33:16,204 INFO L208 MainTranslator]: Completed translation [2021-12-18 06:33:16,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16 WrapperNode [2021-12-18 06:33:16,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 06:33:16,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 06:33:16,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 06:33:16,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 06:33:16,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,621 INFO L137 Inliner]: procedures = 781, calls = 6072, calls flagged for inlining = 295, calls inlined = 255, statements flattened = 11643 [2021-12-18 06:33:16,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 06:33:16,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 06:33:16,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 06:33:16,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 06:33:16,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:16,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:17,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 06:33:17,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 06:33:17,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 06:33:17,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 06:33:17,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (1/1) ... [2021-12-18 06:33:17,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:33:17,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:33:17,110 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) [2021-12-18 06:33:17,126 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 [2021-12-18 06:33:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_ae_csr [2021-12-18 06:33:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_ae_csr [2021-12-18 06:33:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-18 06:33:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-18 06:33:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-18 06:33:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure adf_error_detected [2021-12-18 06:33:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_error_detected [2021-12-18 06:33:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-18 06:33:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-18 06:33:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ring_read_lock [2021-12-18 06:33:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ring_read_lock [2021-12-18 06:33:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 06:33:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 06:33:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 06:33:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 06:33:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_disable_ctx [2021-12-18 06:33:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_disable_ctx [2021-12-18 06:33:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_reg_addr [2021-12-18 06:33:17,141 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_reg_addr [2021-12-18 06:33:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_aead_cast [2021-12-18 06:33:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_aead_cast [2021-12-18 06:33:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 06:33:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 06:33:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_tfm [2021-12-18 06:33:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_tfm [2021-12-18 06:33:17,142 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_ctx [2021-12-18 06:33:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_ctx [2021-12-18 06:33:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_shutdown [2021-12-18 06:33:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_shutdown [2021-12-18 06:33:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_rel_reg [2021-12-18 06:33:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_rel_reg [2021-12-18 06:33:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 06:33:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 06:33:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-18 06:33:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-18 06:33:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-18 06:33:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-18 06:33:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-18 06:33:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 06:33:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 06:33:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_head [2021-12-18 06:33:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_head [2021-12-18 06:33:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 06:33:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 06:33:17,146 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_del_all [2021-12-18 06:33:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_del_all [2021-12-18 06:33:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_init [2021-12-18 06:33:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_init [2021-12-18 06:33:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 06:33:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 06:33:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_unregister [2021-12-18 06:33:17,147 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_unregister [2021-12-18 06:33:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2021-12-18 06:33:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2021-12-18 06:33:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 06:33:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_open [2021-12-18 06:33:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_open [2021-12-18 06:33:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_free_bufl [2021-12-18 06:33:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_free_bufl [2021-12-18 06:33:17,149 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 06:33:17,149 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 06:33:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-12-18 06:33:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-12-18 06:33:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-18 06:33:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-18 06:33:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_find_chunk [2021-12-18 06:33:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_find_chunk [2021-12-18 06:33:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 06:33:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 06:33:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 06:33:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_init_reg [2021-12-18 06:33:17,151 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_init_reg [2021-12-18 06:33:17,151 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 06:33:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 06:33:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 06:33:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 06:33:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 06:33:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 06:33:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_create_batch_init_list [2021-12-18 06:33:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_create_batch_init_list [2021-12-18 06:33:17,152 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_init_rd_xfer [2021-12-18 06:33:17,152 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_init_rd_xfer [2021-12-18 06:33:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 06:33:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 06:33:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 06:33:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 06:33:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 06:33:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 06:33:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_parity_64bit [2021-12-18 06:33:17,153 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_parity_64bit [2021-12-18 06:33:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 06:33:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 06:33:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 06:33:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_indr_csr [2021-12-18 06:33:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_indr_csr [2021-12-18 06:33:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure adf_unreserve_ring [2021-12-18 06:33:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_unreserve_ring [2021-12-18 06:33:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 06:33:17,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 06:33:17,155 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-12-18 06:33:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-12-18 06:33:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 06:33:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 06:33:17,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-12-18 06:33:17,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-12-18 06:33:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_del_all [2021-12-18 06:33:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_del_all [2021-12-18 06:33:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_show [2021-12-18 06:33:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_show [2021-12-18 06:33:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 06:33:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 06:33:17,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 06:33:17,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 06:33:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_deinit [2021-12-18 06:33:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_deinit [2021-12-18 06:33:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 06:33:17,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 06:33:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-12-18 06:33:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-12-18 06:33:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 06:33:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 06:33:17,161 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 06:33:17,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 06:33:17,162 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-18 06:33:17,162 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-18 06:33:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_ae_lm_mode [2021-12-18 06:33:17,163 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_ae_lm_mode [2021-12-18 06:33:17,163 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ae_fw_release [2021-12-18 06:33:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ae_fw_release [2021-12-18 06:33:17,166 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_ctx [2021-12-18 06:33:17,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_ctx [2021-12-18 06:33:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_operations_3 [2021-12-18 06:33:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_operations_3 [2021-12-18 06:33:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_service_lock [2021-12-18 06:33:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_service_lock [2021-12-18 06:33:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-18 06:33:17,167 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-18 06:33:17,167 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 06:33:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 06:33:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 06:33:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 06:33:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 06:33:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 06:33:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarted_notify [2021-12-18 06:33:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarted_notify [2021-12-18 06:33:17,168 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_shutdown [2021-12-18 06:33:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_shutdown [2021-12-18 06:33:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_open [2021-12-18 06:33:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_open [2021-12-18 06:33:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-18 06:33:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-18 06:33:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 06:33:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 06:33:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_reqtfm [2021-12-18 06:33:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_reqtfm [2021-12-18 06:33:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 06:33:17,170 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 06:33:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 06:33:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_indr_csr [2021-12-18 06:33:17,170 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_indr_csr [2021-12-18 06:33:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 06:33:17,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 06:33:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_stop [2021-12-18 06:33:17,170 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_stop [2021-12-18 06:33:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_service_lock [2021-12-18 06:33:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_service_lock [2021-12-18 06:33:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_restarting_notify [2021-12-18 06:33:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_restarting_notify [2021-12-18 06:33:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2021-12-18 06:33:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2021-12-18 06:33:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_enc_internal [2021-12-18 06:33:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_enc_internal [2021-12-18 06:33:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 06:33:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 06:33:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure adf_slot_reset [2021-12-18 06:33:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_slot_reset [2021-12-18 06:33:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_cleanup_batch_init_list [2021-12-18 06:33:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_cleanup_batch_init_list [2021-12-18 06:33:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2021-12-18 06:33:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2021-12-18 06:33:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-18 06:33:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-18 06:33:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-18 06:33:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-18 06:33:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure qat_algs_exit [2021-12-18 06:33:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_algs_exit [2021-12-18 06:33:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_aead_crt [2021-12-18 06:33:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_aead_crt [2021-12-18 06:33:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure adf_service_register [2021-12-18 06:33:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_service_register [2021-12-18 06:33:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-18 06:33:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-18 06:33:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2021-12-18 06:33:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2021-12-18 06:33:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure adf_verify_ring_size [2021-12-18 06:33:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_verify_ring_size [2021-12-18 06:33:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_rel_reg [2021-12-18 06:33:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_rel_reg [2021-12-18 06:33:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adf_ctl_lock [2021-12-18 06:33:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adf_ctl_lock [2021-12-18 06:33:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bank_read_lock [2021-12-18 06:33:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bank_read_lock [2021-12-18 06:33:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 06:33:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 06:33:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 06:33:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 06:33:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_section_add [2021-12-18 06:33:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_section_add [2021-12-18 06:33:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 06:33:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 06:33:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2021-12-18 06:33:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2021-12-18 06:33:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-18 06:33:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-18 06:33:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 06:33:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 06:33:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_wakeup_event [2021-12-18 06:33:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_wakeup_event [2021-12-18 06:33:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_rd_ae_csr [2021-12-18 06:33:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_rd_ae_csr [2021-12-18 06:33:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 06:33:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 06:33:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_pci_to_accel_dev [2021-12-18 06:33:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_pci_to_accel_dev [2021-12-18 06:33:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_etr_data [2021-12-18 06:33:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_etr_data [2021-12-18 06:33:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_clr_reset [2021-12-18 06:33:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_clr_reset [2021-12-18 06:33:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 06:33:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_set_uword_ecc [2021-12-18 06:33:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_set_uword_ecc [2021-12-18 06:33:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-18 06:33:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-18 06:33:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-18 06:33:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-18 06:33:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 06:33:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 06:33:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wr_uwords [2021-12-18 06:33:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wr_uwords [2021-12-18 06:33:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_qat_cfg_read_lock [2021-12-18 06:33:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_qat_cfg_read_lock [2021-12-18 06:33:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure aead_request_ctx [2021-12-18 06:33:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aead_request_ctx [2021-12-18 06:33:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 06:33:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 06:33:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 06:33:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-18 06:33:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-18 06:33:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 06:33:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 06:33:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 06:33:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2021-12-18 06:33:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2021-12-18 06:33:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 06:33:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 06:33:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_free_instances [2021-12-18 06:33:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_free_instances [2021-12-18 06:33:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-18 06:33:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-18 06:33:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 06:33:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 06:33:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_aead_init [2021-12-18 06:33:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_aead_init [2021-12-18 06:33:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_stop [2021-12-18 06:33:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_stop [2021-12-18 06:33:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 06:33:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 06:33:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-18 06:33:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-18 06:33:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_exec_micro_inst [2021-12-18 06:33:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_exec_micro_inst [2021-12-18 06:33:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure adf_exit_aer [2021-12-18 06:33:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_exit_aer [2021-12-18 06:33:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_get_uwords [2021-12-18 06:33:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_get_uwords [2021-12-18 06:33:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure adf_create_ring [2021-12-18 06:33:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_create_ring [2021-12-18 06:33:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cleanup_ring [2021-12-18 06:33:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cleanup_ring [2021-12-18 06:33:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure adf_modulo [2021-12-18 06:33:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_modulo [2021-12-18 06:33:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 06:33:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 06:33:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:33:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:33:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_convert_abs_to_rel [2021-12-18 06:33:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_convert_abs_to_rel [2021-12-18 06:33:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure adf_send_message [2021-12-18 06:33:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_send_message [2021-12-18 06:33:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure adf_chr_drv_destroy [2021-12-18 06:33:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_chr_drv_destroy [2021-12-18 06:33:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-18 06:33:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-18 06:33:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_sig_event [2021-12-18 06:33:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_sig_event [2021-12-18 06:33:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_stop [2021-12-18 06:33:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_stop [2021-12-18 06:33:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_event_handler [2021-12-18 06:33:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_event_handler [2021-12-18 06:33:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 06:33:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 06:33:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-18 06:33:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-18 06:33:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 06:33:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ring_read_lock [2021-12-18 06:33:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ring_read_lock [2021-12-18 06:33:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 06:33:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 06:33:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_init [2021-12-18 06:33:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_init [2021-12-18 06:33:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_add_key_value_param [2021-12-18 06:33:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_add_key_value_param [2021-12-18 06:33:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2021-12-18 06:33:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2021-12-18 06:33:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_put_instance [2021-12-18 06:33:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_put_instance [2021-12-18 06:33:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-18 06:33:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-18 06:33:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_put_rel_wr_xfer [2021-12-18 06:33:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_put_rel_wr_xfer [2021-12-18 06:33:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_ioctl [2021-12-18 06:33:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_ioctl [2021-12-18 06:33:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure qat_uclo_fetch_initmem_ae [2021-12-18 06:33:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_uclo_fetch_initmem_ae [2021-12-18 06:33:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_enable_ctx [2021-12-18 06:33:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_enable_ctx [2021-12-18 06:33:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 06:33:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 06:33:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure adf_bank_show [2021-12-18 06:33:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_bank_show [2021-12-18 06:33:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 06:33:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 06:33:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 06:33:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 06:33:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_sec_find [2021-12-18 06:33:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_sec_find [2021-12-18 06:33:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ring_show [2021-12-18 06:33:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ring_show [2021-12-18 06:33:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure adf_ctl_alloc_resources [2021-12-18 06:33:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_ctl_alloc_resources [2021-12-18 06:33:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 06:33:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 06:33:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure adf_devmgr_get_dev_by_id [2021-12-18 06:33:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_devmgr_get_dev_by_id [2021-12-18 06:33:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_open [2021-12-18 06:33:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_open [2021-12-18 06:33:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-18 06:33:17,193 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-18 06:33:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 06:33:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure adf_init_etr_data [2021-12-18 06:33:17,193 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_init_etr_data [2021-12-18 06:33:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure adf_remove_ring [2021-12-18 06:33:17,193 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_remove_ring [2021-12-18 06:33:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure qat_alg_sgl_to_bufl [2021-12-18 06:33:17,193 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_alg_sgl_to_bufl [2021-12-18 06:33:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure qat_crypto_create_instances [2021-12-18 06:33:17,194 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_crypto_create_instances [2021-12-18 06:33:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 06:33:17,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 06:33:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure adf_cfg_get_param_value [2021-12-18 06:33:17,194 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_cfg_get_param_value [2021-12-18 06:33:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-18 06:33:17,194 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-18 06:33:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure adf_resume [2021-12-18 06:33:17,194 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_resume [2021-12-18 06:33:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-18 06:33:17,195 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-18 06:33:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-12-18 06:33:17,195 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-12-18 06:33:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure qat_dev_cfg_stop [2021-12-18 06:33:17,195 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_dev_cfg_stop [2021-12-18 06:33:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-12-18 06:33:17,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2021-12-18 06:33:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure adf_get_cfg_int [2021-12-18 06:33:17,195 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_get_cfg_int [2021-12-18 06:33:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure adf_device_reset_worker [2021-12-18 06:33:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_device_reset_worker [2021-12-18 06:33:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 06:33:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 06:33:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 06:33:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 06:33:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_started [2021-12-18 06:33:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_started [2021-12-18 06:33:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bank_read_lock [2021-12-18 06:33:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bank_read_lock [2021-12-18 06:33:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-18 06:33:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-18 06:33:17,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-18 06:33:17,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-18 06:33:17,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-18 06:33:17,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-18 06:33:17,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_qat_cfg_read_lock [2021-12-18 06:33:17,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_qat_cfg_read_lock [2021-12-18 06:33:17,197 INFO L130 BoogieDeclarations]: Found specification of procedure qat_hal_wait_cycles [2021-12-18 06:33:17,197 INFO L138 BoogieDeclarations]: Found implementation of procedure qat_hal_wait_cycles [2021-12-18 06:33:17,197 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-18 06:33:17,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-18 06:33:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-12-18 06:33:17,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-12-18 06:33:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 06:33:17,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 06:33:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure adf_dev_start [2021-12-18 06:33:17,198 INFO L138 BoogieDeclarations]: Found implementation of procedure adf_dev_start [2021-12-18 06:33:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2021-12-18 06:33:17,198 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2021-12-18 06:33:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 06:33:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 06:33:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2021-12-18 06:33:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2021-12-18 06:33:18,310 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 06:33:18,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 06:33:18,430 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 06:39:51,112 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 06:39:51,141 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 06:39:51,142 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 06:39:51,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:39:51 BoogieIcfgContainer [2021-12-18 06:39:51,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 06:39:51,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 06:39:51,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 06:39:51,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 06:39:51,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:33:10" (1/3) ... [2021-12-18 06:39:51,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66441c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:39:51, skipping insertion in model container [2021-12-18 06:39:51,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:33:16" (2/3) ... [2021-12-18 06:39:51,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66441c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:39:51, skipping insertion in model container [2021-12-18 06:39:51,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:39:51" (3/3) ... [2021-12-18 06:39:51,157 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--crypto--qat--qat_common--intel_qat.ko-entry_point.cil.out.i [2021-12-18 06:39:51,161 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 06:39:51,161 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 06:39:51,213 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 06:39:51,223 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 [2021-12-18 06:39:51,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 06:39:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 3769 states, 2626 states have (on average 1.3293983244478293) internal successors, (3491), 2701 states have internal predecessors, (3491), 947 states have call successors, (947), 195 states have call predecessors, (947), 194 states have return successors, (937), 932 states have call predecessors, (937), 937 states have call successors, (937) [2021-12-18 06:39:51,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-18 06:39:51,293 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:39:51,294 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:39:51,294 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:39:51,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:39:51,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1617610159, now seen corresponding path program 1 times [2021-12-18 06:39:51,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:39:51,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740349896] [2021-12-18 06:39:51,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:39:51,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:39:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:39:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:39:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:39:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:39:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:39:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:39:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:39:52,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:39:52,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740349896] [2021-12-18 06:39:52,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740349896] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:39:52,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:39:52,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:39:52,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091928708] [2021-12-18 06:39:52,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:39:52,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:39:52,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:39:52,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:39:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:39:52,511 INFO L87 Difference]: Start difference. First operand has 3769 states, 2626 states have (on average 1.3293983244478293) internal successors, (3491), 2701 states have internal predecessors, (3491), 947 states have call successors, (947), 195 states have call predecessors, (947), 194 states have return successors, (937), 932 states have call predecessors, (937), 937 states have call successors, (937) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:39:54,636 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 [] [2021-12-18 06:40:09,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:11,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:17,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:19,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:33,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:40:33,473 INFO L93 Difference]: Finished difference Result 12813 states and 19189 transitions. [2021-12-18 06:40:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:40:33,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2021-12-18 06:40:33,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:40:33,545 INFO L225 Difference]: With dead ends: 12813 [2021-12-18 06:40:33,545 INFO L226 Difference]: Without dead ends: 9019 [2021-12-18 06:40:33,584 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 [2021-12-18 06:40:33,587 INFO L933 BasicCegarLoop]: 5644 mSDtfsCounter, 8511 mSDsluCounter, 6608 mSDsCounter, 0 mSdLazyCounter, 4457 mSolverCounterSat, 3498 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9319 SdHoareTripleChecker+Valid, 12252 SdHoareTripleChecker+Invalid, 7960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3498 IncrementalHoareTripleChecker+Valid, 4457 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:40:33,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9319 Valid, 12252 Invalid, 7960 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3498 Valid, 4457 Invalid, 5 Unknown, 0 Unchecked, 39.6s Time] [2021-12-18 06:40:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9019 states. [2021-12-18 06:40:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9019 to 7801. [2021-12-18 06:40:33,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7801 states, 5492 states have (on average 1.3259286234522942) internal successors, (7282), 5606 states have internal predecessors, (7282), 1907 states have call successors, (1907), 380 states have call predecessors, (1907), 401 states have return successors, (2005), 1891 states have call predecessors, (2005), 1886 states have call successors, (2005) [2021-12-18 06:40:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7801 states to 7801 states and 11194 transitions. [2021-12-18 06:40:34,014 INFO L78 Accepts]: Start accepts. Automaton has 7801 states and 11194 transitions. Word has length 59 [2021-12-18 06:40:34,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:40:34,015 INFO L470 AbstractCegarLoop]: Abstraction has 7801 states and 11194 transitions. [2021-12-18 06:40:34,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:40:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 7801 states and 11194 transitions. [2021-12-18 06:40:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-18 06:40:34,022 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:40:34,022 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:40:34,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 06:40:34,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:40:34,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:40:34,024 INFO L85 PathProgramCache]: Analyzing trace with hash 103269205, now seen corresponding path program 1 times [2021-12-18 06:40:34,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:40:34,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185965972] [2021-12-18 06:40:34,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:40:34,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:40:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:40:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:40:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:40:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:40:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:40:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:40:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:40:34,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:40:34,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185965972] [2021-12-18 06:40:34,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185965972] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:40:34,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:40:34,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:40:34,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906732792] [2021-12-18 06:40:34,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:40:34,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:40:34,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:40:34,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:40:34,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:40:34,750 INFO L87 Difference]: Start difference. First operand 7801 states and 11194 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:40:36,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:48,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:50,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:56,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:40:58,155 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 [] [2021-12-18 06:41:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:41:03,251 INFO L93 Difference]: Finished difference Result 16765 states and 24306 transitions. [2021-12-18 06:41:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:41:03,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2021-12-18 06:41:03,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:41:03,303 INFO L225 Difference]: With dead ends: 16765 [2021-12-18 06:41:03,303 INFO L226 Difference]: Without dead ends: 8976 [2021-12-18 06:41:03,339 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 [2021-12-18 06:41:03,339 INFO L933 BasicCegarLoop]: 4731 mSDtfsCounter, 6872 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2380 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7365 SdHoareTripleChecker+Valid, 6773 SdHoareTripleChecker+Invalid, 4602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2380 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:41:03,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7365 Valid, 6773 Invalid, 4602 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2380 Valid, 2217 Invalid, 5 Unknown, 0 Unchecked, 27.6s Time] [2021-12-18 06:41:03,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8976 states. [2021-12-18 06:41:03,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8976 to 7330. [2021-12-18 06:41:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7330 states, 5128 states have (on average 1.3186427457098284) internal successors, (6762), 5234 states have internal predecessors, (6762), 1810 states have call successors, (1810), 387 states have call predecessors, (1810), 391 states have return successors, (1806), 1779 states have call predecessors, (1806), 1790 states have call successors, (1806) [2021-12-18 06:41:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7330 states to 7330 states and 10378 transitions. [2021-12-18 06:41:03,600 INFO L78 Accepts]: Start accepts. Automaton has 7330 states and 10378 transitions. Word has length 61 [2021-12-18 06:41:03,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:41:03,600 INFO L470 AbstractCegarLoop]: Abstraction has 7330 states and 10378 transitions. [2021-12-18 06:41:03,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:41:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 7330 states and 10378 transitions. [2021-12-18 06:41:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-18 06:41:03,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:41:03,602 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:41:03,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 06:41:03,603 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:41:03,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:41:03,603 INFO L85 PathProgramCache]: Analyzing trace with hash -643865591, now seen corresponding path program 1 times [2021-12-18 06:41:03,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:41:03,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133622091] [2021-12-18 06:41:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:41:03,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:41:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:41:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:41:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:41:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:41:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:41:04,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:41:04,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133622091] [2021-12-18 06:41:04,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133622091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:41:04,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:41:04,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:41:04,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346978194] [2021-12-18 06:41:04,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:41:04,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:41:04,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:41:04,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:41:04,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:41:04,304 INFO L87 Difference]: Start difference. First operand 7330 states and 10378 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:41:06,401 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 [] [2021-12-18 06:41:24,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:41:26,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:41:33,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:41:35,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:41:46,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:41:46,072 INFO L93 Difference]: Finished difference Result 24260 states and 35102 transitions. [2021-12-18 06:41:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:41:46,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2021-12-18 06:41:46,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:41:46,159 INFO L225 Difference]: With dead ends: 24260 [2021-12-18 06:41:46,159 INFO L226 Difference]: Without dead ends: 16942 [2021-12-18 06:41:46,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:41:46,192 INFO L933 BasicCegarLoop]: 5500 mSDtfsCounter, 7828 mSDsluCounter, 6353 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 3233 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8584 SdHoareTripleChecker+Valid, 11853 SdHoareTripleChecker+Invalid, 7539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3233 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:41:46,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8584 Valid, 11853 Invalid, 7539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3233 Valid, 4301 Invalid, 5 Unknown, 0 Unchecked, 40.4s Time] [2021-12-18 06:41:46,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16942 states. [2021-12-18 06:41:46,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16942 to 13859. [2021-12-18 06:41:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13859 states, 9711 states have (on average 1.3178869323447637) internal successors, (12798), 9896 states have internal predecessors, (12798), 3405 states have call successors, (3405), 737 states have call predecessors, (3405), 742 states have return successors, (3417), 3358 states have call predecessors, (3417), 3385 states have call successors, (3417) [2021-12-18 06:41:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13859 states to 13859 states and 19620 transitions. [2021-12-18 06:41:46,710 INFO L78 Accepts]: Start accepts. Automaton has 13859 states and 19620 transitions. Word has length 61 [2021-12-18 06:41:46,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:41:46,711 INFO L470 AbstractCegarLoop]: Abstraction has 13859 states and 19620 transitions. [2021-12-18 06:41:46,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:41:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 13859 states and 19620 transitions. [2021-12-18 06:41:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-18 06:41:46,712 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:41:46,712 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:41:46,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 06:41:46,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:41:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:41:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1671294414, now seen corresponding path program 1 times [2021-12-18 06:41:46,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:41:46,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353835431] [2021-12-18 06:41:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:41:46,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:41:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:41:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:41:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:41:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:41:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 06:41:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:41:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:41:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-18 06:41:47,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:41:47,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353835431] [2021-12-18 06:41:47,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353835431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:41:47,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:41:47,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:41:47,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323600122] [2021-12-18 06:41:47,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:41:47,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:41:47,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:41:47,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:41:47,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:41:47,351 INFO L87 Difference]: Start difference. First operand 13859 states and 19620 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 06:41:49,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:09,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:11,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:17,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:19,686 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 [] [2021-12-18 06:42:30,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:42:30,304 INFO L93 Difference]: Finished difference Result 47002 states and 68051 transitions. [2021-12-18 06:42:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:42:30,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2021-12-18 06:42:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:42:30,495 INFO L225 Difference]: With dead ends: 47002 [2021-12-18 06:42:30,495 INFO L226 Difference]: Without dead ends: 33155 [2021-12-18 06:42:30,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:42:30,574 INFO L933 BasicCegarLoop]: 5904 mSDtfsCounter, 8204 mSDsluCounter, 6513 mSDsCounter, 0 mSdLazyCounter, 4500 mSolverCounterSat, 3334 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8990 SdHoareTripleChecker+Valid, 12417 SdHoareTripleChecker+Invalid, 7839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3334 IncrementalHoareTripleChecker+Valid, 4500 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.1s IncrementalHoareTripleChecker+Time [2021-12-18 06:42:30,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8990 Valid, 12417 Invalid, 7839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3334 Valid, 4500 Invalid, 5 Unknown, 0 Unchecked, 41.1s Time] [2021-12-18 06:42:30,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33155 states. [2021-12-18 06:42:31,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33155 to 27049. [2021-12-18 06:42:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27049 states, 18955 states have (on average 1.3169084674228435) internal successors, (24962), 19304 states have internal predecessors, (24962), 6649 states have call successors, (6649), 1435 states have call predecessors, (6649), 1444 states have return successors, (6693), 6574 states have call predecessors, (6693), 6629 states have call successors, (6693) [2021-12-18 06:42:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27049 states to 27049 states and 38304 transitions. [2021-12-18 06:42:31,843 INFO L78 Accepts]: Start accepts. Automaton has 27049 states and 38304 transitions. Word has length 73 [2021-12-18 06:42:31,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:42:31,844 INFO L470 AbstractCegarLoop]: Abstraction has 27049 states and 38304 transitions. [2021-12-18 06:42:31,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 06:42:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 27049 states and 38304 transitions. [2021-12-18 06:42:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-18 06:42:31,846 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:42:31,846 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:42:31,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 06:42:31,847 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:42:31,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:42:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2018387948, now seen corresponding path program 1 times [2021-12-18 06:42:31,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:42:31,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521020433] [2021-12-18 06:42:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:42:31,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:42:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:42:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:42:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:42:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:42:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:42:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:42:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:42:32,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:42:32,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521020433] [2021-12-18 06:42:32,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521020433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:42:32,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:42:32,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:42:32,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804150972] [2021-12-18 06:42:32,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:42:32,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:42:32,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:42:32,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:42:32,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:42:32,505 INFO L87 Difference]: Start difference. First operand 27049 states and 38304 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:42:34,606 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 [] [2021-12-18 06:42:44,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:46,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:51,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:53,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:42:57,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:43:01,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:43:01,455 INFO L93 Difference]: Finished difference Result 59678 states and 85978 transitions. [2021-12-18 06:43:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:43:01,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2021-12-18 06:43:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:43:01,607 INFO L225 Difference]: With dead ends: 59678 [2021-12-18 06:43:01,608 INFO L226 Difference]: Without dead ends: 32641 [2021-12-18 06:43:01,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:43:01,711 INFO L933 BasicCegarLoop]: 4654 mSDtfsCounter, 6768 mSDsluCounter, 2011 mSDsCounter, 0 mSdLazyCounter, 2192 mSolverCounterSat, 2355 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7251 SdHoareTripleChecker+Valid, 6665 SdHoareTripleChecker+Invalid, 4552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2355 IncrementalHoareTripleChecker+Valid, 2192 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:43:01,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7251 Valid, 6665 Invalid, 4552 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2355 Valid, 2192 Invalid, 5 Unknown, 0 Unchecked, 27.4s Time] [2021-12-18 06:43:01,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32641 states. [2021-12-18 06:43:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32641 to 26568. [2021-12-18 06:43:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26568 states, 18587 states have (on average 1.3137138860493893) internal successors, (24418), 18935 states have internal predecessors, (24418), 6560 states have call successors, (6560), 1411 states have call predecessors, (6560), 1420 states have return successors, (6605), 6486 states have call predecessors, (6605), 6541 states have call successors, (6605) [2021-12-18 06:43:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26568 states to 26568 states and 37583 transitions. [2021-12-18 06:43:02,720 INFO L78 Accepts]: Start accepts. Automaton has 26568 states and 37583 transitions. Word has length 67 [2021-12-18 06:43:02,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:43:02,720 INFO L470 AbstractCegarLoop]: Abstraction has 26568 states and 37583 transitions. [2021-12-18 06:43:02,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 06:43:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 26568 states and 37583 transitions. [2021-12-18 06:43:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-18 06:43:02,722 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:43:02,722 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:43:02,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 06:43:02,722 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:43:02,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:43:02,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1476230889, now seen corresponding path program 1 times [2021-12-18 06:43:02,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:43:02,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141687389] [2021-12-18 06:43:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:43:02,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:43:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:43:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:43:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:43:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:43:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 06:43:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 06:43:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:43:03,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:43:03,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141687389] [2021-12-18 06:43:03,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141687389] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:43:03,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:43:03,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:43:03,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624383011] [2021-12-18 06:43:03,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:43:03,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:43:03,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:43:03,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:43:03,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:43:03,784 INFO L87 Difference]: Start difference. First operand 26568 states and 37583 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 06:43:05,887 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 [] [2021-12-18 06:43:24,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:43:26,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:43:32,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:43:34,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:43:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:43:42,776 INFO L93 Difference]: Finished difference Result 59504 states and 85766 transitions. [2021-12-18 06:43:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:43:42,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2021-12-18 06:43:42,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:43:42,905 INFO L225 Difference]: With dead ends: 59504 [2021-12-18 06:43:42,906 INFO L226 Difference]: Without dead ends: 32948 [2021-12-18 06:43:42,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:43:42,997 INFO L933 BasicCegarLoop]: 4961 mSDtfsCounter, 2435 mSDsluCounter, 10354 mSDsCounter, 0 mSdLazyCounter, 4564 mSolverCounterSat, 1324 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2753 SdHoareTripleChecker+Valid, 15315 SdHoareTripleChecker+Invalid, 5893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1324 IncrementalHoareTripleChecker+Valid, 4564 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2021-12-18 06:43:42,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2753 Valid, 15315 Invalid, 5893 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1324 Valid, 4564 Invalid, 5 Unknown, 0 Unchecked, 37.4s Time] [2021-12-18 06:43:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32948 states. [2021-12-18 06:43:43,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32948 to 26568. [2021-12-18 06:43:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26568 states, 18587 states have (on average 1.3132834776994673) internal successors, (24410), 18927 states have internal predecessors, (24410), 6560 states have call successors, (6560), 1411 states have call predecessors, (6560), 1420 states have return successors, (6605), 6486 states have call predecessors, (6605), 6541 states have call successors, (6605) [2021-12-18 06:43:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26568 states to 26568 states and 37575 transitions. [2021-12-18 06:43:44,004 INFO L78 Accepts]: Start accepts. Automaton has 26568 states and 37575 transitions. Word has length 82 [2021-12-18 06:43:44,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:43:44,004 INFO L470 AbstractCegarLoop]: Abstraction has 26568 states and 37575 transitions. [2021-12-18 06:43:44,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 06:43:44,005 INFO L276 IsEmpty]: Start isEmpty. Operand 26568 states and 37575 transitions. [2021-12-18 06:43:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-18 06:43:44,009 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:43:44,009 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:43:44,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 06:43:44,010 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:43:44,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:43:44,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1188535743, now seen corresponding path program 1 times [2021-12-18 06:43:44,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:43:44,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772691457] [2021-12-18 06:43:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:43:44,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:43:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:43:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:43:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:43:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:43:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:43:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 06:43:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 06:43:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 06:43:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:43:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:43:44,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:43:44,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772691457] [2021-12-18 06:43:44,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772691457] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:43:44,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:43:44,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:43:44,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387135798] [2021-12-18 06:43:44,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:43:44,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:43:44,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:43:44,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:43:44,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:43:44,683 INFO L87 Difference]: Start difference. First operand 26568 states and 37575 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 06:43:46,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:44:06,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:44:08,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:44:15,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:44:17,297 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 [] [2021-12-18 06:44:28,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:44:28,709 INFO L93 Difference]: Finished difference Result 91591 states and 132623 transitions. [2021-12-18 06:44:28,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:44:28,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2021-12-18 06:44:28,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:44:29,091 INFO L225 Difference]: With dead ends: 91591 [2021-12-18 06:44:29,092 INFO L226 Difference]: Without dead ends: 65035 [2021-12-18 06:44:29,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:44:29,221 INFO L933 BasicCegarLoop]: 5570 mSDtfsCounter, 8261 mSDsluCounter, 6512 mSDsCounter, 0 mSdLazyCounter, 4400 mSolverCounterSat, 3376 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9046 SdHoareTripleChecker+Valid, 12082 SdHoareTripleChecker+Invalid, 7781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3376 IncrementalHoareTripleChecker+Valid, 4400 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.1s IncrementalHoareTripleChecker+Time [2021-12-18 06:44:29,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9046 Valid, 12082 Invalid, 7781 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3376 Valid, 4400 Invalid, 5 Unknown, 0 Unchecked, 41.1s Time] [2021-12-18 06:44:29,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65035 states. [2021-12-18 06:44:31,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65035 to 52849. [2021-12-18 06:44:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52849 states, 36975 states have (on average 1.3134550371872886) internal successors, (48565), 37649 states have internal predecessors, (48565), 13057 states have call successors, (13057), 2800 states have call predecessors, (13057), 2816 states have return successors, (13181), 12912 states have call predecessors, (13181), 13037 states have call successors, (13181) [2021-12-18 06:44:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52849 states to 52849 states and 74803 transitions. [2021-12-18 06:44:31,461 INFO L78 Accepts]: Start accepts. Automaton has 52849 states and 74803 transitions. Word has length 91 [2021-12-18 06:44:31,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:44:31,462 INFO L470 AbstractCegarLoop]: Abstraction has 52849 states and 74803 transitions. [2021-12-18 06:44:31,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 06:44:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 52849 states and 74803 transitions. [2021-12-18 06:44:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-18 06:44:31,464 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:44:31,464 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:44:31,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 06:44:31,465 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:44:31,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:44:31,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1043820119, now seen corresponding path program 1 times [2021-12-18 06:44:31,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:44:31,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599764112] [2021-12-18 06:44:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:44:31,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:44:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:44:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:44:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:44:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:44:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:44:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 06:44:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 06:44:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:44:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-18 06:44:32,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:44:32,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599764112] [2021-12-18 06:44:32,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599764112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:44:32,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:44:32,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:44:32,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56030492] [2021-12-18 06:44:32,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:44:32,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:44:32,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:44:32,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:44:32,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:44:32,211 INFO L87 Difference]: Start difference. First operand 52849 states and 74803 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 06:44:34,315 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 [] [2021-12-18 06:44:54,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:44:56,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:45:02,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:45:04,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:45:14,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:45:14,079 INFO L93 Difference]: Finished difference Result 120643 states and 174573 transitions. [2021-12-18 06:45:14,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:45:14,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 92 [2021-12-18 06:45:14,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:45:14,467 INFO L225 Difference]: With dead ends: 120643 [2021-12-18 06:45:14,467 INFO L226 Difference]: Without dead ends: 67806 [2021-12-18 06:45:14,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:45:14,706 INFO L933 BasicCegarLoop]: 4983 mSDtfsCounter, 2359 mSDsluCounter, 10642 mSDsCounter, 0 mSdLazyCounter, 4592 mSolverCounterSat, 1317 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 15625 SdHoareTripleChecker+Invalid, 5914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1317 IncrementalHoareTripleChecker+Valid, 4592 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2021-12-18 06:45:14,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2678 Valid, 15625 Invalid, 5914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1317 Valid, 4592 Invalid, 5 Unknown, 0 Unchecked, 39.1s Time] [2021-12-18 06:45:14,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67806 states. [2021-12-18 06:45:16,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67806 to 52769. [2021-12-18 06:45:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52769 states, 36927 states have (on average 1.3129959108511386) internal successors, (48485), 37585 states have internal predecessors, (48485), 13025 states have call successors, (13025), 2800 states have call predecessors, (13025), 2816 states have return successors, (13149), 12888 states have call predecessors, (13149), 13005 states have call successors, (13149) [2021-12-18 06:45:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52769 states to 52769 states and 74659 transitions. [2021-12-18 06:45:16,937 INFO L78 Accepts]: Start accepts. Automaton has 52769 states and 74659 transitions. Word has length 92 [2021-12-18 06:45:16,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:45:16,938 INFO L470 AbstractCegarLoop]: Abstraction has 52769 states and 74659 transitions. [2021-12-18 06:45:16,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 06:45:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 52769 states and 74659 transitions. [2021-12-18 06:45:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-18 06:45:16,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:45:16,939 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] [2021-12-18 06:45:16,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 06:45:16,940 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:45:16,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:45:16,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1808613896, now seen corresponding path program 1 times [2021-12-18 06:45:16,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:45:16,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300539565] [2021-12-18 06:45:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:45:16,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:45:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:45:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:45:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:45:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:45:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:45:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 06:45:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 06:45:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 06:45:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:45:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:45:17,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:45:17,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300539565] [2021-12-18 06:45:17,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300539565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:45:17,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:45:17,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 06:45:17,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338948578] [2021-12-18 06:45:17,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:45:17,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 06:45:17,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:45:17,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 06:45:17,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 06:45:17,874 INFO L87 Difference]: Start difference. First operand 52769 states and 74659 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 06:45:19,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:45:36,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:45:38,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:45:47,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:45:49,158 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 [] [2021-12-18 06:46:05,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:46:05,766 INFO L93 Difference]: Finished difference Result 182090 states and 270560 transitions. [2021-12-18 06:46:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:46:05,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2021-12-18 06:46:05,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:46:06,528 INFO L225 Difference]: With dead ends: 182090 [2021-12-18 06:46:06,529 INFO L226 Difference]: Without dead ends: 129333 [2021-12-18 06:46:06,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:46:06,970 INFO L933 BasicCegarLoop]: 5596 mSDtfsCounter, 8390 mSDsluCounter, 6551 mSDsCounter, 0 mSdLazyCounter, 4401 mSolverCounterSat, 3470 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9133 SdHoareTripleChecker+Valid, 12147 SdHoareTripleChecker+Invalid, 7876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3470 IncrementalHoareTripleChecker+Valid, 4401 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:46:06,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9133 Valid, 12147 Invalid, 7876 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3470 Valid, 4401 Invalid, 5 Unknown, 0 Unchecked, 42.3s Time] [2021-12-18 06:46:07,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129333 states. [2021-12-18 06:46:11,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129333 to 116959. [2021-12-18 06:46:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116959 states, 82509 states have (on average 1.3215528003005732) internal successors, (109040), 84259 states have internal predecessors, (109040), 28217 states have call successors, (28217), 5554 states have call predecessors, (28217), 6232 states have return successors, (34293), 28406 states have call predecessors, (34293), 28193 states have call successors, (34293) [2021-12-18 06:46:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116959 states to 116959 states and 171550 transitions. [2021-12-18 06:46:12,379 INFO L78 Accepts]: Start accepts. Automaton has 116959 states and 171550 transitions. Word has length 92 [2021-12-18 06:46:12,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:46:12,379 INFO L470 AbstractCegarLoop]: Abstraction has 116959 states and 171550 transitions. [2021-12-18 06:46:12,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 06:46:12,380 INFO L276 IsEmpty]: Start isEmpty. Operand 116959 states and 171550 transitions. [2021-12-18 06:46:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-18 06:46:12,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:46:12,381 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] [2021-12-18 06:46:12,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 06:46:12,381 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:46:12,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:46:12,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1906687036, now seen corresponding path program 1 times [2021-12-18 06:46:12,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:46:12,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839000674] [2021-12-18 06:46:12,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:46:12,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:46:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 06:46:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:46:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 06:46:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:46:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 06:46:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:46:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 06:46:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:46:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 06:46:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:46:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 06:46:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 06:46:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:46:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:46:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-18 06:46:13,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:46:13,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839000674] [2021-12-18 06:46:13,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839000674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:46:13,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:46:13,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:46:13,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225218498] [2021-12-18 06:46:13,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:46:13,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:46:13,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:46:13,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:46:13,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:46:13,485 INFO L87 Difference]: Start difference. First operand 116959 states and 171550 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 06:46:15,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:46:17,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:46:20,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15