./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:13:41,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:13:41,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:13:42,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:13:42,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:13:42,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:13:42,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:13:42,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:13:42,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:13:42,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:13:42,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:13:42,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:13:42,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:13:42,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:13:42,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:13:42,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:13:42,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:13:42,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:13:42,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:13:42,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:13:42,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:13:42,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:13:42,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:13:42,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:13:42,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:13:42,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:13:42,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:13:42,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:13:42,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:13:42,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:13:42,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:13:42,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:13:42,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:13:42,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:13:42,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:13:42,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:13:42,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:13:42,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:13:42,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:13:42,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:13:42,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:13:42,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 04:13:42,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:13:42,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:13:42,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:13:42,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:13:42,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:13:42,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:13:42,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:13:42,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:13:42,082 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:13:42,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:13:42,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 04:13:42,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:13:42,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:13:42,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:13:42,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:13:42,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:13:42,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:13:42,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:13:42,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:13:42,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:13:42,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:13:42,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:13:42,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:13:42,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:13:42,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:13:42,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 04:13:42,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 04:13:42,085 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:13:42,086 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:13:42,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:13:42,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:13:42,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2021-12-18 04:13:42,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:13:42,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:13:42,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:13:42,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:13:42,305 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:13:42,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-12-18 04:13:42,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bf9e145a/e154d8e068994fe2a37def23cc7f3281/FLAG1d0688116 [2021-12-18 04:13:42,901 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:13:42,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-12-18 04:13:42,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bf9e145a/e154d8e068994fe2a37def23cc7f3281/FLAG1d0688116 [2021-12-18 04:13:43,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bf9e145a/e154d8e068994fe2a37def23cc7f3281 [2021-12-18 04:13:43,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:13:43,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:13:43,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:13:43,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:13:43,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:13:43,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:13:43" (1/1) ... [2021-12-18 04:13:43,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a8a492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:43, skipping insertion in model container [2021-12-18 04:13:43,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:13:43" (1/1) ... [2021-12-18 04:13:43,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:13:43,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:13:43,877 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2021-12-18 04:13:44,299 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 04:13:44,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:13:44,324 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 04:13:44,421 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2021-12-18 04:13:44,527 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 04:13:44,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:13:44,561 INFO L208 MainTranslator]: Completed translation [2021-12-18 04:13:44,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44 WrapperNode [2021-12-18 04:13:44,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 04:13:44,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 04:13:44,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 04:13:44,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 04:13:44,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,683 INFO L137 Inliner]: procedures = 184, calls = 840, calls flagged for inlining = 74, calls inlined = 63, statements flattened = 2080 [2021-12-18 04:13:44,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 04:13:44,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 04:13:44,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 04:13:44,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 04:13:44,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 04:13:44,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 04:13:44,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 04:13:44,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 04:13:44,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (1/1) ... [2021-12-18 04:13:44,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:13:44,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:13:44,835 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 04:13:44,855 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 04:13:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2021-12-18 04:13:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2021-12-18 04:13:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 04:13:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 04:13:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2021-12-18 04:13:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2021-12-18 04:13:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 04:13:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 04:13:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2021-12-18 04:13:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2021-12-18 04:13:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 04:13:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 04:13:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 04:13:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 04:13:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 04:13:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2021-12-18 04:13:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2021-12-18 04:13:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-18 04:13:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-18 04:13:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2021-12-18 04:13:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2021-12-18 04:13:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 04:13:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 04:13:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-18 04:13:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-18 04:13:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2021-12-18 04:13:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2021-12-18 04:13:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2021-12-18 04:13:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2021-12-18 04:13:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2021-12-18 04:13:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2021-12-18 04:13:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-18 04:13:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-18 04:13:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 04:13:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 04:13:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2021-12-18 04:13:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2021-12-18 04:13:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2021-12-18 04:13:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2021-12-18 04:13:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-18 04:13:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-18 04:13:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 04:13:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 04:13:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 04:13:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 04:13:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 04:13:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 04:13:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 04:13:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2021-12-18 04:13:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2021-12-18 04:13:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 04:13:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 04:13:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-18 04:13:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-18 04:13:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 04:13:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 04:13:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 04:13:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 04:13:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 04:13:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2021-12-18 04:13:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2021-12-18 04:13:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 04:13:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 04:13:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 04:13:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 04:13:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 04:13:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2021-12-18 04:13:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2021-12-18 04:13:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 04:13:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 04:13:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 04:13:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 04:13:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 04:13:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-18 04:13:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-18 04:13:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 04:13:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 04:13:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 04:13:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 04:13:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-18 04:13:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-18 04:13:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 04:13:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 04:13:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 04:13:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 04:13:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 04:13:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 04:13:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2021-12-18 04:13:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2021-12-18 04:13:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2021-12-18 04:13:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2021-12-18 04:13:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 04:13:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 04:13:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2021-12-18 04:13:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2021-12-18 04:13:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 04:13:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 04:13:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 04:13:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 04:13:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-18 04:13:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-18 04:13:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 04:13:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 04:13:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2021-12-18 04:13:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2021-12-18 04:13:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2021-12-18 04:13:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2021-12-18 04:13:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2021-12-18 04:13:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2021-12-18 04:13:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 04:13:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 04:13:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 04:13:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 04:13:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 04:13:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 04:13:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 04:13:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 04:13:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2021-12-18 04:13:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2021-12-18 04:13:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2021-12-18 04:13:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2021-12-18 04:13:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 04:13:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2021-12-18 04:13:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2021-12-18 04:13:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 04:13:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 04:13:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 04:13:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 04:13:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 04:13:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 04:13:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2021-12-18 04:13:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2021-12-18 04:13:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2021-12-18 04:13:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2021-12-18 04:13:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 04:13:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 04:13:45,240 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 04:13:45,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 04:13:45,510 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 04:13:46,626 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 04:13:46,635 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 04:13:46,636 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 04:13:46,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:13:46 BoogieIcfgContainer [2021-12-18 04:13:46,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 04:13:46,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 04:13:46,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 04:13:46,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 04:13:46,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:13:43" (1/3) ... [2021-12-18 04:13:46,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb1b930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:13:46, skipping insertion in model container [2021-12-18 04:13:46,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:44" (2/3) ... [2021-12-18 04:13:46,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb1b930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:13:46, skipping insertion in model container [2021-12-18 04:13:46,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:13:46" (3/3) ... [2021-12-18 04:13:46,644 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-12-18 04:13:46,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 04:13:46,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 04:13:46,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 04:13:46,683 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 04:13:46,683 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 04:13:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 826 states, 571 states have (on average 1.3134851138353765) internal successors, (750), 588 states have internal predecessors, (750), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2021-12-18 04:13:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-18 04:13:46,710 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:13:46,711 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:13:46,711 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:13:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:13:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1130854638, now seen corresponding path program 1 times [2021-12-18 04:13:46,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:13:46,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746557222] [2021-12-18 04:13:46,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:13:46,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:13:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:13:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:13:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 04:13:47,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:13:47,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746557222] [2021-12-18 04:13:47,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746557222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:13:47,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:13:47,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:13:47,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927507924] [2021-12-18 04:13:47,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:13:47,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:13:47,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:13:47,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:13:47,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:13:47,072 INFO L87 Difference]: Start difference. First operand has 826 states, 571 states have (on average 1.3134851138353765) internal successors, (750), 588 states have internal predecessors, (750), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-18 04:13:49,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:13:49,545 INFO L93 Difference]: Finished difference Result 2630 states and 3786 transitions. [2021-12-18 04:13:49,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 04:13:49,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-18 04:13:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:13:49,570 INFO L225 Difference]: With dead ends: 2630 [2021-12-18 04:13:49,570 INFO L226 Difference]: Without dead ends: 1763 [2021-12-18 04:13:49,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:13:49,580 INFO L933 BasicCegarLoop]: 1220 mSDtfsCounter, 1574 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 4515 SdHoareTripleChecker+Invalid, 2199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:13:49,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1730 Valid, 4515 Invalid, 2199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-18 04:13:49,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2021-12-18 04:13:49,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1601. [2021-12-18 04:13:49,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1111 states have (on average 1.297929792979298) internal successors, (1442), 1136 states have internal predecessors, (1442), 370 states have call successors, (370), 118 states have call predecessors, (370), 119 states have return successors, (383), 368 states have call predecessors, (383), 369 states have call successors, (383) [2021-12-18 04:13:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2195 transitions. [2021-12-18 04:13:49,721 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2195 transitions. Word has length 32 [2021-12-18 04:13:49,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:13:49,721 INFO L470 AbstractCegarLoop]: Abstraction has 1601 states and 2195 transitions. [2021-12-18 04:13:49,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-18 04:13:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2195 transitions. [2021-12-18 04:13:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-18 04:13:49,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:13:49,729 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:13:49,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 04:13:49,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:13:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:13:49,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1456852114, now seen corresponding path program 1 times [2021-12-18 04:13:49,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:13:49,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382367661] [2021-12-18 04:13:49,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:13:49,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:13:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:13:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:13:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 04:13:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:13:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:13:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:13:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 04:13:49,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:13:49,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382367661] [2021-12-18 04:13:49,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382367661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:13:49,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:13:49,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:13:49,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016647078] [2021-12-18 04:13:49,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:13:49,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:13:49,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:13:49,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:13:49,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:13:49,861 INFO L87 Difference]: Start difference. First operand 1601 states and 2195 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 04:13:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:13:52,875 INFO L93 Difference]: Finished difference Result 3585 states and 5064 transitions. [2021-12-18 04:13:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 04:13:52,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2021-12-18 04:13:52,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:13:52,887 INFO L225 Difference]: With dead ends: 3585 [2021-12-18 04:13:52,887 INFO L226 Difference]: Without dead ends: 1992 [2021-12-18 04:13:52,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:13:52,896 INFO L933 BasicCegarLoop]: 1067 mSDtfsCounter, 1016 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-18 04:13:52,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 2468 Invalid, 2253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [827 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-18 04:13:52,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2021-12-18 04:13:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1702. [2021-12-18 04:13:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1188 states have (on average 1.2971380471380471) internal successors, (1541), 1216 states have internal predecessors, (1541), 382 states have call successors, (382), 127 states have call predecessors, (382), 131 states have return successors, (401), 380 states have call predecessors, (401), 381 states have call successors, (401) [2021-12-18 04:13:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2324 transitions. [2021-12-18 04:13:52,973 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2324 transitions. Word has length 77 [2021-12-18 04:13:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:13:52,973 INFO L470 AbstractCegarLoop]: Abstraction has 1702 states and 2324 transitions. [2021-12-18 04:13:52,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 04:13:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2324 transitions. [2021-12-18 04:13:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-18 04:13:52,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:13:52,978 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:13:52,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 04:13:52,979 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:13:52,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:13:52,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1040348853, now seen corresponding path program 1 times [2021-12-18 04:13:52,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:13:52,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616195945] [2021-12-18 04:13:52,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:13:52,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:13:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:13:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:13:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:13:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:13:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:13:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:13:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:13:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:13:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-18 04:13:53,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:13:53,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616195945] [2021-12-18 04:13:53,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616195945] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:13:53,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:13:53,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:13:53,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064621071] [2021-12-18 04:13:53,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:13:53,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:13:53,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:13:53,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:13:53,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:13:53,205 INFO L87 Difference]: Start difference. First operand 1702 states and 2324 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-12-18 04:13:56,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:13:57,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:13:57,806 INFO L93 Difference]: Finished difference Result 5174 states and 7332 transitions. [2021-12-18 04:13:57,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:13:57,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2021-12-18 04:13:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:13:57,824 INFO L225 Difference]: With dead ends: 5174 [2021-12-18 04:13:57,824 INFO L226 Difference]: Without dead ends: 3501 [2021-12-18 04:13:57,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:13:57,831 INFO L933 BasicCegarLoop]: 1189 mSDtfsCounter, 2523 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 1822 mSolverCounterSat, 1610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 3432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1610 IncrementalHoareTripleChecker+Valid, 1822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:13:57,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2683 Valid, 2460 Invalid, 3432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1610 Valid, 1822 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 04:13:57,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2021-12-18 04:13:57,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 2946. [2021-12-18 04:13:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2072 states have (on average 1.2866795366795367) internal successors, (2666), 2114 states have internal predecessors, (2666), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2021-12-18 04:13:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 3953 transitions. [2021-12-18 04:13:57,933 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 3953 transitions. Word has length 101 [2021-12-18 04:13:57,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:13:57,934 INFO L470 AbstractCegarLoop]: Abstraction has 2946 states and 3953 transitions. [2021-12-18 04:13:57,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-12-18 04:13:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 3953 transitions. [2021-12-18 04:13:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-18 04:13:57,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:13:57,979 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:13:57,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 04:13:57,980 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:13:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:13:57,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2025083819, now seen corresponding path program 1 times [2021-12-18 04:13:57,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:13:57,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653695800] [2021-12-18 04:13:57,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:13:57,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:13:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:13:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:13:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:13:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:13:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:13:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:13:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:13:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:13:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:13:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-18 04:13:58,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:13:58,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653695800] [2021-12-18 04:13:58,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653695800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:13:58,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:13:58,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:13:58,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133281907] [2021-12-18 04:13:58,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:13:58,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:13:58,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:13:58,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:13:58,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:13:58,162 INFO L87 Difference]: Start difference. First operand 2946 states and 3953 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-18 04:14:01,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:14:02,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:14:02,268 INFO L93 Difference]: Finished difference Result 5025 states and 7069 transitions. [2021-12-18 04:14:02,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 04:14:02,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 101 [2021-12-18 04:14:02,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:14:02,281 INFO L225 Difference]: With dead ends: 5025 [2021-12-18 04:14:02,282 INFO L226 Difference]: Without dead ends: 3496 [2021-12-18 04:14:02,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:14:02,287 INFO L933 BasicCegarLoop]: 1012 mSDtfsCounter, 908 mSDsluCounter, 1426 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 2438 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:14:02,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [959 Valid, 2438 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [792 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 04:14:02,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2021-12-18 04:14:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 2950. [2021-12-18 04:14:02,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 2076 states have (on average 1.2861271676300579) internal successors, (2670), 2118 states have internal predecessors, (2670), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2021-12-18 04:14:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 3957 transitions. [2021-12-18 04:14:02,391 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 3957 transitions. Word has length 101 [2021-12-18 04:14:02,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:14:02,391 INFO L470 AbstractCegarLoop]: Abstraction has 2950 states and 3957 transitions. [2021-12-18 04:14:02,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-18 04:14:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 3957 transitions. [2021-12-18 04:14:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 04:14:02,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:14:02,399 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:14:02,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 04:14:02,399 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:14:02,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:14:02,400 INFO L85 PathProgramCache]: Analyzing trace with hash -383645622, now seen corresponding path program 1 times [2021-12-18 04:14:02,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:14:02,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727017681] [2021-12-18 04:14:02,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:02,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:14:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:14:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:14:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:14:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:14:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-18 04:14:02,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:14:02,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727017681] [2021-12-18 04:14:02,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727017681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:14:02,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:14:02,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 04:14:02,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996849834] [2021-12-18 04:14:02,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:14:02,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 04:14:02,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:14:02,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 04:14:02,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:14:02,644 INFO L87 Difference]: Start difference. First operand 2950 states and 3957 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2021-12-18 04:14:08,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:14:10,349 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 04:14:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:14:11,917 INFO L93 Difference]: Finished difference Result 7117 states and 9910 transitions. [2021-12-18 04:14:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 04:14:11,918 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2021-12-18 04:14:11,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:14:11,933 INFO L225 Difference]: With dead ends: 7117 [2021-12-18 04:14:11,933 INFO L226 Difference]: Without dead ends: 4196 [2021-12-18 04:14:11,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2021-12-18 04:14:11,940 INFO L933 BasicCegarLoop]: 1148 mSDtfsCounter, 2284 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 7457 mSolverCounterSat, 1293 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 4339 SdHoareTripleChecker+Invalid, 8751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1293 IncrementalHoareTripleChecker+Valid, 7457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:14:11,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2557 Valid, 4339 Invalid, 8751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1293 Valid, 7457 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2021-12-18 04:14:11,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4196 states. [2021-12-18 04:14:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4196 to 3490. [2021-12-18 04:14:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2456 states have (on average 1.278501628664495) internal successors, (3140), 2506 states have internal predecessors, (3140), 752 states have call successors, (752), 276 states have call predecessors, (752), 281 states have return successors, (777), 745 states have call predecessors, (777), 751 states have call successors, (777) [2021-12-18 04:14:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 4669 transitions. [2021-12-18 04:14:12,117 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 4669 transitions. Word has length 103 [2021-12-18 04:14:12,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:14:12,118 INFO L470 AbstractCegarLoop]: Abstraction has 3490 states and 4669 transitions. [2021-12-18 04:14:12,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2021-12-18 04:14:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 4669 transitions. [2021-12-18 04:14:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-18 04:14:12,122 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:14:12,123 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:14:12,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 04:14:12,123 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:14:12,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:14:12,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1730679408, now seen corresponding path program 1 times [2021-12-18 04:14:12,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:14:12,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201144789] [2021-12-18 04:14:12,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:12,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:14:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:14:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:14:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:14:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 04:14:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 04:14:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:14:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-12-18 04:14:12,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:14:12,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201144789] [2021-12-18 04:14:12,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201144789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:14:12,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:14:12,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 04:14:12,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95332623] [2021-12-18 04:14:12,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:14:12,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 04:14:12,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:14:12,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 04:14:12,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:14:12,350 INFO L87 Difference]: Start difference. First operand 3490 states and 4669 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 04:14:15,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:14:15,214 INFO L93 Difference]: Finished difference Result 7571 states and 10519 transitions. [2021-12-18 04:14:15,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:14:15,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 129 [2021-12-18 04:14:15,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:14:15,230 INFO L225 Difference]: With dead ends: 7571 [2021-12-18 04:14:15,230 INFO L226 Difference]: Without dead ends: 4110 [2021-12-18 04:14:15,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:14:15,239 INFO L933 BasicCegarLoop]: 1003 mSDtfsCounter, 873 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 2928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-18 04:14:15,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [924 Valid, 3947 Invalid, 2928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 2122 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-18 04:14:15,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4110 states. [2021-12-18 04:14:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4110 to 3518. [2021-12-18 04:14:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3518 states, 2476 states have (on average 1.2762520193861067) internal successors, (3160), 2528 states have internal predecessors, (3160), 752 states have call successors, (752), 276 states have call predecessors, (752), 289 states have return successors, (789), 751 states have call predecessors, (789), 751 states have call successors, (789) [2021-12-18 04:14:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3518 states and 4701 transitions. [2021-12-18 04:14:15,345 INFO L78 Accepts]: Start accepts. Automaton has 3518 states and 4701 transitions. Word has length 129 [2021-12-18 04:14:15,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:14:15,345 INFO L470 AbstractCegarLoop]: Abstraction has 3518 states and 4701 transitions. [2021-12-18 04:14:15,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 04:14:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3518 states and 4701 transitions. [2021-12-18 04:14:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-18 04:14:15,350 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:14:15,350 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:14:15,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 04:14:15,350 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:14:15,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:14:15,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1502778086, now seen corresponding path program 1 times [2021-12-18 04:14:15,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:14:15,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302485672] [2021-12-18 04:14:15,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:15,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:14:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:14:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:14:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:14:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 04:14:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:14:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:14:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 04:14:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 04:14:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-18 04:14:15,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:14:15,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302485672] [2021-12-18 04:14:15,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302485672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:14:15,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:14:15,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:14:15,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34274422] [2021-12-18 04:14:15,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:14:15,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:14:15,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:14:15,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:14:15,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:14:15,595 INFO L87 Difference]: Start difference. First operand 3518 states and 4701 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 04:14:17,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:14:17,499 INFO L93 Difference]: Finished difference Result 7580 states and 10454 transitions. [2021-12-18 04:14:17,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:14:17,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2021-12-18 04:14:17,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:14:17,523 INFO L225 Difference]: With dead ends: 7580 [2021-12-18 04:14:17,523 INFO L226 Difference]: Without dead ends: 4078 [2021-12-18 04:14:17,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:14:17,539 INFO L933 BasicCegarLoop]: 1041 mSDtfsCounter, 1875 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 1036 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1036 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-18 04:14:17,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 1756 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1036 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-18 04:14:17,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2021-12-18 04:14:17,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 3494. [2021-12-18 04:14:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3494 states, 2454 states have (on average 1.2709861450692748) internal successors, (3119), 2506 states have internal predecessors, (3119), 750 states have call successors, (750), 276 states have call predecessors, (750), 289 states have return successors, (785), 749 states have call predecessors, (785), 749 states have call successors, (785) [2021-12-18 04:14:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 4654 transitions. [2021-12-18 04:14:17,655 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 4654 transitions. Word has length 150 [2021-12-18 04:14:17,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:14:17,655 INFO L470 AbstractCegarLoop]: Abstraction has 3494 states and 4654 transitions. [2021-12-18 04:14:17,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 04:14:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 4654 transitions. [2021-12-18 04:14:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-18 04:14:17,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:14:17,692 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:14:17,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 04:14:17,693 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:14:17,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:14:17,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1027987929, now seen corresponding path program 1 times [2021-12-18 04:14:17,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:14:17,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153708784] [2021-12-18 04:14:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:17,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:14:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:14:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:14:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:14:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 04:14:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:14:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:14:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 04:14:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 04:14:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 04:14:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 04:14:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-18 04:14:18,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:14:18,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153708784] [2021-12-18 04:14:18,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153708784] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:14:18,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787858606] [2021-12-18 04:14:18,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:18,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:14:18,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:14:18,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:14:18,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 04:14:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:18,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-18 04:14:18,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:14:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-18 04:14:18,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:14:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-18 04:14:19,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787858606] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-18 04:14:19,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-18 04:14:19,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12, 8] total 22 [2021-12-18 04:14:19,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674069692] [2021-12-18 04:14:19,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:14:19,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 04:14:19,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:14:19,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 04:14:19,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-12-18 04:14:19,475 INFO L87 Difference]: Start difference. First operand 3494 states and 4654 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-18 04:14:23,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:14:23,397 INFO L93 Difference]: Finished difference Result 8206 states and 11201 transitions. [2021-12-18 04:14:23,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 04:14:23,397 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 158 [2021-12-18 04:14:23,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:14:23,450 INFO L225 Difference]: With dead ends: 8206 [2021-12-18 04:14:23,450 INFO L226 Difference]: Without dead ends: 6126 [2021-12-18 04:14:23,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 334 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2021-12-18 04:14:23,472 INFO L933 BasicCegarLoop]: 1615 mSDtfsCounter, 4175 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 2024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4309 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 5838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2024 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:14:23,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4309 Valid, 3527 Invalid, 5838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2024 Valid, 3814 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 04:14:23,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6126 states. [2021-12-18 04:14:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6126 to 5092. [2021-12-18 04:14:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5092 states, 3569 states have (on average 1.2729055757915382) internal successors, (4543), 3652 states have internal predecessors, (4543), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2021-12-18 04:14:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 6835 transitions. [2021-12-18 04:14:23,801 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 6835 transitions. Word has length 158 [2021-12-18 04:14:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:14:23,802 INFO L470 AbstractCegarLoop]: Abstraction has 5092 states and 6835 transitions. [2021-12-18 04:14:23,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-18 04:14:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 6835 transitions. [2021-12-18 04:14:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-18 04:14:23,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:14:23,810 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:14:23,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 04:14:24,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:14:24,032 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:14:24,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:14:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1503595608, now seen corresponding path program 1 times [2021-12-18 04:14:24,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:14:24,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437984702] [2021-12-18 04:14:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:24,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:14:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:14:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:14:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:14:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 04:14:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:14:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:14:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 04:14:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 04:14:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 04:14:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 04:14:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-18 04:14:24,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:14:24,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437984702] [2021-12-18 04:14:24,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437984702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:14:24,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:14:24,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:14:24,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081427320] [2021-12-18 04:14:24,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:14:24,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:14:24,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:14:24,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:14:24,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:14:24,218 INFO L87 Difference]: Start difference. First operand 5092 states and 6835 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:14:26,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:14:26,642 INFO L93 Difference]: Finished difference Result 9609 states and 13438 transitions. [2021-12-18 04:14:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:14:26,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2021-12-18 04:14:26,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:14:26,673 INFO L225 Difference]: With dead ends: 9609 [2021-12-18 04:14:26,673 INFO L226 Difference]: Without dead ends: 5931 [2021-12-18 04:14:26,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:14:26,685 INFO L933 BasicCegarLoop]: 1009 mSDtfsCounter, 624 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 3204 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:14:26,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [675 Valid, 3204 Invalid, 2252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-18 04:14:26,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2021-12-18 04:14:26,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 5090. [2021-12-18 04:14:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5090 states, 3567 states have (on average 1.271937202130642) internal successors, (4537), 3650 states have internal predecessors, (4537), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2021-12-18 04:14:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5090 states to 5090 states and 6829 transitions. [2021-12-18 04:14:26,903 INFO L78 Accepts]: Start accepts. Automaton has 5090 states and 6829 transitions. Word has length 160 [2021-12-18 04:14:26,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:14:26,904 INFO L470 AbstractCegarLoop]: Abstraction has 5090 states and 6829 transitions. [2021-12-18 04:14:26,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:14:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 5090 states and 6829 transitions. [2021-12-18 04:14:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-18 04:14:26,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:14:26,910 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:14:26,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 04:14:26,911 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:14:26,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:14:26,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1513318799, now seen corresponding path program 1 times [2021-12-18 04:14:26,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:14:26,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913850309] [2021-12-18 04:14:26,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:26,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:14:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:14:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:14:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:14:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 04:14:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:14:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:14:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 04:14:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 04:14:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 04:14:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 04:14:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-18 04:14:27,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:14:27,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913850309] [2021-12-18 04:14:27,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913850309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:14:27,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:14:27,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 04:14:27,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565079592] [2021-12-18 04:14:27,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:14:27,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 04:14:27,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:14:27,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 04:14:27,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 04:14:27,162 INFO L87 Difference]: Start difference. First operand 5090 states and 6829 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:14:30,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:14:30,975 INFO L93 Difference]: Finished difference Result 11009 states and 15299 transitions. [2021-12-18 04:14:30,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 04:14:30,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 162 [2021-12-18 04:14:30,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:14:30,998 INFO L225 Difference]: With dead ends: 11009 [2021-12-18 04:14:30,999 INFO L226 Difference]: Without dead ends: 5971 [2021-12-18 04:14:31,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:14:31,014 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 345 mSDsluCounter, 2475 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 3492 SdHoareTripleChecker+Invalid, 2472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:14:31,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [396 Valid, 3492 Invalid, 2472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 04:14:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5971 states. [2021-12-18 04:14:31,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5971 to 5102. [2021-12-18 04:14:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5102 states, 3579 states have (on average 1.2710254260966751) internal successors, (4549), 3662 states have internal predecessors, (4549), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2021-12-18 04:14:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5102 states to 5102 states and 6841 transitions. [2021-12-18 04:14:31,209 INFO L78 Accepts]: Start accepts. Automaton has 5102 states and 6841 transitions. Word has length 162 [2021-12-18 04:14:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:14:31,210 INFO L470 AbstractCegarLoop]: Abstraction has 5102 states and 6841 transitions. [2021-12-18 04:14:31,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 04:14:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 5102 states and 6841 transitions. [2021-12-18 04:14:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-18 04:14:31,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:14:31,218 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:14:31,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 04:14:31,218 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:14:31,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:14:31,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1008301203, now seen corresponding path program 1 times [2021-12-18 04:14:31,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:14:31,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682226737] [2021-12-18 04:14:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:31,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:14:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:31,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:14:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:31,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:14:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:14:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:14:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:14:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:14:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:14:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:14:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:14:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 04:14:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:14:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-18 04:14:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 04:14:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-12-18 04:14:33,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:14:33,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682226737] [2021-12-18 04:14:33,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682226737] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:14:33,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127793848] [2021-12-18 04:14:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:14:33,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:14:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:14:33,396 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:14:33,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 04:14:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:14:33,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 54 conjunts are in the unsatisfiable core [2021-12-18 04:14:33,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:14:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-18 04:14:34,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:14:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-18 04:14:35,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127793848] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:14:35,271 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:14:35,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 14, 12] total 50 [2021-12-18 04:14:35,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629686684] [2021-12-18 04:14:35,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:14:35,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-12-18 04:14:35,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:14:35,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-12-18 04:14:35,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2320, Unknown=0, NotChecked=0, Total=2450 [2021-12-18 04:14:35,273 INFO L87 Difference]: Start difference. First operand 5102 states and 6841 transitions. Second operand has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2021-12-18 04:15:00,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:15:03,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:15:05,554 WARN L534 Checker$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 04:15:07,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:15:08,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:15:10,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:15:21,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:15:21,530 INFO L93 Difference]: Finished difference Result 13871 states and 19645 transitions. [2021-12-18 04:15:21,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-12-18 04:15:21,530 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) Word has length 163 [2021-12-18 04:15:21,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:15:21,559 INFO L225 Difference]: With dead ends: 13871 [2021-12-18 04:15:21,559 INFO L226 Difference]: Without dead ends: 8798 [2021-12-18 04:15:21,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 360 SyntacticMatches, 6 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4076 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=999, Invalid=15003, Unknown=0, NotChecked=0, Total=16002 [2021-12-18 04:15:21,576 INFO L933 BasicCegarLoop]: 1179 mSDtfsCounter, 3032 mSDsluCounter, 21281 mSDsCounter, 0 mSdLazyCounter, 34425 mSolverCounterSat, 1807 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 22460 SdHoareTripleChecker+Invalid, 36235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 34425 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2021-12-18 04:15:21,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3129 Valid, 22460 Invalid, 36235 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1807 Valid, 34425 Invalid, 3 Unknown, 0 Unchecked, 41.0s Time] [2021-12-18 04:15:21,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8798 states. [2021-12-18 04:15:21,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8798 to 5986. [2021-12-18 04:15:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5986 states, 4207 states have (on average 1.2669360589493701) internal successors, (5330), 4314 states have internal predecessors, (5330), 1267 states have call successors, (1267), 460 states have call predecessors, (1267), 511 states have return successors, (1475), 1270 states have call predecessors, (1475), 1266 states have call successors, (1475) [2021-12-18 04:15:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 8072 transitions. [2021-12-18 04:15:21,873 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 8072 transitions. Word has length 163 [2021-12-18 04:15:21,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:15:21,874 INFO L470 AbstractCegarLoop]: Abstraction has 5986 states and 8072 transitions. [2021-12-18 04:15:21,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2021-12-18 04:15:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 8072 transitions. [2021-12-18 04:15:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-18 04:15:21,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:15:21,886 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:21,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 04:15:22,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-18 04:15:22,100 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:15:22,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:15:22,100 INFO L85 PathProgramCache]: Analyzing trace with hash -762141360, now seen corresponding path program 1 times [2021-12-18 04:15:22,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:15:22,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064021914] [2021-12-18 04:15:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:15:22,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:15:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:15:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:15:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 04:15:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:15:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:15:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 04:15:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 04:15:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:15:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 04:15:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 04:15:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 04:15:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-18 04:15:22,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:15:22,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064021914] [2021-12-18 04:15:22,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064021914] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:15:22,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:15:22,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 04:15:22,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929445898] [2021-12-18 04:15:22,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:15:22,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 04:15:22,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:15:22,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 04:15:22,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:15:22,321 INFO L87 Difference]: Start difference. First operand 5986 states and 8072 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 04:15:28,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:15:29,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:15:29,547 INFO L93 Difference]: Finished difference Result 11896 states and 16476 transitions. [2021-12-18 04:15:29,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:15:29,548 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 186 [2021-12-18 04:15:29,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:15:29,574 INFO L225 Difference]: With dead ends: 11896 [2021-12-18 04:15:29,575 INFO L226 Difference]: Without dead ends: 6743 [2021-12-18 04:15:29,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:15:29,589 INFO L933 BasicCegarLoop]: 1605 mSDtfsCounter, 1527 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 3265 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 4164 SdHoareTripleChecker+Invalid, 4169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 3265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-18 04:15:29,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 4164 Invalid, 4169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 3265 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-18 04:15:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6743 states. [2021-12-18 04:15:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6743 to 5941. [2021-12-18 04:15:29,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5941 states, 4174 states have (on average 1.253473885960709) internal successors, (5232), 4280 states have internal predecessors, (5232), 1260 states have call successors, (1260), 455 states have call predecessors, (1260), 506 states have return successors, (1468), 1264 states have call predecessors, (1468), 1259 states have call successors, (1468) [2021-12-18 04:15:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5941 states to 5941 states and 7960 transitions. [2021-12-18 04:15:29,897 INFO L78 Accepts]: Start accepts. Automaton has 5941 states and 7960 transitions. Word has length 186 [2021-12-18 04:15:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:15:29,897 INFO L470 AbstractCegarLoop]: Abstraction has 5941 states and 7960 transitions. [2021-12-18 04:15:29,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 04:15:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5941 states and 7960 transitions. [2021-12-18 04:15:29,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-18 04:15:29,908 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:15:29,908 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:29,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 04:15:29,908 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:15:29,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:15:29,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1385830112, now seen corresponding path program 1 times [2021-12-18 04:15:29,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:15:29,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228953137] [2021-12-18 04:15:29,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:15:29,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:15:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:15:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:15:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:15:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:15:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:15:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 04:15:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 04:15:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:15:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 04:15:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 04:15:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 04:15:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-18 04:15:30,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:15:30,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228953137] [2021-12-18 04:15:30,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228953137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:15:30,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:15:30,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 04:15:30,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643312218] [2021-12-18 04:15:30,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:15:30,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 04:15:30,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:15:30,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 04:15:30,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:15:30,230 INFO L87 Difference]: Start difference. First operand 5941 states and 7960 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 04:15:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:15:34,549 INFO L93 Difference]: Finished difference Result 11830 states and 16313 transitions. [2021-12-18 04:15:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:15:34,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 177 [2021-12-18 04:15:34,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:15:34,601 INFO L225 Difference]: With dead ends: 11830 [2021-12-18 04:15:34,601 INFO L226 Difference]: Without dead ends: 6706 [2021-12-18 04:15:34,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 04:15:34,619 INFO L933 BasicCegarLoop]: 1004 mSDtfsCounter, 674 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 3638 SdHoareTripleChecker+Invalid, 2575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 576 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:15:34,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 3638 Invalid, 2575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [576 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 04:15:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6706 states. [2021-12-18 04:15:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6706 to 5949. [2021-12-18 04:15:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5949 states, 4182 states have (on average 1.25298900047824) internal successors, (5240), 4288 states have internal predecessors, (5240), 1260 states have call successors, (1260), 455 states have call predecessors, (1260), 506 states have return successors, (1468), 1264 states have call predecessors, (1468), 1259 states have call successors, (1468) [2021-12-18 04:15:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 7968 transitions. [2021-12-18 04:15:34,920 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 7968 transitions. Word has length 177 [2021-12-18 04:15:34,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:15:34,921 INFO L470 AbstractCegarLoop]: Abstraction has 5949 states and 7968 transitions. [2021-12-18 04:15:34,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 04:15:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 7968 transitions. [2021-12-18 04:15:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-18 04:15:34,931 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:15:34,932 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:34,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 04:15:34,932 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:15:34,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:15:34,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1782367305, now seen corresponding path program 1 times [2021-12-18 04:15:34,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:15:34,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839678480] [2021-12-18 04:15:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:15:34,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:15:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:15:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:15:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 04:15:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:15:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:15:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 04:15:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:15:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 04:15:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 04:15:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 04:15:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 04:15:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-18 04:15:35,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:15:35,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839678480] [2021-12-18 04:15:35,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839678480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:15:35,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:15:35,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 04:15:35,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969152651] [2021-12-18 04:15:35,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:15:35,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 04:15:35,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:15:35,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 04:15:35,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:15:35,163 INFO L87 Difference]: Start difference. First operand 5949 states and 7968 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 04:15:40,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:15:40,776 INFO L93 Difference]: Finished difference Result 15422 states and 21390 transitions. [2021-12-18 04:15:40,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:15:40,776 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 187 [2021-12-18 04:15:40,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:15:40,809 INFO L225 Difference]: With dead ends: 15422 [2021-12-18 04:15:40,809 INFO L226 Difference]: Without dead ends: 10306 [2021-12-18 04:15:40,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2021-12-18 04:15:40,828 INFO L933 BasicCegarLoop]: 1233 mSDtfsCounter, 2989 mSDsluCounter, 2900 mSDsCounter, 0 mSdLazyCounter, 2762 mSolverCounterSat, 1909 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3171 SdHoareTripleChecker+Valid, 4133 SdHoareTripleChecker+Invalid, 4671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1909 IncrementalHoareTripleChecker+Valid, 2762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-18 04:15:40,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3171 Valid, 4133 Invalid, 4671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1909 Valid, 2762 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-18 04:15:40,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10306 states. [2021-12-18 04:15:41,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10306 to 8594. [2021-12-18 04:15:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8594 states, 6031 states have (on average 1.2523627922400928) internal successors, (7553), 6180 states have internal predecessors, (7553), 1838 states have call successors, (1838), 652 states have call predecessors, (1838), 724 states have return successors, (2092), 1846 states have call predecessors, (2092), 1837 states have call successors, (2092) [2021-12-18 04:15:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8594 states to 8594 states and 11483 transitions. [2021-12-18 04:15:41,220 INFO L78 Accepts]: Start accepts. Automaton has 8594 states and 11483 transitions. Word has length 187 [2021-12-18 04:15:41,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:15:41,221 INFO L470 AbstractCegarLoop]: Abstraction has 8594 states and 11483 transitions. [2021-12-18 04:15:41,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 04:15:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 8594 states and 11483 transitions. [2021-12-18 04:15:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-18 04:15:41,231 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:15:41,231 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:41,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 04:15:41,231 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:15:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:15:41,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2126858587, now seen corresponding path program 1 times [2021-12-18 04:15:41,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:15:41,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695913566] [2021-12-18 04:15:41,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:15:41,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:15:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:15:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:15:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:15:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:15:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:15:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 04:15:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:15:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 04:15:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 04:15:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 04:15:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 04:15:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-18 04:15:41,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:15:41,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695913566] [2021-12-18 04:15:41,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695913566] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:15:41,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410825718] [2021-12-18 04:15:41,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:15:41,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:15:41,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:15:41,560 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:15:41,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 04:15:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:42,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 04:15:42,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:15:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-18 04:15:42,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:15:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-18 04:15:42,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410825718] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:15:42,639 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:15:42,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2021-12-18 04:15:42,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607600120] [2021-12-18 04:15:42,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:15:42,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-18 04:15:42,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:15:42,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-18 04:15:42,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-12-18 04:15:42,641 INFO L87 Difference]: Start difference. First operand 8594 states and 11483 transitions. Second operand has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 04:15:46,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:15:46,727 INFO L93 Difference]: Finished difference Result 17599 states and 24262 transitions. [2021-12-18 04:15:46,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:15:46,728 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2021-12-18 04:15:46,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:15:46,769 INFO L225 Difference]: With dead ends: 17599 [2021-12-18 04:15:46,770 INFO L226 Difference]: Without dead ends: 9790 [2021-12-18 04:15:46,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2021-12-18 04:15:46,792 INFO L933 BasicCegarLoop]: 1005 mSDtfsCounter, 622 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 4369 SdHoareTripleChecker+Invalid, 3042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:15:46,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 4369 Invalid, 3042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 2496 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 04:15:46,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9790 states. [2021-12-18 04:15:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9790 to 8630. [2021-12-18 04:15:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8630 states, 6067 states have (on average 1.2508653370693918) internal successors, (7589), 6216 states have internal predecessors, (7589), 1838 states have call successors, (1838), 652 states have call predecessors, (1838), 724 states have return successors, (2092), 1846 states have call predecessors, (2092), 1837 states have call successors, (2092) [2021-12-18 04:15:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8630 states to 8630 states and 11519 transitions. [2021-12-18 04:15:47,191 INFO L78 Accepts]: Start accepts. Automaton has 8630 states and 11519 transitions. Word has length 178 [2021-12-18 04:15:47,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:15:47,191 INFO L470 AbstractCegarLoop]: Abstraction has 8630 states and 11519 transitions. [2021-12-18 04:15:47,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 04:15:47,192 INFO L276 IsEmpty]: Start isEmpty. Operand 8630 states and 11519 transitions. [2021-12-18 04:15:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-18 04:15:47,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:15:47,203 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:47,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 04:15:47,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:15:47,426 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:15:47,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:15:47,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1168531488, now seen corresponding path program 2 times [2021-12-18 04:15:47,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:15:47,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363542840] [2021-12-18 04:15:47,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:15:47,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:15:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:15:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:15:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:15:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:15:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:15:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:15:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:15:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:15:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 04:15:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 04:15:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:15:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 04:15:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:15:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 04:15:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-18 04:15:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:15:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-18 04:15:47,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:15:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363542840] [2021-12-18 04:15:47,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363542840] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:15:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311287291] [2021-12-18 04:15:47,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 04:15:47,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:15:47,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:15:47,918 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:15:47,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 04:15:48,516 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 04:15:48,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 04:15:48,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 62 conjunts are in the unsatisfiable core [2021-12-18 04:15:48,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:15:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-18 04:15:49,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:15:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-18 04:15:49,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311287291] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:15:49,732 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:15:49,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 9] total 30 [2021-12-18 04:15:49,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728764232] [2021-12-18 04:15:49,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:15:49,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-18 04:15:49,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:15:49,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-18 04:15:49,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=720, Unknown=0, NotChecked=0, Total=870 [2021-12-18 04:15:49,734 INFO L87 Difference]: Start difference. First operand 8630 states and 11519 transitions. Second operand has 30 states, 30 states have (on average 7.633333333333334) internal successors, (229), 24 states have internal predecessors, (229), 5 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2021-12-18 04:15:57,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:15:59,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:15:59,182 INFO L93 Difference]: Finished difference Result 26806 states and 37314 transitions. [2021-12-18 04:15:59,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-12-18 04:15:59,183 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 7.633333333333334) internal successors, (229), 24 states have internal predecessors, (229), 5 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) Word has length 181 [2021-12-18 04:15:59,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:15:59,257 INFO L225 Difference]: With dead ends: 26806 [2021-12-18 04:15:59,257 INFO L226 Difference]: Without dead ends: 18913 [2021-12-18 04:15:59,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=501, Invalid=2361, Unknown=0, NotChecked=0, Total=2862 [2021-12-18 04:15:59,291 INFO L933 BasicCegarLoop]: 1117 mSDtfsCounter, 2994 mSDsluCounter, 9212 mSDsCounter, 0 mSdLazyCounter, 7742 mSolverCounterSat, 2024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 10329 SdHoareTripleChecker+Invalid, 9766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2024 IncrementalHoareTripleChecker+Valid, 7742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:15:59,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3180 Valid, 10329 Invalid, 9766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2024 Valid, 7742 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-18 04:15:59,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18913 states. [2021-12-18 04:16:00,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18913 to 16600. [2021-12-18 04:16:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16600 states, 11712 states have (on average 1.247096994535519) internal successors, (14606), 11988 states have internal predecessors, (14606), 3513 states have call successors, (3513), 1233 states have call predecessors, (3513), 1374 states have return successors, (3968), 3544 states have call predecessors, (3968), 3512 states have call successors, (3968) [2021-12-18 04:16:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16600 states to 16600 states and 22087 transitions. [2021-12-18 04:16:00,169 INFO L78 Accepts]: Start accepts. Automaton has 16600 states and 22087 transitions. Word has length 181 [2021-12-18 04:16:00,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:16:00,169 INFO L470 AbstractCegarLoop]: Abstraction has 16600 states and 22087 transitions. [2021-12-18 04:16:00,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.633333333333334) internal successors, (229), 24 states have internal predecessors, (229), 5 states have call successors, (49), 8 states have call predecessors, (49), 8 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2021-12-18 04:16:00,169 INFO L276 IsEmpty]: Start isEmpty. Operand 16600 states and 22087 transitions. [2021-12-18 04:16:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-18 04:16:00,184 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:16:00,185 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:00,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-18 04:16:00,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-18 04:16:00,400 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:16:00,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:16:00,400 INFO L85 PathProgramCache]: Analyzing trace with hash -587216006, now seen corresponding path program 1 times [2021-12-18 04:16:00,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:16:00,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126630066] [2021-12-18 04:16:00,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:00,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:16:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:16:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:16:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:16:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 04:16:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 04:16:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 04:16:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 04:16:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:16:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 04:16:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 04:16:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:16:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 04:16:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 04:16:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-18 04:16:00,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:16:00,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126630066] [2021-12-18 04:16:00,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126630066] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:16:00,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:16:00,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 04:16:00,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766778067] [2021-12-18 04:16:00,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:16:00,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 04:16:00,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:16:00,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 04:16:00,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:16:00,720 INFO L87 Difference]: Start difference. First operand 16600 states and 22087 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 04:16:03,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:16:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:16:05,095 INFO L93 Difference]: Finished difference Result 34879 states and 47794 transitions. [2021-12-18 04:16:05,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:16:05,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2021-12-18 04:16:05,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:16:05,157 INFO L225 Difference]: With dead ends: 34879 [2021-12-18 04:16:05,157 INFO L226 Difference]: Without dead ends: 19150 [2021-12-18 04:16:05,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-18 04:16:05,188 INFO L933 BasicCegarLoop]: 984 mSDtfsCounter, 755 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 3694 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:16:05,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 3694 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 04:16:05,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19150 states. [2021-12-18 04:16:06,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19150 to 16672. [2021-12-18 04:16:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16672 states, 11766 states have (on average 1.248002719700833) internal successors, (14684), 12042 states have internal predecessors, (14684), 3525 states have call successors, (3525), 1239 states have call predecessors, (3525), 1380 states have return successors, (3980), 3556 states have call predecessors, (3980), 3524 states have call successors, (3980) [2021-12-18 04:16:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16672 states to 16672 states and 22189 transitions. [2021-12-18 04:16:06,097 INFO L78 Accepts]: Start accepts. Automaton has 16672 states and 22189 transitions. Word has length 208 [2021-12-18 04:16:06,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:16:06,097 INFO L470 AbstractCegarLoop]: Abstraction has 16672 states and 22189 transitions. [2021-12-18 04:16:06,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 04:16:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 16672 states and 22189 transitions. [2021-12-18 04:16:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-18 04:16:06,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:16:06,116 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:06,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 04:16:06,117 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:16:06,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:16:06,117 INFO L85 PathProgramCache]: Analyzing trace with hash -743196548, now seen corresponding path program 1 times [2021-12-18 04:16:06,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:16:06,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154174971] [2021-12-18 04:16:06,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:06,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:16:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:16:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:16:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:16:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 04:16:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 04:16:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 04:16:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 04:16:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:16:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 04:16:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 04:16:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:16:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 04:16:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 04:16:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-18 04:16:06,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:16:06,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154174971] [2021-12-18 04:16:06,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154174971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:16:06,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:16:06,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 04:16:06,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464887810] [2021-12-18 04:16:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:16:06,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 04:16:06,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:16:06,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 04:16:06,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:16:06,315 INFO L87 Difference]: Start difference. First operand 16672 states and 22189 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 04:16:09,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:16:09,454 INFO L93 Difference]: Finished difference Result 35843 states and 50544 transitions. [2021-12-18 04:16:09,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 04:16:09,455 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2021-12-18 04:16:09,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:16:09,546 INFO L225 Difference]: With dead ends: 35843 [2021-12-18 04:16:09,546 INFO L226 Difference]: Without dead ends: 19218 [2021-12-18 04:16:09,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-18 04:16:09,601 INFO L933 BasicCegarLoop]: 976 mSDtfsCounter, 676 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 3648 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:16:09,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [751 Valid, 3648 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [635 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-18 04:16:09,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19218 states. [2021-12-18 04:16:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19218 to 16700. [2021-12-18 04:16:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16700 states, 11780 states have (on average 1.2475382003395585) internal successors, (14696), 12074 states have internal predecessors, (14696), 3521 states have call successors, (3521), 1239 states have call predecessors, (3521), 1398 states have return successors, (4066), 3552 states have call predecessors, (4066), 3520 states have call successors, (4066) [2021-12-18 04:16:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16700 states to 16700 states and 22283 transitions. [2021-12-18 04:16:10,501 INFO L78 Accepts]: Start accepts. Automaton has 16700 states and 22283 transitions. Word has length 208 [2021-12-18 04:16:10,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:16:10,501 INFO L470 AbstractCegarLoop]: Abstraction has 16700 states and 22283 transitions. [2021-12-18 04:16:10,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 04:16:10,502 INFO L276 IsEmpty]: Start isEmpty. Operand 16700 states and 22283 transitions. [2021-12-18 04:16:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-18 04:16:10,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:16:10,518 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:16:10,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 04:16:10,518 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:16:10,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:16:10,519 INFO L85 PathProgramCache]: Analyzing trace with hash -539240044, now seen corresponding path program 1 times [2021-12-18 04:16:10,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:16:10,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283377467] [2021-12-18 04:16:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:10,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:16:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:16:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:16:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:16:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 04:16:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 04:16:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 04:16:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 04:16:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:16:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 04:16:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 04:16:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:16:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 04:16:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 04:16:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-18 04:16:10,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:16:10,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283377467] [2021-12-18 04:16:10,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283377467] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:16:10,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330175285] [2021-12-18 04:16:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:10,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:16:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:16:11,009 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:16:11,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 04:16:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:11,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1571 conjuncts, 52 conjunts are in the unsatisfiable core [2021-12-18 04:16:11,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:16:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-18 04:16:12,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:16:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-18 04:16:12,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330175285] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:16:12,711 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:16:12,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2021-12-18 04:16:12,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716475276] [2021-12-18 04:16:12,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:16:12,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-18 04:16:12,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:16:12,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-18 04:16:12,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-12-18 04:16:12,714 INFO L87 Difference]: Start difference. First operand 16700 states and 22283 transitions. Second operand has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-18 04:16:18,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:16:18,730 INFO L93 Difference]: Finished difference Result 35171 states and 48536 transitions. [2021-12-18 04:16:18,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 04:16:18,731 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) Word has length 208 [2021-12-18 04:16:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:16:18,803 INFO L225 Difference]: With dead ends: 35171 [2021-12-18 04:16:18,803 INFO L226 Difference]: Without dead ends: 19338 [2021-12-18 04:16:18,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 447 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2021-12-18 04:16:18,849 INFO L933 BasicCegarLoop]: 1011 mSDtfsCounter, 1222 mSDsluCounter, 14275 mSDsCounter, 0 mSdLazyCounter, 7751 mSolverCounterSat, 1104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 15286 SdHoareTripleChecker+Invalid, 8855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 7751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-18 04:16:18,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1304 Valid, 15286 Invalid, 8855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1104 Valid, 7751 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-18 04:16:18,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19338 states. [2021-12-18 04:16:19,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19338 to 16718. [2021-12-18 04:16:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16718 states, 11798 states have (on average 1.2471605356840143) internal successors, (14714), 12086 states have internal predecessors, (14714), 3521 states have call successors, (3521), 1239 states have call predecessors, (3521), 1398 states have return successors, (4066), 3558 states have call predecessors, (4066), 3520 states have call successors, (4066) [2021-12-18 04:16:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16718 states to 16718 states and 22301 transitions. [2021-12-18 04:16:19,794 INFO L78 Accepts]: Start accepts. Automaton has 16718 states and 22301 transitions. Word has length 208 [2021-12-18 04:16:19,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:16:19,794 INFO L470 AbstractCegarLoop]: Abstraction has 16718 states and 22301 transitions. [2021-12-18 04:16:19,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-18 04:16:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 16718 states and 22301 transitions. [2021-12-18 04:16:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-18 04:16:19,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:16:19,825 INFO L514 BasicCegarLoop]: trace histogram [10, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:19,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 04:16:20,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:16:20,026 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:16:20,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:16:20,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1248281723, now seen corresponding path program 1 times [2021-12-18 04:16:20,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:16:20,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160150684] [2021-12-18 04:16:20,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:20,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:16:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:16:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:16:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:16:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 04:16:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 04:16:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:16:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:16:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:16:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 04:16:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 04:16:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 04:16:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 04:16:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 04:16:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 04:16:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 04:16:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 04:16:20,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:16:20,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160150684] [2021-12-18 04:16:20,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160150684] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:16:20,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646936604] [2021-12-18 04:16:20,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:20,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:16:20,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:16:20,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:16:20,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 04:16:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:22,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-18 04:16:22,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:16:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 04:16:22,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:16:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 04:16:23,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646936604] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:16:23,567 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:16:23,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 42 [2021-12-18 04:16:23,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935908770] [2021-12-18 04:16:23,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:16:23,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-12-18 04:16:23,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:16:23,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-12-18 04:16:23,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=1380, Unknown=0, NotChecked=0, Total=1722 [2021-12-18 04:16:23,570 INFO L87 Difference]: Start difference. First operand 16718 states and 22301 transitions. Second operand has 42 states, 42 states have (on average 4.5) internal successors, (189), 37 states have internal predecessors, (189), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 04:16:29,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:16:29,755 INFO L93 Difference]: Finished difference Result 35201 states and 48748 transitions. [2021-12-18 04:16:29,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 04:16:29,756 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.5) internal successors, (189), 37 states have internal predecessors, (189), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 206 [2021-12-18 04:16:29,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:16:29,839 INFO L225 Difference]: With dead ends: 35201 [2021-12-18 04:16:29,839 INFO L226 Difference]: Without dead ends: 19254 [2021-12-18 04:16:29,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 425 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=526, Invalid=1826, Unknown=0, NotChecked=0, Total=2352 [2021-12-18 04:16:29,892 INFO L933 BasicCegarLoop]: 1004 mSDtfsCounter, 1245 mSDsluCounter, 10004 mSDsCounter, 0 mSdLazyCounter, 5746 mSolverCounterSat, 1182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 11008 SdHoareTripleChecker+Invalid, 6928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1182 IncrementalHoareTripleChecker+Valid, 5746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:16:29,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1296 Valid, 11008 Invalid, 6928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1182 Valid, 5746 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 04:16:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19254 states. [2021-12-18 04:16:30,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19254 to 16862. [2021-12-18 04:16:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16862 states, 11942 states have (on average 1.2441802043208843) internal successors, (14858), 12230 states have internal predecessors, (14858), 3521 states have call successors, (3521), 1239 states have call predecessors, (3521), 1398 states have return successors, (4066), 3558 states have call predecessors, (4066), 3520 states have call successors, (4066) [2021-12-18 04:16:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16862 states to 16862 states and 22445 transitions. [2021-12-18 04:16:30,820 INFO L78 Accepts]: Start accepts. Automaton has 16862 states and 22445 transitions. Word has length 206 [2021-12-18 04:16:30,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:16:30,821 INFO L470 AbstractCegarLoop]: Abstraction has 16862 states and 22445 transitions. [2021-12-18 04:16:30,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.5) internal successors, (189), 37 states have internal predecessors, (189), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 04:16:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand 16862 states and 22445 transitions. [2021-12-18 04:16:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-18 04:16:30,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:16:30,836 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:16:30,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 04:16:31,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:16:31,075 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:16:31,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:16:31,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1383710344, now seen corresponding path program 2 times [2021-12-18 04:16:31,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:16:31,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169819762] [2021-12-18 04:16:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:31,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:16:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:16:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 04:16:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 04:16:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 04:16:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 04:16:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 04:16:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:16:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:16:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 04:16:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 04:16:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 04:16:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 04:16:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:16:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:16:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 04:16:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 04:16:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:16:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-18 04:16:31,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:16:31,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169819762] [2021-12-18 04:16:31,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169819762] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 04:16:31,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102473324] [2021-12-18 04:16:31,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 04:16:31,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:16:31,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:16:31,588 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 04:16:31,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 04:16:32,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 04:16:32,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 04:16:32,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1571 conjuncts, 42 conjunts are in the unsatisfiable core [2021-12-18 04:16:32,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 04:16:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 04:16:32,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 04:16:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-18 04:16:33,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102473324] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 04:16:33,009 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 04:16:33,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 27 [2021-12-18 04:16:33,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169768863] [2021-12-18 04:16:33,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 04:16:33,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-18 04:16:33,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:16:33,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-18 04:16:33,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-12-18 04:16:33,010 INFO L87 Difference]: Start difference. First operand 16862 states and 22445 transitions. Second operand has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2021-12-18 04:16:39,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:16:39,877 INFO L93 Difference]: Finished difference Result 35519 states and 48894 transitions. [2021-12-18 04:16:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 04:16:39,877 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) Word has length 208 [2021-12-18 04:16:39,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:16:39,953 INFO L225 Difference]: With dead ends: 35519 [2021-12-18 04:16:39,953 INFO L226 Difference]: Without dead ends: 19524 [2021-12-18 04:16:40,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 452 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2021-12-18 04:16:40,002 INFO L933 BasicCegarLoop]: 1012 mSDtfsCounter, 961 mSDsluCounter, 15093 mSDsCounter, 0 mSdLazyCounter, 8169 mSolverCounterSat, 842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 16105 SdHoareTripleChecker+Invalid, 9011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 842 IncrementalHoareTripleChecker+Valid, 8169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:16:40,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1042 Valid, 16105 Invalid, 9011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [842 Valid, 8169 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 04:16:40,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19524 states. [2021-12-18 04:16:40,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19524 to 16880. [2021-12-18 04:16:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16880 states, 11960 states have (on average 1.2438127090301003) internal successors, (14876), 12242 states have internal predecessors, (14876), 3521 states have call successors, (3521), 1239 states have call predecessors, (3521), 1398 states have return successors, (4066), 3564 states have call predecessors, (4066), 3520 states have call successors, (4066) [2021-12-18 04:16:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16880 states to 16880 states and 22463 transitions. [2021-12-18 04:16:40,922 INFO L78 Accepts]: Start accepts. Automaton has 16880 states and 22463 transitions. Word has length 208 [2021-12-18 04:16:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:16:40,923 INFO L470 AbstractCegarLoop]: Abstraction has 16880 states and 22463 transitions. [2021-12-18 04:16:40,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2021-12-18 04:16:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 16880 states and 22463 transitions. [2021-12-18 04:16:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-12-18 04:16:40,940 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:16:40,940 INFO L514 BasicCegarLoop]: trace histogram [16, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:40,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 04:16:41,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 04:16:41,149 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:16:41,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:16:41,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1432583136, now seen corresponding path program 3 times [2021-12-18 04:16:41,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:16:41,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801971933] [2021-12-18 04:16:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:16:41,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:16:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 04:16:41,434 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 04:16:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 04:16:41,638 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 04:16:41,638 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 04:16:41,639 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 04:16:41,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 04:16:41,643 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 04:16:41,646 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 04:16:41,680 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,681 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,681 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,681 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,681 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,681 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,682 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,682 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,682 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,683 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,683 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,683 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,683 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,683 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-18 04:16:41,686 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 04:16:41,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 04:16:41 BoogieIcfgContainer [2021-12-18 04:16:41,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 04:16:41,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 04:16:41,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 04:16:41,810 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 04:16:41,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:13:46" (3/4) ... [2021-12-18 04:16:41,813 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 04:16:41,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 04:16:41,813 INFO L158 Benchmark]: Toolchain (without parser) took 178678.83ms. Allocated memory was 109.1MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 67.7MB in the beginning and 846.3MB in the end (delta: -778.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-12-18 04:16:41,814 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 04:16:41,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1426.61ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 67.4MB in the beginning and 74.1MB in the end (delta: -6.7MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2021-12-18 04:16:41,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.37ms. Allocated memory is still 134.2MB. Free memory was 74.1MB in the beginning and 61.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-18 04:16:41,815 INFO L158 Benchmark]: Boogie Preprocessor took 126.70ms. Allocated memory is still 134.2MB. Free memory was 61.6MB in the beginning and 73.4MB in the end (delta: -11.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-12-18 04:16:41,815 INFO L158 Benchmark]: RCFGBuilder took 1826.23ms. Allocated memory was 134.2MB in the beginning and 211.8MB in the end (delta: 77.6MB). Free memory was 73.4MB in the beginning and 129.1MB in the end (delta: -55.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-12-18 04:16:41,817 INFO L158 Benchmark]: TraceAbstraction took 175169.70ms. Allocated memory was 211.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 129.1MB in the beginning and 847.3MB in the end (delta: -718.3MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-12-18 04:16:41,817 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 2.2GB. Free memory was 847.3MB in the beginning and 846.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 04:16:41,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1426.61ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 67.4MB in the beginning and 74.1MB in the end (delta: -6.7MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.37ms. Allocated memory is still 134.2MB. Free memory was 74.1MB in the beginning and 61.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.70ms. Allocated memory is still 134.2MB. Free memory was 61.6MB in the beginning and 73.4MB in the end (delta: -11.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1826.23ms. Allocated memory was 134.2MB in the beginning and 211.8MB in the end (delta: 77.6MB). Free memory was 73.4MB in the beginning and 129.1MB in the end (delta: -55.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * TraceAbstraction took 175169.70ms. Allocated memory was 211.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 129.1MB in the beginning and 847.3MB in the end (delta: -718.3MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 2.2GB. Free memory was 847.3MB in the beginning and 846.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5773, overapproximation of bitwiseOr at line 5854, overapproximation of bitwiseAnd at line 6497. Possible FailurePath: [L5672] int LDV_IN_INTERRUPT = 1; [L5673] int ref_cnt ; [L5674] struct phy_device *dp83640_driver_group0 ; [L5675] int ldv_state_variable_1 ; [L5676] struct sk_buff *dp83640_driver_group1 ; [L5677] int ldv_state_variable_0 ; [L5717] static int chosen_phy = -1; [L5718-L5720] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5772] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5773-L5776] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6084-L6085] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L6086-L6087] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7237-L7242] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L7259] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L7260] int ldv_retval_0 ; [L7261] int ldv_retval_1 ; [L7590] Element set_impl[15] ; [L7591] int last_index = 0; [L7725] Set LDV_SKBS ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7278] int ldvarg1 ; [L7279] int tmp ; [L7280] struct ifreq *ldvarg3 ; [L7281] void *tmp___0 ; [L7282] struct ethtool_ts_info *ldvarg0 ; [L7283] void *tmp___1 ; [L7284] int ldvarg2 ; [L7285] int tmp___2 ; [L7286] int tmp___3 ; [L7287] int tmp___4 ; [L7288] int tmp___5 ; [L7290] tmp = __VERIFIER_nondet_int() [L7291] ldvarg1 = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50] [L7292] CALL, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=40, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7292] RET, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(40UL)={0:0}, ldvarg1=50, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50] [L7292] tmp___0 = ldv_zalloc(40UL) [L7293] ldvarg3 = (struct ifreq *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}] [L7294] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=44, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7294] RET, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(44UL)={0:0}, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}] [L7294] tmp___1 = ldv_zalloc(44UL) [L7295] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7296] tmp___2 = __VERIFIER_nondet_int() [L7297] ldvarg2 = tmp___2 [L7298] CALL ldv_initialize() [L7744] CALL ldv_set_init(LDV_SKBS) [L7596] set = set_impl [L7597] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={39:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7744] RET ldv_set_init(LDV_SKBS) [L7298] RET ldv_initialize() [L7299] ldv_state_variable_1 = 0 [L7300] ref_cnt = 0 [L7301] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: [L7450] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7451] COND TRUE ldv_state_variable_0 == 1 [L7452] CALL, EXPR dp83640_init() [L7245] int tmp ; [L7247] CALL, EXPR phy_driver_register(& dp83640_driver) [L7899] return __VERIFIER_nondet_int(); [L7247] RET, EXPR phy_driver_register(& dp83640_driver) [L7247] tmp = phy_driver_register(& dp83640_driver) [L7248] return (tmp); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=0] [L7452] RET, EXPR dp83640_init() [L7452] ldv_retval_1 = dp83640_init() [L7453] COND TRUE ldv_retval_1 == 0 [L7454] ldv_state_variable_0 = 3 [L7455] ldv_state_variable_1 = 1 [L7456] CALL ldv_initialize_phy_driver_1() [L7266] void *tmp ; [L7267] void *tmp___0 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7269] CALL, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=2048, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=2048, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7269] RET, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(2048UL)={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7269] tmp = ldv_zalloc(2048UL) [L7270] dp83640_driver_group0 = (struct phy_device *)tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={0:0}] [L7271] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=232, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___0=1] [L7271] RET, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(232UL)={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={0:0}] [L7271] tmp___0 = ldv_zalloc(232UL) [L7272] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={0:0}, tmp___0={0:0}] [L7456] RET ldv_initialize_phy_driver_1() [L7459] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7381] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7382] CALL dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7172] struct dp83640_private *dp83640 ; [L7173] bool tmp ; [L7175] EXPR phydev->priv [L7175] dp83640 = (struct dp83640_private *)phydev->priv [L7176] EXPR dp83640->hwts_rx_en VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640->hwts_rx_en=18446744073709551621, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, type=50] [L7176] COND FALSE !(dp83640->hwts_rx_en == 0) [L7180] CALL, EXPR is_status_frame(skb, type) [L6126] struct ethhdr *h ; [L6127] struct ethhdr *tmp ; [L6128] int tmp___0 ; [L6130] CALL, EXPR eth_hdr((struct sk_buff const *)skb) [L5681] unsigned char *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5683] CALL, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5577] EXPR skb->head [L5577] EXPR skb->mac_header [L5577] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5683] RET, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, skb_mac_header(skb)={18446744073709551617:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5683] tmp = skb_mac_header(skb) [L5684] return ((struct ethhdr *)tmp); VAL [\old(last_index)=0, \result={18446744073709551617:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={18446744073709551617:0}] [L6130] RET, EXPR eth_hdr((struct sk_buff const *)skb) [L6130] tmp = eth_hdr((struct sk_buff const *)skb) [L6131] h = tmp VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, h={18446744073709551617:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={18446744073709551617:0}, type=50] [L6132] COND TRUE type == 50 [L6133-L6134] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6135] COND TRUE tmp___0 == 0 [L6136] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, h={18446744073709551617:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={18446744073709551617:0}, tmp___0=0, type=50] [L7180] RET, EXPR is_status_frame(skb, type) [L7180] tmp = is_status_frame(skb, type) [L7181] COND TRUE (int )tmp [L7182] CALL decode_status_frame(dp83640, skb) [L6482] struct phy_rxts *phy_rxts ; [L6483] struct phy_txts *phy_txts ; [L6484] u8 *ptr ; [L6485] int len ; [L6486] int size ; [L6487] u16 ests ; [L6488] u16 type ; [L6489] unsigned int tmp ; [L6491] EXPR skb->data [L6491] ptr = skb->data + 2U [L6492] CALL, EXPR skb_headlen((struct sk_buff const *)skb) [L5571] EXPR skb->len [L5571] EXPR skb->data_len [L5571] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6492] RET, EXPR skb_headlen((struct sk_buff const *)skb) [L6492] tmp = skb_headlen((struct sk_buff const *)skb) [L6493] len = (int )(tmp - 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={18446744073709551618:-10}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=12] [L6520] COND TRUE (unsigned int )len > 2U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={18446744073709551618:-10}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=12] [L6496] EXPR \read(*ptr) [L6496] type = *((u16 *)ptr) [L6497] ests = (unsigned int )type & 4095U [L6498] type = (unsigned int )type & 61440U [L6499] len = (int )((unsigned int )len - 2U) [L6500] ptr = ptr + 2UL VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={18446744073709551618:-8}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=12] [L6501] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={18446744073709551618:-8}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=12, type=4096] [L6506] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6507] phy_txts = (struct phy_txts *)ptr [L6508] CALL decode_txts(dp83640, phy_txts) [L6451] struct skb_shared_hwtstamps shhwtstamps ; [L6452] struct sk_buff *skb ; [L6453] u64 ns ; [L6454] struct _ddebug descriptor ; [L6455] long tmp ; [L6457] CALL, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L7537] struct sk_buff *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, ldv_func_arg1={18446744073709551622:2692}, ldv_func_arg1={18446744073709551622:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7539] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7728] void *skb ; [L7729] void *tmp___7 ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7731] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND FALSE !(tmp___0 != 0) [L5621] EXPR, FCALL calloc(1UL, size) [L5621] tmp = calloc(1UL, size) [L5622] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5623] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, cond=1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5623] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5624] CALL, EXPR IS_ERR(p) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7494] bool tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7496] CALL, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7692] return ((unsigned long )ptr > 2012UL); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7496] RET, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7496] tmp = ldv_is_err(ptr) [L7497] return (tmp); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=0] [L5624] RET, EXPR IS_ERR(p) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5624] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, cond=1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5624] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5625] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, size=248, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L7731] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7731] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7732] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___7={-18446744073709551615:0}] [L7733] COND FALSE !(! skb) [L7736] CALL ldv_set_add(LDV_SKBS, skb) [L7604] int i ; [L7606] i = 0 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={33:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7607] COND TRUE 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={33:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7608] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={33:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7618] COND TRUE last_index < 15 [L7619] set_impl[last_index] = e [L7620] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7736] RET ldv_set_add(LDV_SKBS, skb) [L7737] return (skb); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___7={-18446744073709551615:0}] [L7539] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, ldv_func_arg1={18446744073709551622:2692}, ldv_func_arg1={18446744073709551622:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7539] tmp = ldv_skb_alloc() [L7540] return (tmp); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, ldv_func_arg1={18446744073709551622:2692}, ldv_func_arg1={18446744073709551622:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp={-18446744073709551615:0}] [L6457] RET, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L6457] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6458] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, descriptor={43:0}, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy_txts={18446744073709551618:-8}, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, shhwtstamps={42:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6473] CALL, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5850] u64 ns ; [L5851] u32 sec ; [L5853] EXPR p->sec_lo [L5853] sec = (u32 )p->sec_lo [L5854] EXPR p->sec_hi [L5854] sec = (u32 )((int )p->sec_hi << 16) | sec [L5855] EXPR p->ns_lo [L5855] ns = (u64 )p->ns_lo [L5856] EXPR p->ns_hi [L5856] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns [L5857] ns = (unsigned long long )sec * 1000000000ULL + ns [L5858] return (ns); VAL [\old(last_index)=0, \result=18446744073709551613, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=18446744073709551613, p={18446744073709551618:-8}, p={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6473] RET, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, descriptor={43:0}, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy2txts(phy_txts)=18446744073709551613, phy_txts={18446744073709551618:-8}, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, shhwtstamps={42:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6473] ns = phy2txts(phy_txts) [L6474] FCALL memset((void *)(& shhwtstamps), 0, 16UL) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, descriptor={43:0}, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, memset((void *)(& shhwtstamps), 0, 16UL)={42:0}, ns=18446744073709551613, phy_txts={18446744073709551618:-8}, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, shhwtstamps={42:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6475] CALL, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, \old(ns)=18446744073709551613, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [\old(last_index)=0, \old(ns)=18446744073709551613, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=18446744073709551613, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, unknown-#res!tv64-unknown=-3] [L6475] RET, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, descriptor={43:0}, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=18446744073709551613, ns_to_ktime(ns)=-3, phy_txts={18446744073709551618:-8}, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, shhwtstamps={42:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6475] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6476] FCALL skb_complete_tx_timestamp(skb, & shhwtstamps) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, descriptor={43:0}, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=18446744073709551613, phy_txts={18446744073709551618:-8}, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, shhwtstamps={42:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6477] return; [L6477] return; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=18446744073709551613, phy_txts={18446744073709551618:-8}, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6508] RET decode_txts(dp83640, phy_txts) [L6509] size = 8 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={18446744073709551618:-8}, ref_cnt=0, set_impl={39:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=12, type=4096] [L6517] ptr = ptr + (unsigned long )size [L6518] len = len - size VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=0, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={18446744073709551618:0}, ref_cnt=0, set_impl={39:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=12, type=4096] [L6520] COND FALSE !((unsigned int )len > 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=0, phy_txts={18446744073709551618:-8}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ptr={18446744073709551618:0}, ref_cnt=0, set_impl={39:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=12, type=4096] [L7182] RET decode_status_frame(dp83640, skb) [L7183] CALL ldv_kfree_skb_18(skb) [L7585] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7751] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7629] int i ; [L7630] int deleted_index ; [L7632] deleted_index = -1 [L7633] i = 0 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7635] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7639] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, set_impl[i]={-18446744073709551615:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7639] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7644] i = i + 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7635] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7646] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, deleted_index=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={33:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7751] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7585] RET ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7183] RET ldv_kfree_skb_18(skb) [L7184] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640={18446744073709551622:0}, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, skb={0:0}, skb={0:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=1, type=50] [L7382] RET dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1)=1, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7383] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7386] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7443] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7444] CALL dp83640_exit() [L7254] CALL dp83640_free_clocks() [L6625] struct dp83640_clock *clock ; [L6626] struct list_head *this ; [L6627] struct list_head *next ; [L6628] struct list_head const *__mptr ; [L6629] int tmp ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6631] FCALL mutex_lock_nested(& phyter_clocks_lock, 0U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L6632] EXPR phyter_clocks.next [L6632] this = phyter_clocks.next [L6633] EXPR this->next [L6633] next = this->next [L6656] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={34:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, this={34:0}] [L6660] FCALL mutex_unlock(& phyter_clocks_lock) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={34:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, this={34:0}] [L7254] RET dp83640_free_clocks() [L7255] FCALL phy_driver_unregister(& dp83640_driver) [L7444] RET dp83640_exit() [L7445] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7480] CALL ldv_check_final_state() [L7795] int tmp___7 ; [L7797] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7686] return (last_index == 0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L7797] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7797] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7798] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}, tmp___7=0] [L7800] CALL ldv_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] [L5649] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={18446744073709551616:18446744073709551614}, chosen_phy=-1, dp83640_driver={38:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={33:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={34:0}, phyter_clocks_lock={35:0}, ref_cnt=0, set_impl={39:0}, status_frame_dst={36:0}, status_frame_src={37:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 827 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 175.0s, OverallIterations: 22, TraceHistogramMax: 16, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 143.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 35087 SdHoareTripleChecker+Valid, 123.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32894 mSDsluCounter, 130980 SdHoareTripleChecker+Invalid, 111.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 107529 mSDsCounter, 21915 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102688 IncrementalHoareTripleChecker+Invalid, 124607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21915 mSolverCounterUnsat, 23451 mSDtfsCounter, 102688 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3690 GetRequests, 3197 SyntacticMatches, 23 SemanticMatches, 470 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5997 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16880occurred in iteration=21, InterpolantAutomatonStates: 355, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 28387 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 4778 NumberOfCodeBlocks, 4778 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 5852 ConstructedInterpolants, 0 QuantifiedInterpolants, 15676 SizeOfPredicates, 54 NumberOfNonLiveVariables, 10659 ConjunctsInSsa, 254 ConjunctsInUnsatCore, 35 InterpolantComputations, 15 PerfectInterpolantSequences, 2183/2448 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 04:16:41,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:16:43,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:16:43,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:16:43,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:16:43,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:16:43,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:16:43,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:16:43,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:16:43,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:16:43,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:16:43,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:16:43,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:16:43,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:16:43,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:16:43,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:16:43,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:16:43,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:16:43,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:16:43,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:16:43,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:16:43,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:16:43,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:16:43,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:16:43,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:16:43,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:16:43,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:16:43,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:16:43,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:16:43,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:16:43,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:16:43,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:16:43,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:16:43,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:16:43,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:16:43,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:16:43,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:16:43,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:16:43,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:16:43,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:16:43,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:16:43,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:16:43,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 04:16:43,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:16:43,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:16:43,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:16:43,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:16:43,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:16:43,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:16:43,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:16:43,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:16:43,825 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:16:43,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:16:43,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:16:43,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:16:43,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:16:43,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:16:43,826 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 04:16:43,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 04:16:43,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 04:16:43,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:16:43,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:16:43,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:16:43,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:16:43,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:16:43,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:16:43,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:16:43,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:16:43,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:16:43,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:16:43,828 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 04:16:43,829 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 04:16:43,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:16:43,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:16:43,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:16:43,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:16:43,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 04:16:43,830 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2021-12-18 04:16:44,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:16:44,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:16:44,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:16:44,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:16:44,157 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:16:44,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-12-18 04:16:44,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33913584/9b43ed0e41404fcdabca121ec54b04c6/FLAGbffdb9fe9 [2021-12-18 04:16:44,821 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:16:44,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2021-12-18 04:16:44,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33913584/9b43ed0e41404fcdabca121ec54b04c6/FLAGbffdb9fe9 [2021-12-18 04:16:44,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33913584/9b43ed0e41404fcdabca121ec54b04c6 [2021-12-18 04:16:45,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:16:45,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:16:45,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:16:45,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:16:45,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:16:45,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:16:44" (1/1) ... [2021-12-18 04:16:45,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c5e7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:16:45, skipping insertion in model container [2021-12-18 04:16:45,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:16:44" (1/1) ... [2021-12-18 04:16:45,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:16:45,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:16:45,735 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2021-12-18 04:16:45,983 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:996) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:674) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:730) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-18 04:16:45,990 INFO L158 Benchmark]: Toolchain (without parser) took 988.11ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.2MB in the beginning and 35.4MB in the end (delta: 3.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-12-18 04:16:45,991 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 55.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 04:16:45,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 986.65ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.1MB in the beginning and 35.4MB in the end (delta: 3.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-12-18 04:16:45,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 55.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 986.65ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.1MB in the beginning and 35.4MB in the end (delta: 3.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type