./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.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 dc77dba7d0a42d28a45b5d35d96b429d0886353a9713255eb9fc5a14ecd01454 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 22:33:59,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 22:33:59,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 22:33:59,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 22:33:59,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 22:33:59,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 22:33:59,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 22:33:59,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 22:33:59,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 22:33:59,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 22:33:59,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 22:33:59,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 22:33:59,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 22:33:59,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 22:33:59,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 22:33:59,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 22:33:59,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 22:33:59,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 22:33:59,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 22:33:59,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 22:33:59,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 22:33:59,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 22:33:59,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 22:33:59,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 22:33:59,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 22:33:59,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 22:33:59,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 22:33:59,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 22:33:59,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 22:33:59,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 22:33:59,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 22:33:59,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 22:33:59,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 22:33:59,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 22:33:59,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 22:33:59,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 22:33:59,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 22:33:59,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 22:33:59,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 22:33:59,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 22:33:59,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 22:33:59,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 22:33:59,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 22:33:59,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 22:33:59,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 22:33:59,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 22:33:59,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 22:33:59,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 22:33:59,711 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 22:33:59,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 22:33:59,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 22:33:59,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 22:33:59,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 22:33:59,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 22:33:59,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 22:33:59,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 22:33:59,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 22:33:59,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 22:33:59,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 22:33:59,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 22:33:59,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 22:33:59,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 22:33:59,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 22:33:59,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 22:33:59,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 22:33:59,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 22:33:59,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 22:33:59,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 22:33:59,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 22:33:59,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 22:33:59,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 22:33:59,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc77dba7d0a42d28a45b5d35d96b429d0886353a9713255eb9fc5a14ecd01454 [2021-11-05 22:33:59,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 22:34:00,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 22:34:00,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 22:34:00,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 22:34:00,036 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 22:34:00,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-05 22:34:00,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04095b3e/38e093f035aa4c3ca34f3b225c0c1670/FLAG6bc2a81e0 [2021-11-05 22:34:00,938 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 22:34:00,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-05 22:34:01,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04095b3e/38e093f035aa4c3ca34f3b225c0c1670/FLAG6bc2a81e0 [2021-11-05 22:34:01,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c04095b3e/38e093f035aa4c3ca34f3b225c0c1670 [2021-11-05 22:34:01,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 22:34:01,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 22:34:01,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 22:34:01,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 22:34:01,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 22:34:01,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:34:01" (1/1) ... [2021-11-05 22:34:01,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40530d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:01, skipping insertion in model container [2021-11-05 22:34:01,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:34:01" (1/1) ... [2021-11-05 22:34:01,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 22:34:01,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 22:34:12,070 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2021-11-05 22:34:12,072 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2021-11-05 22:34:12,073 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2021-11-05 22:34:12,073 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2021-11-05 22:34:12,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 22:34:12,238 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 22:34:12,647 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2021-11-05 22:34:12,648 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2021-11-05 22:34:12,648 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2021-11-05 22:34:12,649 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2021-11-05 22:34:12,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 22:34:13,225 INFO L208 MainTranslator]: Completed translation [2021-11-05 22:34:13,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13 WrapperNode [2021-11-05 22:34:13,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 22:34:13,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 22:34:13,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 22:34:13,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 22:34:13,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:13,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:14,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 22:34:14,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 22:34:14,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 22:34:14,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 22:34:14,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:14,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:15,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:15,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:15,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:16,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:16,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:16,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 22:34:16,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 22:34:16,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 22:34:16,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 22:34:16,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (1/1) ... [2021-11-05 22:34:16,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 22:34:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 22:34:16,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 22:34:16,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 22:34:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-05 22:34:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-05 22:34:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-05 22:34:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-05 22:34:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-05 22:34:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-05 22:34:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-05 22:34:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-05 22:34:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 22:34:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 22:34:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-05 22:34:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-05 22:34:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 22:34:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 22:34:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-05 22:34:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-05 22:34:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-05 22:34:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-05 22:34:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 22:34:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 22:34:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 22:34:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 22:34:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-05 22:34:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-05 22:34:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-05 22:34:16,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-05 22:34:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-05 22:34:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-05 22:34:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 22:34:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-05 22:34:16,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-05 22:34:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 22:34:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-05 22:34:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-05 22:34:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-05 22:34:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-05 22:34:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-05 22:34:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-05 22:34:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 22:34:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-05 22:34:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-05 22:34:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-05 22:34:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-05 22:34:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-05 22:34:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-05 22:34:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-05 22:34:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-05 22:34:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-05 22:34:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-05 22:34:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 22:34:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-05 22:34:16,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-05 22:34:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 22:34:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 22:34:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-05 22:34:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-05 22:34:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-05 22:34:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-05 22:34:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-05 22:34:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-05 22:34:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-05 22:34:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-05 22:34:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-05 22:34:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-05 22:34:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-05 22:34:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-05 22:34:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-05 22:34:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-05 22:34:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 22:34:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 22:34:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-05 22:34:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-05 22:34:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-05 22:34:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-05 22:34:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 22:34:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 22:34:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-05 22:34:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-05 22:34:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-05 22:34:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-05 22:34:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-05 22:34:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-05 22:34:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-05 22:34:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-05 22:34:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 22:34:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 22:34:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 22:34:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-05 22:34:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-05 22:34:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-05 22:34:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-05 22:36:01,233 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break: ldv_switch_6_#res := 0; [2021-11-05 22:36:01,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 22:36:01,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-05 22:36:01,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-05 22:36:01,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 22:36:01,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#4: ldv_switch_6_#res := 0; [2021-11-05 22:36:01,235 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#3: ldv_switch_6_#res := 0; [2021-11-05 22:36:01,236 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#2: ldv_switch_6_#res := 0; [2021-11-05 22:36:01,236 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break#2: ldv_switch_5_#res := 0; [2021-11-05 22:36:01,236 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0; [2021-11-05 22:36:01,236 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#3: ldv_switch_4_#res := 0; [2021-11-05 22:36:01,236 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break: ldv_switch_5_#res := 0; [2021-11-05 22:36:01,236 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_8_switch_break#2: ldv_switch_8_#res := 0; [2021-11-05 22:36:01,236 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-05 22:36:01,237 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2021-11-05 22:36:01,237 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 22:36:01,237 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break#2: ldv_switch_3_#res := 0; [2021-11-05 22:36:01,237 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 22:36:01,238 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-05 22:36:01,238 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_7_switch_break: ldv_switch_7_#res := 0; [2021-11-05 22:36:01,239 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-05 22:36:01,239 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_9_switch_break: ldv_switch_9_#res := 0; [2021-11-05 22:36:01,239 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_8_switch_break: ldv_switch_8_#res := 0; [2021-11-05 22:36:01,240 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-05 22:36:01,241 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 22:36:01,481 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 22:36:01,482 INFO L299 CfgBuilder]: Removed 11171 assume(true) statements. [2021-11-05 22:36:01,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:36:01 BoogieIcfgContainer [2021-11-05 22:36:01,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 22:36:01,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 22:36:01,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 22:36:01,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 22:36:01,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:34:01" (1/3) ... [2021-11-05 22:36:01,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbc3b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:36:01, skipping insertion in model container [2021-11-05 22:36:01,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:34:13" (2/3) ... [2021-11-05 22:36:01,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbc3b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:36:01, skipping insertion in model container [2021-11-05 22:36:01,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:36:01" (3/3) ... [2021-11-05 22:36:01,504 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-05 22:36:01,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 22:36:01,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 119 error locations. [2021-11-05 22:36:01,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 22:36:01,569 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 22:36:01,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2021-11-05 22:36:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 11633 states, 11343 states have (on average 1.3931058802785858) internal successors, (15802), 11470 states have internal predecessors, (15802), 134 states have call successors, (134), 37 states have call predecessors, (134), 37 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2021-11-05 22:36:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-05 22:36:01,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 22:36:01,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 22:36:01,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [stmmac_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, stmmac_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 116 more)] === [2021-11-05 22:36:01,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 22:36:01,748 INFO L85 PathProgramCache]: Analyzing trace with hash 27599455, now seen corresponding path program 1 times [2021-11-05 22:36:01,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 22:36:01,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975075666] [2021-11-05 22:36:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 22:36:01,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 22:36:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 22:36:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 22:36:03,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 22:36:03,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975075666] [2021-11-05 22:36:03,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975075666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 22:36:03,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 22:36:03,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 22:36:03,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271032302] [2021-11-05 22:36:03,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 22:36:03,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 22:36:03,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 22:36:03,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 22:36:03,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:03,414 INFO L87 Difference]: Start difference. First operand has 11633 states, 11343 states have (on average 1.3931058802785858) internal successors, (15802), 11470 states have internal predecessors, (15802), 134 states have call successors, (134), 37 states have call predecessors, (134), 37 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:05,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 22:36:06,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 22:36:06,592 INFO L93 Difference]: Finished difference Result 32939 states and 45932 transitions. [2021-11-05 22:36:06,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 22:36:06,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 254 [2021-11-05 22:36:06,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 22:36:06,680 INFO L225 Difference]: With dead ends: 32939 [2021-11-05 22:36:06,681 INFO L226 Difference]: Without dead ends: 21378 [2021-11-05 22:36:06,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:06,769 INFO L933 BasicCegarLoop]: 16002 mSDtfsCounter, 14517 mSDsluCounter, 15807 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2408.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14517 SdHoareTripleChecker+Valid, 31809 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.12ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2521.37ms IncrementalHoareTripleChecker+Time [2021-11-05 22:36:06,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14517 Valid, 31809 Invalid, 84 Unknown, 0 Unchecked, 55.12ms Time], IncrementalHoareTripleChecker [17 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 2521.37ms Time] [2021-11-05 22:36:06,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21378 states. [2021-11-05 22:36:07,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21378 to 21242. [2021-11-05 22:36:07,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21242 states, 20781 states have (on average 1.36239834464174) internal successors, (28312), 20917 states have internal predecessors, (28312), 268 states have call successors, (268), 74 states have call predecessors, (268), 74 states have return successors, (268), 264 states have call predecessors, (268), 268 states have call successors, (268) [2021-11-05 22:36:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21242 states to 21242 states and 28848 transitions. [2021-11-05 22:36:07,387 INFO L78 Accepts]: Start accepts. Automaton has 21242 states and 28848 transitions. Word has length 254 [2021-11-05 22:36:07,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 22:36:07,388 INFO L470 AbstractCegarLoop]: Abstraction has 21242 states and 28848 transitions. [2021-11-05 22:36:07,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 21242 states and 28848 transitions. [2021-11-05 22:36:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-05 22:36:07,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 22:36:07,397 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 22:36:07,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 22:36:07,400 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [stmmac_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, stmmac_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 116 more)] === [2021-11-05 22:36:07,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 22:36:07,401 INFO L85 PathProgramCache]: Analyzing trace with hash 813214735, now seen corresponding path program 1 times [2021-11-05 22:36:07,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 22:36:07,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823103575] [2021-11-05 22:36:07,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 22:36:07,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 22:36:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 22:36:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 22:36:08,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 22:36:08,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823103575] [2021-11-05 22:36:08,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823103575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 22:36:08,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 22:36:08,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 22:36:08,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20958778] [2021-11-05 22:36:08,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 22:36:08,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 22:36:08,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 22:36:08,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 22:36:08,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:08,382 INFO L87 Difference]: Start difference. First operand 21242 states and 28848 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:10,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 22:36:11,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 22:36:11,555 INFO L93 Difference]: Finished difference Result 51734 states and 70507 transitions. [2021-11-05 22:36:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 22:36:11,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 262 [2021-11-05 22:36:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 22:36:11,693 INFO L225 Difference]: With dead ends: 51734 [2021-11-05 22:36:11,694 INFO L226 Difference]: Without dead ends: 31136 [2021-11-05 22:36:11,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:11,768 INFO L933 BasicCegarLoop]: 15097 mSDtfsCounter, 13869 mSDsluCounter, 14910 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2390.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13869 SdHoareTripleChecker+Valid, 30007 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.18ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2526.66ms IncrementalHoareTripleChecker+Time [2021-11-05 22:36:11,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13869 Valid, 30007 Invalid, 84 Unknown, 0 Unchecked, 46.18ms Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 2526.66ms Time] [2021-11-05 22:36:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31136 states. [2021-11-05 22:36:12,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31136 to 30800. [2021-11-05 22:36:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30800 states, 30168 states have (on average 1.368536197295147) internal successors, (41286), 30313 states have internal predecessors, (41286), 402 states have call successors, (402), 111 states have call predecessors, (402), 111 states have return successors, (402), 396 states have call predecessors, (402), 402 states have call successors, (402) [2021-11-05 22:36:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30800 states to 30800 states and 42090 transitions. [2021-11-05 22:36:12,423 INFO L78 Accepts]: Start accepts. Automaton has 30800 states and 42090 transitions. Word has length 262 [2021-11-05 22:36:12,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 22:36:12,424 INFO L470 AbstractCegarLoop]: Abstraction has 30800 states and 42090 transitions. [2021-11-05 22:36:12,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 30800 states and 42090 transitions. [2021-11-05 22:36:12,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-05 22:36:12,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 22:36:12,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 22:36:12,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 22:36:12,431 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION === [stmmac_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, stmmac_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 116 more)] === [2021-11-05 22:36:12,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 22:36:12,432 INFO L85 PathProgramCache]: Analyzing trace with hash 691131084, now seen corresponding path program 1 times [2021-11-05 22:36:12,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 22:36:12,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46103912] [2021-11-05 22:36:12,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 22:36:12,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 22:36:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 22:36:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 22:36:13,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 22:36:13,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46103912] [2021-11-05 22:36:13,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46103912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 22:36:13,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 22:36:13,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 22:36:13,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464832804] [2021-11-05 22:36:13,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 22:36:13,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 22:36:13,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 22:36:13,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 22:36:13,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:13,438 INFO L87 Difference]: Start difference. First operand 30800 states and 42090 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:15,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 22:36:17,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 22:36:17,142 INFO L93 Difference]: Finished difference Result 80410 states and 110245 transitions. [2021-11-05 22:36:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 22:36:17,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 263 [2021-11-05 22:36:17,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 22:36:17,279 INFO L225 Difference]: With dead ends: 80410 [2021-11-05 22:36:17,280 INFO L226 Difference]: Without dead ends: 50254 [2021-11-05 22:36:17,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.71ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:17,352 INFO L933 BasicCegarLoop]: 15467 mSDtfsCounter, 13869 mSDsluCounter, 14911 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2390.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13869 SdHoareTripleChecker+Valid, 30378 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.74ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2541.73ms IncrementalHoareTripleChecker+Time [2021-11-05 22:36:17,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13869 Valid, 30378 Invalid, 84 Unknown, 0 Unchecked, 42.74ms Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 2541.73ms Time] [2021-11-05 22:36:17,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50254 states. [2021-11-05 22:36:18,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50254 to 49916. [2021-11-05 22:36:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49916 states, 48942 states have (on average 1.3737485186547342) internal successors, (67234), 49105 states have internal predecessors, (67234), 670 states have call successors, (670), 185 states have call predecessors, (670), 185 states have return successors, (670), 660 states have call predecessors, (670), 670 states have call successors, (670) [2021-11-05 22:36:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49916 states to 49916 states and 68574 transitions. [2021-11-05 22:36:18,272 INFO L78 Accepts]: Start accepts. Automaton has 49916 states and 68574 transitions. Word has length 263 [2021-11-05 22:36:18,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 22:36:18,273 INFO L470 AbstractCegarLoop]: Abstraction has 49916 states and 68574 transitions. [2021-11-05 22:36:18,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 49916 states and 68574 transitions. [2021-11-05 22:36:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-05 22:36:18,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 22:36:18,278 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 22:36:18,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 22:36:18,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [stmmac_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, stmmac_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 116 more)] === [2021-11-05 22:36:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 22:36:18,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1215188798, now seen corresponding path program 1 times [2021-11-05 22:36:18,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 22:36:18,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882695770] [2021-11-05 22:36:18,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 22:36:18,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 22:36:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 22:36:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 22:36:19,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 22:36:19,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882695770] [2021-11-05 22:36:19,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882695770] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 22:36:19,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 22:36:19,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 22:36:19,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549123217] [2021-11-05 22:36:19,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 22:36:19,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 22:36:19,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 22:36:19,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 22:36:19,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:19,398 INFO L87 Difference]: Start difference. First operand 49916 states and 68574 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:21,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 22:36:23,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 22:36:23,694 INFO L93 Difference]: Finished difference Result 148315 states and 205404 transitions. [2021-11-05 22:36:23,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 22:36:23,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2021-11-05 22:36:23,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 22:36:24,109 INFO L225 Difference]: With dead ends: 148315 [2021-11-05 22:36:24,109 INFO L226 Difference]: Without dead ends: 99043 [2021-11-05 22:36:24,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:24,444 INFO L933 BasicCegarLoop]: 15388 mSDtfsCounter, 14343 mSDsluCounter, 15060 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2326.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14343 SdHoareTripleChecker+Valid, 30448 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.80ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2576.30ms IncrementalHoareTripleChecker+Time [2021-11-05 22:36:24,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14343 Valid, 30448 Invalid, 47 Unknown, 0 Unchecked, 27.80ms Time], IncrementalHoareTripleChecker [14 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 2576.30ms Time] [2021-11-05 22:36:24,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99043 states. [2021-11-05 22:36:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99043 to 98412. [2021-11-05 22:36:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98412 states, 96598 states have (on average 1.3766744653098408) internal successors, (132984), 96801 states have internal predecessors, (132984), 1325 states have call successors, (1325), 365 states have call predecessors, (1325), 370 states have return successors, (2620), 1315 states have call predecessors, (2620), 1325 states have call successors, (2620) [2021-11-05 22:36:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98412 states to 98412 states and 136929 transitions. [2021-11-05 22:36:27,288 INFO L78 Accepts]: Start accepts. Automaton has 98412 states and 136929 transitions. Word has length 269 [2021-11-05 22:36:27,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 22:36:27,289 INFO L470 AbstractCegarLoop]: Abstraction has 98412 states and 136929 transitions. [2021-11-05 22:36:27,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 98412 states and 136929 transitions. [2021-11-05 22:36:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-05 22:36:27,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 22:36:27,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 22:36:27,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 22:36:27,294 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [stmmac_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, stmmac_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 116 more)] === [2021-11-05 22:36:27,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 22:36:27,294 INFO L85 PathProgramCache]: Analyzing trace with hash 334064358, now seen corresponding path program 1 times [2021-11-05 22:36:27,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 22:36:27,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248145036] [2021-11-05 22:36:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 22:36:27,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 22:36:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 22:36:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 22:36:28,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 22:36:28,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248145036] [2021-11-05 22:36:28,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248145036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 22:36:28,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 22:36:28,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 22:36:28,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709604776] [2021-11-05 22:36:28,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 22:36:28,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 22:36:28,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 22:36:28,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 22:36:28,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:28,818 INFO L87 Difference]: Start difference. First operand 98412 states and 136929 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:31,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 22:36:35,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 22:36:35,436 INFO L93 Difference]: Finished difference Result 290326 states and 404493 transitions. [2021-11-05 22:36:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 22:36:35,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 267 [2021-11-05 22:36:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 22:36:36,075 INFO L225 Difference]: With dead ends: 290326 [2021-11-05 22:36:36,075 INFO L226 Difference]: Without dead ends: 192558 [2021-11-05 22:36:36,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 22:36:36,756 INFO L933 BasicCegarLoop]: 15095 mSDtfsCounter, 13748 mSDsluCounter, 14958 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2360.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13748 SdHoareTripleChecker+Valid, 30053 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.42ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2492.36ms IncrementalHoareTripleChecker+Time [2021-11-05 22:36:36,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13748 Valid, 30053 Invalid, 24 Unknown, 0 Unchecked, 30.42ms Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2492.36ms Time] [2021-11-05 22:36:36,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192558 states. [2021-11-05 22:36:40,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192558 to 192184. [2021-11-05 22:36:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192184 states, 188745 states have (on average 1.3789981191554743) internal successors, (260279), 189033 states have internal predecessors, (260279), 2580 states have call successors, (2580), 730 states have call predecessors, (2580), 740 states have return successors, (5100), 2560 states have call predecessors, (5100), 2580 states have call successors, (5100) [2021-11-05 22:36:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192184 states to 192184 states and 267959 transitions. [2021-11-05 22:36:42,495 INFO L78 Accepts]: Start accepts. Automaton has 192184 states and 267959 transitions. Word has length 267 [2021-11-05 22:36:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 22:36:42,496 INFO L470 AbstractCegarLoop]: Abstraction has 192184 states and 267959 transitions. [2021-11-05 22:36:42,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 22:36:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 192184 states and 267959 transitions. [2021-11-05 22:36:42,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-05 22:36:42,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 22:36:42,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 22:36:42,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 22:36:42,524 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION === [stmmac_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, stmmac_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 116 more)] === [2021-11-05 22:36:42,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 22:36:42,525 INFO L85 PathProgramCache]: Analyzing trace with hash 783249628, now seen corresponding path program 1 times [2021-11-05 22:36:42,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 22:36:42,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602265101] [2021-11-05 22:36:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 22:36:42,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms