./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-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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-renesas-sh_eth.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 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-03 02:53:51,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 02:53:51,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 02:53:51,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 02:53:51,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 02:53:51,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 02:53:51,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 02:53:51,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 02:53:51,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 02:53:51,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 02:53:51,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 02:53:51,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 02:53:51,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 02:53:51,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 02:53:51,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 02:53:51,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 02:53:51,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 02:53:51,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 02:53:51,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 02:53:51,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 02:53:51,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 02:53:51,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 02:53:51,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 02:53:51,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 02:53:51,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 02:53:51,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 02:53:51,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 02:53:51,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 02:53:51,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 02:53:51,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 02:53:51,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 02:53:51,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 02:53:51,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 02:53:51,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 02:53:51,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 02:53:51,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 02:53:51,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 02:53:51,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 02:53:51,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 02:53:51,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 02:53:51,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 02:53:51,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 02:53:51,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 02:53:51,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 02:53:51,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 02:53:51,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 02:53:51,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 02:53:51,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 02:53:51,175 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 02:53:51,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 02:53:51,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 02:53:51,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 02:53:51,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 02:53:51,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 02:53:51,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 02:53:51,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 02:53:51,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 02:53:51,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 02:53:51,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 02:53:51,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 02:53:51,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 02:53:51,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 02:53:51,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 02:53:51,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 02:53:51,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 02:53:51,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 02:53:51,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 02:53:51,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 02:53:51,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 02:53:51,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 02:53:51,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 02:53:51,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 [2021-11-03 02:53:51,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 02:53:51,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 02:53:51,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 02:53:51,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 02:53:51,407 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 02:53:51,408 INFO L432 ainManager$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-renesas-sh_eth.cil.i [2021-11-03 02:53:51,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d352c1639/22c3e699bfae4bab91c4c9a722169557/FLAGa350747f0 [2021-11-03 02:53:52,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 02:53:52,221 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-renesas-sh_eth.cil.i [2021-11-03 02:53:52,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d352c1639/22c3e699bfae4bab91c4c9a722169557/FLAGa350747f0 [2021-11-03 02:53:52,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d352c1639/22c3e699bfae4bab91c4c9a722169557 [2021-11-03 02:53:52,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 02:53:52,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 02:53:52,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 02:53:52,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 02:53:52,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 02:53:52,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:52" (1/1) ... [2021-11-03 02:53:52,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339c0117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:52, skipping insertion in model container [2021-11-03 02:53:52,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:52" (1/1) ... [2021-11-03 02:53:52,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 02:53:52,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 02:53:55,877 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-renesas-sh_eth.cil.i[541045,541058] [2021-11-03 02:53:55,879 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-renesas-sh_eth.cil.i[541214,541227] [2021-11-03 02:53:55,879 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-renesas-sh_eth.cil.i[541381,541394] [2021-11-03 02:53:55,879 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-renesas-sh_eth.cil.i[541549,541562] [2021-11-03 02:53:55,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 02:53:55,975 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 02:53:56,238 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-renesas-sh_eth.cil.i[541045,541058] [2021-11-03 02:53:56,239 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-renesas-sh_eth.cil.i[541214,541227] [2021-11-03 02:53:56,240 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-renesas-sh_eth.cil.i[541381,541394] [2021-11-03 02:53:56,240 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-renesas-sh_eth.cil.i[541549,541562] [2021-11-03 02:53:56,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 02:53:56,434 INFO L208 MainTranslator]: Completed translation [2021-11-03 02:53:56,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56 WrapperNode [2021-11-03 02:53:56,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 02:53:56,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 02:53:56,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 02:53:56,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 02:53:56,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:53:56,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:53:59,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 02:53:59,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 02:53:59,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 02:53:59,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 02:53:59,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:53:59,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:54:00,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:54:00,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:54:02,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:54:02,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:54:02,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:54:03,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 02:54:03,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 02:54:03,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 02:54:03,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 02:54:03,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (1/1) ... [2021-11-03 02:54:03,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 02:54:03,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 02:54:03,709 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) [2021-11-03 02:54:03,711 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 [2021-11-03 02:54:03,731 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-03 02:54:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 02:54:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 02:54:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 02:54:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 02:54:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-03 02:54:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-03 02:54:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 02:54:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-03 02:54:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-03 02:54:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 02:54:58,493 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-03 02:54:58,493 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-03 02:54:58,493 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-03 02:54:58,493 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-03 02:54:58,494 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-03 02:54:58,494 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0; [2021-11-03 02:54:58,494 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,494 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,494 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,494 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,495 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,495 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,495 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,495 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,498 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-03 02:54:58,500 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 02:54:58,502 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,504 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#11: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,504 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,504 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#12: ldv_switch_0_#res := 0; [2021-11-03 02:54:58,506 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-03 02:54:58,506 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-03 02:54:58,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 02:54:58,593 INFO L299 CfgBuilder]: Removed 35678 assume(true) statements. [2021-11-03 02:54:58,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:54:58 BoogieIcfgContainer [2021-11-03 02:54:58,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 02:54:58,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 02:54:58,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 02:54:58,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 02:54:58,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:52" (1/3) ... [2021-11-03 02:54:58,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9516b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:54:58, skipping insertion in model container [2021-11-03 02:54:58,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:56" (2/3) ... [2021-11-03 02:54:58,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9516b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:54:58, skipping insertion in model container [2021-11-03 02:54:58,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:54:58" (3/3) ... [2021-11-03 02:54:58,623 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-03 02:54:58,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 02:54:58,627 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 152 error locations. [2021-11-03 02:54:58,728 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 02:54:58,736 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 [2021-11-03 02:54:58,736 INFO L340 AbstractCegarLoop]: Starting to check reachability of 152 error locations. [2021-11-03 02:54:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 31376 states, 31094 states have (on average 1.2984498617096545) internal successors, (40374), 31247 states have internal predecessors, (40374), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2021-11-03 02:54:59,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-03 02:54:59,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 02:54:59,013 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] [2021-11-03 02:54:59,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 149 more)] === [2021-11-03 02:54:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 02:54:59,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1468841812, now seen corresponding path program 1 times [2021-11-03 02:54:59,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 02:54:59,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628294645] [2021-11-03 02:54:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 02:54:59,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 02:54:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 02:54:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 02:54:59,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 02:54:59,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628294645] [2021-11-03 02:54:59,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628294645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 02:54:59,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 02:54:59,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 02:54:59,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731908570] [2021-11-03 02:54:59,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 02:54:59,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 02:54:59,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 02:54:59,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 02:54:59,964 INFO L87 Difference]: Start difference. First operand has 31376 states, 31094 states have (on average 1.2984498617096545) internal successors, (40374), 31247 states have internal predecessors, (40374), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-11-03 02:55:02,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 02:56:21,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 02:56:21,330 INFO L93 Difference]: Finished difference Result 87290 states and 113230 transitions. [2021-11-03 02:56:21,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 02:56:21,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 172 [2021-11-03 02:56:21,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 02:56:21,523 INFO L225 Difference]: With dead ends: 87290 [2021-11-03 02:56:21,523 INFO L226 Difference]: Without dead ends: 53490 [2021-11-03 02:56:21,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 02:56:21,685 INFO L933 BasicCegarLoop]: 1950 mSDtfsCounter, 38704 mSDsluCounter, 33050 mSDsCounter, 0 mSdLazyCounter, 69679 mSolverCounterSat, 212 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66935.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38704 SdHoareTripleChecker+Valid, 3688 SdHoareTripleChecker+Invalid, 69892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 134.57ms SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 69679 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78948.63ms IncrementalHoareTripleChecker+Time [2021-11-03 02:56:21,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38704 Valid, 3688 Invalid, 69892 Unknown, 0 Unchecked, 134.57ms Time], IncrementalHoareTripleChecker [212 Valid, 69679 Invalid, 1 Unknown, 0 Unchecked, 78948.63ms Time] [2021-11-03 02:56:21,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53490 states. [2021-11-03 02:56:22,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53490 to 50676. [2021-11-03 02:56:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50676 states, 50264 states have (on average 1.2514523316886836) internal successors, (62903), 50419 states have internal predecessors, (62903), 252 states have call successors, (252), 8 states have call predecessors, (252), 8 states have return successors, (252), 250 states have call predecessors, (252), 252 states have call successors, (252) [2021-11-03 02:56:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50676 states to 50676 states and 63407 transitions. [2021-11-03 02:56:23,139 INFO L78 Accepts]: Start accepts. Automaton has 50676 states and 63407 transitions. Word has length 172 [2021-11-03 02:56:23,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 02:56:23,141 INFO L470 AbstractCegarLoop]: Abstraction has 50676 states and 63407 transitions. [2021-11-03 02:56:23,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2021-11-03 02:56:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 50676 states and 63407 transitions. [2021-11-03 02:56:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-03 02:56:23,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 02:56:23,152 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] [2021-11-03 02:56:23,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 02:56:23,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 149 more)] === [2021-11-03 02:56:23,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 02:56:23,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1158520078, now seen corresponding path program 1 times [2021-11-03 02:56:23,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 02:56:23,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733530154] [2021-11-03 02:56:23,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 02:56:23,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 02:56:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 02:56:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 02:56:23,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 02:56:23,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733530154] [2021-11-03 02:56:23,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733530154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 02:56:23,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 02:56:23,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 02:56:23,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931030238] [2021-11-03 02:56:23,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 02:56:23,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 02:56:23,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 02:56:23,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 02:56:23,489 INFO L87 Difference]: Start difference. First operand 50676 states and 63407 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2021-11-03 02:56:25,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 02:58:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 02:58:43,612 INFO L93 Difference]: Finished difference Result 150958 states and 189044 transitions. [2021-11-03 02:58:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 02:58:43,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 174 [2021-11-03 02:58:43,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 02:58:43,908 INFO L225 Difference]: With dead ends: 150958 [2021-11-03 02:58:43,909 INFO L226 Difference]: Without dead ends: 100702 [2021-11-03 02:58:44,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 02:58:44,221 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 36110 mSDsluCounter, 36718 mSDsCounter, 0 mSdLazyCounter, 72995 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116704.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36110 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 73002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 144.44ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 72995 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136774.41ms IncrementalHoareTripleChecker+Time [2021-11-03 02:58:44,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36110 Valid, 630 Invalid, 73002 Unknown, 0 Unchecked, 144.44ms Time], IncrementalHoareTripleChecker [6 Valid, 72995 Invalid, 1 Unknown, 0 Unchecked, 136774.41ms Time] [2021-11-03 02:58:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100702 states. [2021-11-03 02:58:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100702 to 100470. [2021-11-03 02:58:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100470 states, 99798 states have (on average 1.2522595643199264) internal successors, (124973), 99957 states have internal predecessors, (124973), 504 states have call successors, (504), 16 states have call predecessors, (504), 16 states have return successors, (504), 500 states have call predecessors, (504), 504 states have call successors, (504) [2021-11-03 02:58:46,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100470 states to 100470 states and 125981 transitions. [2021-11-03 02:58:46,901 INFO L78 Accepts]: Start accepts. Automaton has 100470 states and 125981 transitions. Word has length 174 [2021-11-03 02:58:46,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 02:58:46,903 INFO L470 AbstractCegarLoop]: Abstraction has 100470 states and 125981 transitions. [2021-11-03 02:58:46,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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) [2021-11-03 02:58:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 100470 states and 125981 transitions. [2021-11-03 02:58:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-03 02:58:46,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 02:58:46,906 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] [2021-11-03 02:58:46,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 02:58:46,906 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 149 more)] === [2021-11-03 02:58:46,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 02:58:46,907 INFO L85 PathProgramCache]: Analyzing trace with hash 62304066, now seen corresponding path program 1 times [2021-11-03 02:58:46,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 02:58:46,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874422136] [2021-11-03 02:58:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 02:58:46,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 02:58:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 02:58:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 02:58:47,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 02:58:47,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874422136] [2021-11-03 02:58:47,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874422136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 02:58:47,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 02:58:47,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 02:58:47,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48080603] [2021-11-03 02:58:47,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 02:58:47,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 02:58:47,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 02:58:47,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 02:58:47,229 INFO L87 Difference]: Start difference. First operand 100470 states and 125981 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2021-11-03 02:58:49,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []