./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 5b36d44f 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-5b36d44 [2021-11-07 19:18:08,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 19:18:08,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 19:18:08,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 19:18:08,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 19:18:08,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 19:18:08,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 19:18:08,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 19:18:08,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 19:18:08,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 19:18:08,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 19:18:08,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 19:18:08,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 19:18:08,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 19:18:08,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 19:18:08,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 19:18:08,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 19:18:08,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 19:18:08,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 19:18:08,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 19:18:08,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 19:18:08,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 19:18:08,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 19:18:08,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 19:18:08,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 19:18:08,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 19:18:08,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 19:18:08,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 19:18:08,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 19:18:08,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 19:18:08,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 19:18:08,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 19:18:08,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 19:18:08,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 19:18:08,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 19:18:08,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 19:18:08,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 19:18:08,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 19:18:08,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 19:18:08,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 19:18:08,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 19:18:08,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 19:18:08,908 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 19:18:08,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 19:18:08,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 19:18:08,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 19:18:08,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 19:18:08,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 19:18:08,911 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 19:18:08,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 19:18:08,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 19:18:08,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 19:18:08,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 19:18:08,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 19:18:08,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 19:18:08,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 19:18:08,913 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 19:18:08,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 19:18:08,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 19:18:08,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 19:18:08,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 19:18:08,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 19:18:08,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 19:18:08,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 19:18:08,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 19:18:08,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 19:18:08,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 19:18:08,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 19:18:08,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 19:18:08,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 19:18:08,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 19:18:08,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 [2021-11-07 19:18:09,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 19:18:09,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 19:18:09,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 19:18:09,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 19:18:09,133 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 19:18:09,135 INFO L432 ainManager$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 [2021-11-07 19:18:09,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8b86b84/e5207bfc7ea8419daf7e809ed2c42bdf/FLAG5e302ab7f [2021-11-07 19:18:09,855 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 19:18:09,856 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 [2021-11-07 19:18:09,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8b86b84/e5207bfc7ea8419daf7e809ed2c42bdf/FLAG5e302ab7f [2021-11-07 19:18:10,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e8b86b84/e5207bfc7ea8419daf7e809ed2c42bdf [2021-11-07 19:18:10,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 19:18:10,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 19:18:10,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 19:18:10,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 19:18:10,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 19:18:10,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:10" (1/1) ... [2021-11-07 19:18:10,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b180088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:10, skipping insertion in model container [2021-11-07 19:18:10,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:10" (1/1) ... [2021-11-07 19:18:10,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 19:18:10,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 19:18:13,264 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] [2021-11-07 19:18:13,268 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] [2021-11-07 19:18:13,268 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] [2021-11-07 19:18:13,269 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] [2021-11-07 19:18:13,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 19:18:13,354 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 19:18:13,716 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] [2021-11-07 19:18:13,718 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] [2021-11-07 19:18:13,718 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] [2021-11-07 19:18:13,718 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] [2021-11-07 19:18:13,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 19:18:13,994 INFO L208 MainTranslator]: Completed translation [2021-11-07 19:18:13,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13 WrapperNode [2021-11-07 19:18:13,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 19:18:13,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 19:18:13,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 19:18:13,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 19:18:14,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:14,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:18,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 19:18:18,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 19:18:18,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 19:18:18,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 19:18:18,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:18,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:19,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:19,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:20,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:21,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:21,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:22,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 19:18:22,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 19:18:22,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 19:18:22,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 19:18:22,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (1/1) ... [2021-11-07 19:18:22,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 19:18:22,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 19:18:22,088 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) [2021-11-07 19:18:22,090 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 [2021-11-07 19:18:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-07 19:18:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-07 19:18:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 19:18:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 19:18:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 19:18:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 19:18:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 19:18:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 19:18:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 19:18:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 19:18:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 19:18:22,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 19:18:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-07 19:18:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-07 19:18:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 19:18:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-07 19:18:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-07 19:18:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 19:19:56,980 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-07 19:19:56,981 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-07 19:19:56,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-07 19:19:56,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-07 19:19:56,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-07 19:19:56,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0; [2021-11-07 19:19:56,982 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,983 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,983 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,983 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,983 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,984 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,984 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,984 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,987 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-07 19:19:56,989 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 19:19:56,990 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,993 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#11: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,993 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,993 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#12: ldv_switch_0_#res := 0; [2021-11-07 19:19:56,996 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-07 19:19:56,996 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-07 19:19:57,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 19:19:57,222 INFO L299 CfgBuilder]: Removed 35678 assume(true) statements. [2021-11-07 19:19:57,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:57 BoogieIcfgContainer [2021-11-07 19:19:57,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 19:19:57,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 19:19:57,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 19:19:57,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 19:19:57,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:18:10" (1/3) ... [2021-11-07 19:19:57,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38efc898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:19:57, skipping insertion in model container [2021-11-07 19:19:57,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:13" (2/3) ... [2021-11-07 19:19:57,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38efc898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:19:57, skipping insertion in model container [2021-11-07 19:19:57,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:57" (3/3) ... [2021-11-07 19:19:57,259 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-07 19:19:57,262 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 19:19:57,263 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 152 error locations. [2021-11-07 19:19:57,361 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 19:19:57,366 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 [2021-11-07 19:19:57,366 INFO L340 AbstractCegarLoop]: Starting to check reachability of 152 error locations. [2021-11-07 19:19:57,766 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) [2021-11-07 19:19:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-07 19:19:57,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:19:57,778 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] [2021-11-07 19:19:57,778 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)] === [2021-11-07 19:19:57,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:19:57,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1468841812, now seen corresponding path program 1 times [2021-11-07 19:19:57,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:19:57,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998939561] [2021-11-07 19:19:57,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:19:57,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:19:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:19:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:19:58,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:19:58,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998939561] [2021-11-07 19:19:58,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998939561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:19:58,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:19:58,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:19:58,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52107775] [2021-11-07 19:19:58,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:19:58,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:19:58,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:19:58,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:19:58,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:19:58,610 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) [2021-11-07 19:20:00,759 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 19:20:03,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:20:03,905 INFO L93 Difference]: Finished difference Result 87290 states and 113230 transitions. [2021-11-07 19:20:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:20:03,907 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 [2021-11-07 19:20:03,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:20:04,138 INFO L225 Difference]: With dead ends: 87290 [2021-11-07 19:20:04,138 INFO L226 Difference]: Without dead ends: 53490 [2021-11-07 19:20:04,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:20:04,288 INFO L933 BasicCegarLoop]: 39850 mSDtfsCounter, 38704 mSDsluCounter, 33050 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 212 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3020.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38704 SdHoareTripleChecker+Valid, 72900 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 180.29ms SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3386.26ms IncrementalHoareTripleChecker+Time [2021-11-07 19:20:04,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38704 Valid, 72900 Invalid, 681 Unknown, 0 Unchecked, 180.29ms Time], IncrementalHoareTripleChecker [212 Valid, 468 Invalid, 1 Unknown, 0 Unchecked, 3386.26ms Time] [2021-11-07 19:20:04,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53490 states. [2021-11-07 19:20:05,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53490 to 50676. [2021-11-07 19:20:05,537 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) [2021-11-07 19:20:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50676 states to 50676 states and 63407 transitions. [2021-11-07 19:20:05,732 INFO L78 Accepts]: Start accepts. Automaton has 50676 states and 63407 transitions. Word has length 172 [2021-11-07 19:20:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:20:05,734 INFO L470 AbstractCegarLoop]: Abstraction has 50676 states and 63407 transitions. [2021-11-07 19:20:05,735 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) [2021-11-07 19:20:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 50676 states and 63407 transitions. [2021-11-07 19:20:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-07 19:20:05,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:20:05,743 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] [2021-11-07 19:20:05,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 19:20:05,744 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)] === [2021-11-07 19:20:05,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:20:05,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1158520078, now seen corresponding path program 1 times [2021-11-07 19:20:05,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:20:05,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533417855] [2021-11-07 19:20:05,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:20:05,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:20:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:20:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:20:06,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:20:06,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533417855] [2021-11-07 19:20:06,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533417855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:20:06,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:20:06,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:20:06,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268908653] [2021-11-07 19:20:06,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:20:06,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:20:06,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:20:06,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:20:06,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:20:06,219 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) [2021-11-07 19:20:08,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 19:20:10,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:20:10,448 INFO L93 Difference]: Finished difference Result 150958 states and 189044 transitions. [2021-11-07 19:20:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:20:10,448 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 [2021-11-07 19:20:10,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:20:10,789 INFO L225 Difference]: With dead ends: 150958 [2021-11-07 19:20:10,790 INFO L226 Difference]: Without dead ends: 100702 [2021-11-07 19:20:10,923 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 [2021-11-07 19:20:10,924 INFO L933 BasicCegarLoop]: 36881 mSDtfsCounter, 36110 mSDsluCounter, 36718 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2167.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36110 SdHoareTripleChecker+Valid, 73599 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 138.95ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2284.55ms IncrementalHoareTripleChecker+Time [2021-11-07 19:20:10,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36110 Valid, 73599 Invalid, 34 Unknown, 0 Unchecked, 138.95ms Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2284.55ms Time] [2021-11-07 19:20:11,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100702 states. [2021-11-07 19:20:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100702 to 100470. [2021-11-07 19:20:13,104 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) [2021-11-07 19:20:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100470 states to 100470 states and 125981 transitions. [2021-11-07 19:20:13,339 INFO L78 Accepts]: Start accepts. Automaton has 100470 states and 125981 transitions. Word has length 174 [2021-11-07 19:20:13,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:20:13,341 INFO L470 AbstractCegarLoop]: Abstraction has 100470 states and 125981 transitions. [2021-11-07 19:20:13,341 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) [2021-11-07 19:20:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 100470 states and 125981 transitions. [2021-11-07 19:20:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-07 19:20:13,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:20:13,344 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] [2021-11-07 19:20:13,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 19:20:13,344 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)] === [2021-11-07 19:20:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:20:13,345 INFO L85 PathProgramCache]: Analyzing trace with hash 62304066, now seen corresponding path program 1 times [2021-11-07 19:20:13,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:20:13,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774754832] [2021-11-07 19:20:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:20:13,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms