./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8 --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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:45:14,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:45:14,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:45:14,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:45:14,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:45:14,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:45:14,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:45:14,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:45:14,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:45:14,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:45:14,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:45:14,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:45:14,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:45:14,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:45:14,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:45:14,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:45:14,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:45:14,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:45:14,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:45:14,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:45:14,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:45:14,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:45:14,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:45:14,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:45:14,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:45:14,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:45:14,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:45:14,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:45:14,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:45:14,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:45:14,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:45:14,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:45:14,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:45:14,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:45:14,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:45:14,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:45:14,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:45:14,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:45:14,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:45:14,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:45:14,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:45:14,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:45:14,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:45:14,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:45:14,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:45:14,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:45:14,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:45:14,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:45:14,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:45:14,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:45:14,196 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:45:14,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:45:14,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:45:14,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:45:14,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:45:14,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:45:14,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:45:14,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:45:14,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:45:14,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:45:14,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:45:14,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:45:14,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:45:14,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:14,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:45:14,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:45:14,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:45:14,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:45:14,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:45:14,202 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:45:14,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:45:14,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:45:14,202 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-11-16 11:45:14,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:45:14,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:45:14,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:45:14,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:45:14,575 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:45:14,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-16 11:45:14,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/data/b0ff15929/daa79a37d7a14019b1d3d7822b127f44/FLAG87a2ded1c [2022-11-16 11:45:16,095 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:45:16,096 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-16 11:45:16,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/data/b0ff15929/daa79a37d7a14019b1d3d7822b127f44/FLAG87a2ded1c [2022-11-16 11:45:16,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/data/b0ff15929/daa79a37d7a14019b1d3d7822b127f44 [2022-11-16 11:45:16,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:45:16,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:45:16,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:16,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:45:16,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:45:16,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:16" (1/1) ... [2022-11-16 11:45:16,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b37edb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:16, skipping insertion in model container [2022-11-16 11:45:16,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:16" (1/1) ... [2022-11-16 11:45:16,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:45:16,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:45:22,392 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-11-16 11:45:22,396 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-11-16 11:45:22,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:22,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:45:23,305 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-11-16 11:45:23,306 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-11-16 11:45:23,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:23,796 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:45:23,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23 WrapperNode [2022-11-16 11:45:23,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:23,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:23,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:45:23,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:45:23,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:23,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,333 INFO L138 Inliner]: procedures = 667, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8756 [2022-11-16 11:45:24,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:24,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:45:24,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:45:24,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:45:24,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:45:24,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:45:24,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:45:24,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:45:24,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (1/1) ... [2022-11-16 11:45:24,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:24,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:25,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:25,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2b7c803-c9c1-45d7-8783-fb47adcc7f6d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:45:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-16 11:45:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-16 11:45:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:45:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:45:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-16 11:45:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-16 11:45:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:45:25,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:45:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-16 11:45:25,061 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-16 11:45:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-16 11:45:25,062 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-16 11:45:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-16 11:45:25,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-16 11:45:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-16 11:45:25,062 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-16 11:45:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-16 11:45:25,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-16 11:45:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-16 11:45:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-16 11:45:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-16 11:45:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-16 11:45:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-16 11:45:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-16 11:45:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 11:45:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 11:45:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-16 11:45:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-16 11:45:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-16 11:45:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-16 11:45:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-16 11:45:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-16 11:45:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:45:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:45:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-16 11:45:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-16 11:45:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-16 11:45:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-16 11:45:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-16 11:45:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-16 11:45:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 11:45:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 11:45:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-16 11:45:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-16 11:45:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 11:45:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 11:45:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-16 11:45:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-16 11:45:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-16 11:45:25,071 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-16 11:45:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:45:25,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:45:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-16 11:45:25,072 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-16 11:45:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-16 11:45:25,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-16 11:45:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:45:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-16 11:45:25,075 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-16 11:45:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-16 11:45:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-16 11:45:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-16 11:45:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-16 11:45:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-16 11:45:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-16 11:45:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-16 11:45:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-16 11:45:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-16 11:45:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-16 11:45:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-16 11:45:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 11:45:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 11:45:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:45:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:45:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-11-16 11:45:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-11-16 11:45:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:45:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-16 11:45:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-16 11:45:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-16 11:45:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-16 11:45:25,082 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 11:45:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 11:45:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-16 11:45:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-16 11:45:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:45:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:45:25,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:45:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-16 11:45:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-16 11:45:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 11:45:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 11:45:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:45:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-16 11:45:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-16 11:45:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-16 11:45:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-16 11:45:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:45:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:45:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-16 11:45:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-16 11:45:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-16 11:45:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-16 11:45:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-16 11:45:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-16 11:45:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-16 11:45:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-16 11:45:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-16 11:45:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-16 11:45:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:45:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:45:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-16 11:45:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-16 11:45:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-16 11:45:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-16 11:45:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 11:45:25,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 11:45:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:45:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-16 11:45:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-16 11:45:25,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-16 11:45:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-16 11:45:25,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-16 11:45:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-16 11:45:25,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-16 11:45:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-16 11:45:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-16 11:45:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-16 11:45:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-16 11:45:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-16 11:45:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-16 11:45:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-16 11:45:25,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:45:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-16 11:45:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-16 11:45:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:45:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:45:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 11:45:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 11:45:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:45:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:45:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-16 11:45:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-16 11:45:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-16 11:45:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-16 11:45:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-16 11:45:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-16 11:45:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:45:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:45:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:45:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:45:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-16 11:45:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-16 11:45:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-16 11:45:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-16 11:45:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-11-16 11:45:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-11-16 11:45:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-16 11:45:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-16 11:45:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-16 11:45:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-16 11:45:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-16 11:45:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-16 11:45:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-16 11:45:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-16 11:45:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-16 11:45:25,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-16 11:45:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 11:45:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 11:45:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-16 11:45:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-16 11:45:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 11:45:25,116 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 11:45:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-16 11:45:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-16 11:45:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-16 11:45:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-16 11:45:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-16 11:45:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-16 11:45:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-16 11:45:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-16 11:45:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 11:45:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 11:45:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-16 11:45:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-16 11:45:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:45:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:45:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 11:45:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 11:45:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-16 11:45:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-16 11:45:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:45:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:45:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:45:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:45:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-16 11:45:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-16 11:45:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 11:45:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 11:45:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-16 11:45:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-16 11:45:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 11:45:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 11:45:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-16 11:45:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-16 11:45:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-16 11:45:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-16 11:45:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-16 11:45:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-16 11:45:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-16 11:45:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-16 11:45:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-16 11:45:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-16 11:45:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-16 11:45:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-16 11:45:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-16 11:45:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-16 11:45:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-16 11:45:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:45:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:45:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-16 11:45:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-16 11:45:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-16 11:45:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-16 11:45:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-16 11:45:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-16 11:45:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 11:45:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 11:45:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-16 11:45:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-16 11:45:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-16 11:45:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-16 11:45:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-16 11:45:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-16 11:45:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 11:45:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 11:45:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:45:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:45:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:45:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-16 11:45:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-16 11:45:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-16 11:45:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-16 11:45:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-16 11:45:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-16 11:45:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-16 11:45:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-16 11:45:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 11:45:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 11:45:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:45:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-16 11:45:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-16 11:45:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-11-16 11:45:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-11-16 11:45:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:45:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-16 11:45:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-16 11:45:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 11:45:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 11:45:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-16 11:45:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-16 11:45:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-16 11:45:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-16 11:45:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-16 11:45:25,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-16 11:45:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 11:45:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 11:45:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 11:45:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 11:45:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-16 11:45:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-16 11:45:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 11:45:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 11:45:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 11:45:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 11:45:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-16 11:45:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-16 11:45:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:45:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:45:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-16 11:45:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-16 11:45:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-11-16 11:45:25,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-11-16 11:45:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 11:45:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 11:45:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 11:45:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 11:45:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-16 11:45:25,147 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-16 11:45:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 11:45:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 11:45:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-16 11:45:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-16 11:45:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:45:25,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:45:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-16 11:45:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-16 11:45:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:45:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:45:25,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:45:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-16 11:45:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-16 11:45:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-16 11:45:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-16 11:45:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-16 11:45:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-16 11:45:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-16 11:45:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-16 11:45:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-16 11:45:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-16 11:45:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-16 11:45:25,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-16 11:45:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 11:45:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 11:45:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-16 11:45:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-16 11:45:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 11:45:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 11:45:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-16 11:45:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-16 11:45:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-16 11:45:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-16 11:45:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-16 11:45:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-16 11:45:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-16 11:45:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-16 11:45:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-16 11:45:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-16 11:45:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-16 11:45:25,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-16 11:45:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-16 11:45:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-16 11:45:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-16 11:45:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-16 11:45:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 11:45:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 11:45:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-16 11:45:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-16 11:45:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-16 11:45:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-16 11:45:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-16 11:45:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-16 11:45:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-16 11:45:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-16 11:45:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-16 11:45:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-16 11:45:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:45:25,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:45:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-16 11:45:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-16 11:45:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 11:45:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 11:45:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-11-16 11:45:25,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-11-16 11:45:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:45:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 11:45:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 11:45:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-16 11:45:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-16 11:45:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-16 11:45:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-16 11:45:26,566 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:45:26,571 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:45:26,793 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:45:40,535 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-16 11:45:41,154 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:45:41,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:45:41,194 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-16 11:45:41,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:41 BoogieIcfgContainer [2022-11-16 11:45:41,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:45:41,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:45:41,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:45:41,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:45:41,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:45:16" (1/3) ... [2022-11-16 11:45:41,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca61e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:41, skipping insertion in model container [2022-11-16 11:45:41,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:23" (2/3) ... [2022-11-16 11:45:41,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca61e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:41, skipping insertion in model container [2022-11-16 11:45:41,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:41" (3/3) ... [2022-11-16 11:45:41,227 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-16 11:45:41,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:45:41,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:45:41,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:45:41,566 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@273bb02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:45:41,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:45:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 3259 states, 2215 states have (on average 1.3164785553047404) internal successors, (2916), 2259 states have internal predecessors, (2916), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-11-16 11:45:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-16 11:45:41,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:41,646 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:41,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:41,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:41,659 INFO L85 PathProgramCache]: Analyzing trace with hash 415510846, now seen corresponding path program 1 times [2022-11-16 11:45:41,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:45:41,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420554825] [2022-11-16 11:45:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:41,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:45:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:45:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:45:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:45:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:45:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:45:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:45:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:45:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:45:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:45:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:45:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:45:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:45:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:45:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:45:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:43,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:45:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:45:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:45:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 11:45:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-16 11:45:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-16 11:45:44,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:45:44,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420554825] [2022-11-16 11:45:44,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420554825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:44,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:44,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:45:44,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158612916] [2022-11-16 11:45:44,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:44,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:45:44,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:45:44,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:45:44,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:45:44,171 INFO L87 Difference]: Start difference. First operand has 3259 states, 2215 states have (on average 1.3164785553047404) internal successors, (2916), 2259 states have internal predecessors, (2916), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 11:46:00,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:00,744 INFO L93 Difference]: Finished difference Result 9306 states and 13674 transitions. [2022-11-16 11:46:00,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:46:00,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2022-11-16 11:46:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:00,821 INFO L225 Difference]: With dead ends: 9306 [2022-11-16 11:46:00,821 INFO L226 Difference]: Without dead ends: 6006 [2022-11-16 11:46:00,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:46:00,857 INFO L413 NwaCegarLoop]: 3052 mSDtfsCounter, 5687 mSDsluCounter, 3828 mSDsCounter, 0 mSdLazyCounter, 5375 mSolverCounterSat, 2468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6346 SdHoareTripleChecker+Valid, 6880 SdHoareTripleChecker+Invalid, 7843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2468 IncrementalHoareTripleChecker+Valid, 5375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:00,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6346 Valid, 6880 Invalid, 7843 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2468 Valid, 5375 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-11-16 11:46:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6006 states. [2022-11-16 11:46:01,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6006 to 5821. [2022-11-16 11:46:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5821 states, 3991 states have (on average 1.283387622149837) internal successors, (5122), 4060 states have internal predecessors, (5122), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2022-11-16 11:46:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5821 states to 5821 states and 8144 transitions. [2022-11-16 11:46:01,536 INFO L78 Accepts]: Start accepts. Automaton has 5821 states and 8144 transitions. Word has length 228 [2022-11-16 11:46:01,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:01,542 INFO L495 AbstractCegarLoop]: Abstraction has 5821 states and 8144 transitions. [2022-11-16 11:46:01,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 11:46:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 5821 states and 8144 transitions. [2022-11-16 11:46:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-16 11:46:01,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:01,556 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:01,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:46:01,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1041993229, now seen corresponding path program 1 times [2022-11-16 11:46:01,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:01,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757155824] [2022-11-16 11:46:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:01,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:46:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:46:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:46:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:46:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:46:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:46:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:46:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:46:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:46:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:46:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:46:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:46:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:46:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:46:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:46:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:46:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:46:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-16 11:46:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-16 11:46:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-16 11:46:03,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:03,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757155824] [2022-11-16 11:46:03,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757155824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:03,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:03,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:46:03,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304307507] [2022-11-16 11:46:03,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:03,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:46:03,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:03,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:46:03,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:46:03,730 INFO L87 Difference]: Start difference. First operand 5821 states and 8144 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 11:46:34,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:34,857 INFO L93 Difference]: Finished difference Result 22381 states and 31426 transitions. [2022-11-16 11:46:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:46:34,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 229 [2022-11-16 11:46:34,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:35,001 INFO L225 Difference]: With dead ends: 22381 [2022-11-16 11:46:35,002 INFO L226 Difference]: Without dead ends: 16597 [2022-11-16 11:46:35,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:46:35,043 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 16502 mSDsluCounter, 6026 mSDsCounter, 0 mSdLazyCounter, 12115 mSolverCounterSat, 8169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17881 SdHoareTripleChecker+Valid, 10299 SdHoareTripleChecker+Invalid, 20284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8169 IncrementalHoareTripleChecker+Valid, 12115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:35,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17881 Valid, 10299 Invalid, 20284 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8169 Valid, 12115 Invalid, 0 Unknown, 0 Unchecked, 29.1s Time] [2022-11-16 11:46:35,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16597 states. [2022-11-16 11:46:36,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16597 to 16045. [2022-11-16 11:46:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16045 states, 10951 states have (on average 1.280796274312848) internal successors, (14026), 11148 states have internal predecessors, (14026), 4179 states have call successors, (4179), 914 states have call predecessors, (4179), 914 states have return successors, (4179), 4118 states have call predecessors, (4179), 4179 states have call successors, (4179) [2022-11-16 11:46:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16045 states to 16045 states and 22384 transitions. [2022-11-16 11:46:36,397 INFO L78 Accepts]: Start accepts. Automaton has 16045 states and 22384 transitions. Word has length 229 [2022-11-16 11:46:36,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:36,399 INFO L495 AbstractCegarLoop]: Abstraction has 16045 states and 22384 transitions. [2022-11-16 11:46:36,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 11:46:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 16045 states and 22384 transitions. [2022-11-16 11:46:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-16 11:46:36,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:36,412 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:36,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:46:36,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:36,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:36,413 INFO L85 PathProgramCache]: Analyzing trace with hash -805339629, now seen corresponding path program 1 times [2022-11-16 11:46:36,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:36,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715927318] [2022-11-16 11:46:36,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:36,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:46:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:46:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:46:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:46:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:46:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:46:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:46:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:46:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:46:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:46:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:46:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:46:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:46:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:46:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:46:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:46:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:46:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-16 11:46:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:46:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:46:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-16 11:46:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-16 11:46:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2022-11-16 11:46:37,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:37,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715927318] [2022-11-16 11:46:37,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715927318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:37,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:37,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:46:37,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196710690] [2022-11-16 11:46:37,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:37,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:46:37,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:37,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:46:37,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:46:37,477 INFO L87 Difference]: Start difference. First operand 16045 states and 22384 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:46:52,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:52,417 INFO L93 Difference]: Finished difference Result 48307 states and 67626 transitions. [2022-11-16 11:46:52,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:46:52,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2022-11-16 11:46:52,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:52,638 INFO L225 Difference]: With dead ends: 48307 [2022-11-16 11:46:52,638 INFO L226 Difference]: Without dead ends: 32299 [2022-11-16 11:46:52,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:46:52,724 INFO L413 NwaCegarLoop]: 3923 mSDtfsCounter, 5470 mSDsluCounter, 4289 mSDsCounter, 0 mSdLazyCounter, 5950 mSolverCounterSat, 2124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6201 SdHoareTripleChecker+Valid, 8212 SdHoareTripleChecker+Invalid, 8074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2124 IncrementalHoareTripleChecker+Valid, 5950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:52,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6201 Valid, 8212 Invalid, 8074 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2124 Valid, 5950 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-11-16 11:46:52,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32299 states. [2022-11-16 11:46:54,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32299 to 31261. [2022-11-16 11:46:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31261 states, 21367 states have (on average 1.2801984368418589) internal successors, (27354), 21763 states have internal predecessors, (27354), 8107 states have call successors, (8107), 1786 states have call predecessors, (8107), 1786 states have return successors, (8107), 7982 states have call predecessors, (8107), 8107 states have call successors, (8107) [2022-11-16 11:46:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31261 states to 31261 states and 43568 transitions. [2022-11-16 11:46:54,950 INFO L78 Accepts]: Start accepts. Automaton has 31261 states and 43568 transitions. Word has length 256 [2022-11-16 11:46:54,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:54,951 INFO L495 AbstractCegarLoop]: Abstraction has 31261 states and 43568 transitions. [2022-11-16 11:46:54,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:46:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 31261 states and 43568 transitions. [2022-11-16 11:46:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-16 11:46:54,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:54,980 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:54,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:46:54,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:54,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1618440234, now seen corresponding path program 1 times [2022-11-16 11:46:54,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:54,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314970419] [2022-11-16 11:46:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:46:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:46:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:46:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:46:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:46:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:46:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:46:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:46:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:46:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:46:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:46:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:46:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:46:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:46:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:46:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:46:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:46:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-16 11:46:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:46:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-16 11:46:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:46:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:46:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:46:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-16 11:46:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-16 11:46:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:56,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2022-11-16 11:46:56,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:56,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314970419] [2022-11-16 11:46:56,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314970419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:56,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:56,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:46:56,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493793190] [2022-11-16 11:46:56,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:56,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:46:56,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:56,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:46:56,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:46:56,553 INFO L87 Difference]: Start difference. First operand 31261 states and 43568 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-16 11:47:09,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:09,748 INFO L93 Difference]: Finished difference Result 65372 states and 91250 transitions. [2022-11-16 11:47:09,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:47:09,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2022-11-16 11:47:09,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:10,021 INFO L225 Difference]: With dead ends: 65372 [2022-11-16 11:47:10,021 INFO L226 Difference]: Without dead ends: 34148 [2022-11-16 11:47:10,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:47:10,176 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 3871 mSDsluCounter, 3851 mSDsCounter, 0 mSdLazyCounter, 5236 mSolverCounterSat, 1675 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 6848 SdHoareTripleChecker+Invalid, 6911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 5236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:47:10,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 6848 Invalid, 6911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1675 Valid, 5236 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-11-16 11:47:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34148 states. [2022-11-16 11:47:12,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34148 to 33084. [2022-11-16 11:47:12,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33084 states, 22644 states have (on average 1.2793234410881469) internal successors, (28969), 23059 states have internal predecessors, (28969), 8524 states have call successors, (8524), 1915 states have call predecessors, (8524), 1915 states have return successors, (8524), 8396 states have call predecessors, (8524), 8524 states have call successors, (8524) [2022-11-16 11:47:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33084 states to 33084 states and 46017 transitions. [2022-11-16 11:47:13,098 INFO L78 Accepts]: Start accepts. Automaton has 33084 states and 46017 transitions. Word has length 276 [2022-11-16 11:47:13,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:47:13,100 INFO L495 AbstractCegarLoop]: Abstraction has 33084 states and 46017 transitions. [2022-11-16 11:47:13,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-16 11:47:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 33084 states and 46017 transitions. [2022-11-16 11:47:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-16 11:47:13,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:47:13,125 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:13,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:47:13,126 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:47:13,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:13,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1348516198, now seen corresponding path program 1 times [2022-11-16 11:47:13,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:13,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954798538] [2022-11-16 11:47:13,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:13,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:47:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:47:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:47:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:47:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:47:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:47:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:47:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:47:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:47:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:47:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:47:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:47:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:47:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:47:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:47:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:47:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:47:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:47:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:47:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-16 11:47:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-16 11:47:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-16 11:47:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-16 11:47:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:47:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-16 11:47:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-16 11:47:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2022-11-16 11:47:14,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:14,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954798538] [2022-11-16 11:47:14,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954798538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:14,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:14,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:47:14,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295842089] [2022-11-16 11:47:14,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:14,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:47:14,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:14,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:47:14,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:47:14,640 INFO L87 Difference]: Start difference. First operand 33084 states and 46017 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:47:30,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:30,045 INFO L93 Difference]: Finished difference Result 79506 states and 110904 transitions. [2022-11-16 11:47:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:47:30,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2022-11-16 11:47:30,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:30,474 INFO L225 Difference]: With dead ends: 79506 [2022-11-16 11:47:30,474 INFO L226 Difference]: Without dead ends: 48153 [2022-11-16 11:47:30,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:47:30,604 INFO L413 NwaCegarLoop]: 3752 mSDtfsCounter, 4855 mSDsluCounter, 4384 mSDsCounter, 0 mSdLazyCounter, 6195 mSolverCounterSat, 2013 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5488 SdHoareTripleChecker+Valid, 8136 SdHoareTripleChecker+Invalid, 8208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2013 IncrementalHoareTripleChecker+Valid, 6195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:47:30,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5488 Valid, 8136 Invalid, 8208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2013 Valid, 6195 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2022-11-16 11:47:30,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48153 states. [2022-11-16 11:47:34,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48153 to 46605. [2022-11-16 11:47:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46605 states, 31940 states have (on average 1.278522229179712) internal successors, (40836), 32513 states have internal predecessors, (40836), 11943 states have call successors, (11943), 2721 states have call predecessors, (11943), 2721 states have return successors, (11943), 11766 states have call predecessors, (11943), 11943 states have call successors, (11943) [2022-11-16 11:47:34,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46605 states to 46605 states and 64722 transitions. [2022-11-16 11:47:34,470 INFO L78 Accepts]: Start accepts. Automaton has 46605 states and 64722 transitions. Word has length 292 [2022-11-16 11:47:34,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:47:34,471 INFO L495 AbstractCegarLoop]: Abstraction has 46605 states and 64722 transitions. [2022-11-16 11:47:34,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:47:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 46605 states and 64722 transitions. [2022-11-16 11:47:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-16 11:47:34,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:47:34,504 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:34,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:47:34,505 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:47:34,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:34,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1893841130, now seen corresponding path program 1 times [2022-11-16 11:47:34,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:34,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308476948] [2022-11-16 11:47:34,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:34,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:47:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:47:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:47:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:47:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:47:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:47:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:47:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:47:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:47:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:47:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:47:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:47:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:47:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:47:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:47:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:47:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:47:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:47:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:47:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-16 11:47:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 11:47:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-16 11:47:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-16 11:47:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-16 11:47:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-16 11:47:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-16 11:47:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:47:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:47:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:47:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:47:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-16 11:47:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-11-16 11:47:36,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:36,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308476948] [2022-11-16 11:47:36,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308476948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:36,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:36,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:47:36,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509806095] [2022-11-16 11:47:36,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:36,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:47:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:36,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:47:36,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:47:36,166 INFO L87 Difference]: Start difference. First operand 46605 states and 64722 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-16 11:47:53,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:53,984 INFO L93 Difference]: Finished difference Result 138585 states and 193183 transitions. [2022-11-16 11:47:53,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:47:53,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-11-16 11:47:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:54,854 INFO L225 Difference]: With dead ends: 138585 [2022-11-16 11:47:54,854 INFO L226 Difference]: Without dead ends: 93711 [2022-11-16 11:47:55,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:47:55,096 INFO L413 NwaCegarLoop]: 4805 mSDtfsCounter, 4987 mSDsluCounter, 4974 mSDsCounter, 0 mSdLazyCounter, 6620 mSolverCounterSat, 1820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5723 SdHoareTripleChecker+Valid, 9779 SdHoareTripleChecker+Invalid, 8440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1820 IncrementalHoareTripleChecker+Valid, 6620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:47:55,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5723 Valid, 9779 Invalid, 8440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1820 Valid, 6620 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-11-16 11:47:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93711 states. [2022-11-16 11:47:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93711 to 90667. [2022-11-16 11:48:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90667 states, 62128 states have (on average 1.2789080607777492) internal successors, (79456), 63225 states have internal predecessors, (79456), 23246 states have call successors, (23246), 5292 states have call predecessors, (23246), 5292 states have return successors, (23246), 22925 states have call predecessors, (23246), 23246 states have call successors, (23246) [2022-11-16 11:48:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90667 states to 90667 states and 125948 transitions. [2022-11-16 11:48:00,794 INFO L78 Accepts]: Start accepts. Automaton has 90667 states and 125948 transitions. Word has length 332 [2022-11-16 11:48:00,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:48:00,795 INFO L495 AbstractCegarLoop]: Abstraction has 90667 states and 125948 transitions. [2022-11-16 11:48:00,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-16 11:48:00,796 INFO L276 IsEmpty]: Start isEmpty. Operand 90667 states and 125948 transitions. [2022-11-16 11:48:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-16 11:48:00,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:48:00,838 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:48:00,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:48:00,839 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:48:00,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:48:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash -292770024, now seen corresponding path program 1 times [2022-11-16 11:48:00,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:48:00,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837308360] [2022-11-16 11:48:00,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:48:00,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:48:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:48:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:48:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:48:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:48:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:48:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:48:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:48:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:48:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:48:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:48:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:48:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:48:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:48:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:48:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:48:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:48:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 11:48:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:48:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:48:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-16 11:48:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 11:48:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-16 11:48:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-16 11:48:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-16 11:48:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-16 11:48:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-16 11:48:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:48:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:48:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:48:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:48:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-16 11:48:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:48:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-11-16 11:48:02,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:48:02,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837308360] [2022-11-16 11:48:02,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837308360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:48:02,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:48:02,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:48:02,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886463107] [2022-11-16 11:48:02,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:48:02,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:48:02,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:48:02,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:48:02,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:48:02,527 INFO L87 Difference]: Start difference. First operand 90667 states and 125948 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-16 11:48:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:48:22,911 INFO L93 Difference]: Finished difference Result 228229 states and 318043 transitions. [2022-11-16 11:48:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:48:22,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-11-16 11:48:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:48:23,702 INFO L225 Difference]: With dead ends: 228229 [2022-11-16 11:48:23,703 INFO L226 Difference]: Without dead ends: 139167 [2022-11-16 11:48:23,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:48:23,982 INFO L413 NwaCegarLoop]: 5252 mSDtfsCounter, 4904 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 6750 mSolverCounterSat, 1686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5637 SdHoareTripleChecker+Valid, 10527 SdHoareTripleChecker+Invalid, 8436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1686 IncrementalHoareTripleChecker+Valid, 6750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:48:23,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5637 Valid, 10527 Invalid, 8436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1686 Valid, 6750 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2022-11-16 11:48:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139167 states.