./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro --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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- 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-8393723 [2022-11-18 20:32:58,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:32:58,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:32:58,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:32:58,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:32:58,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:32:58,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:32:58,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:32:58,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:32:58,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:32:58,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:32:58,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:32:58,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:32:58,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:32:58,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:32:58,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:32:58,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:32:58,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:32:58,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:32:58,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:32:58,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:32:58,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:32:58,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:32:58,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:32:58,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:32:58,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:32:58,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:32:58,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:32:58,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:32:58,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:32:58,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:32:58,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:32:58,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:32:58,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:32:58,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:32:58,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:32:58,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:32:58,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:32:58,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:32:58,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:32:58,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:32:58,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:32:58,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:32:58,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:32:58,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:32:58,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:32:58,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:32:58,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:32:58,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:32:58,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:32:58,313 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:32:58,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:32:58,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:32:58,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:32:58,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:32:58,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:32:58,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:32:58,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:32:58,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:32:58,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:32:58,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:32:58,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:32:58,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:32:58,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:32:58,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:32:58,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:32:58,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:32:58,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:32:58,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:32:58,319 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:32:58,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:32:58,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:32:58,319 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_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2022-11-18 20:32:58,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:32:58,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:32:58,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:32:58,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:32:58,653 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:32:58,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-18 20:32:58,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/data/7b70d025c/2026b91889b54e56a7af558561ba0b6d/FLAG9b562474d [2022-11-18 20:32:59,799 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:32:59,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-18 20:32:59,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/data/7b70d025c/2026b91889b54e56a7af558561ba0b6d/FLAG9b562474d [2022-11-18 20:33:00,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/data/7b70d025c/2026b91889b54e56a7af558561ba0b6d [2022-11-18 20:33:00,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:33:00,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:33:00,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:33:00,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:33:00,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:33:00,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:33:00" (1/1) ... [2022-11-18 20:33:00,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec12456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:00, skipping insertion in model container [2022-11-18 20:33:00,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:33:00" (1/1) ... [2022-11-18 20:33:00,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:33:00,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:33:06,155 WARN L234 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_3affac9f-202c-46f8-a03f-9179724207c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-18 20:33:06,159 WARN L234 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_3affac9f-202c-46f8-a03f-9179724207c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-18 20:33:06,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:33:06,222 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:33:06,838 WARN L234 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_3affac9f-202c-46f8-a03f-9179724207c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-18 20:33:06,839 WARN L234 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_3affac9f-202c-46f8-a03f-9179724207c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-18 20:33:06,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:33:07,063 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:33:07,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07 WrapperNode [2022-11-18 20:33:07,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:33:07,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:33:07,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:33:07,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:33:07,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:07,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:07,546 INFO L138 Inliner]: procedures = 696, calls = 4163, calls flagged for inlining = 369, calls inlined = 343, statements flattened = 10720 [2022-11-18 20:33:07,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:33:07,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:33:07,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:33:07,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:33:07,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:07,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:07,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:07,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:07,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:08,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:08,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:08,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:08,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:33:08,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:33:08,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:33:08,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:33:08,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (1/1) ... [2022-11-18 20:33:08,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:33:08,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:08,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:33:08,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3affac9f-202c-46f8-a03f-9179724207c5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:33:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:33:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:33:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-18 20:33:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-18 20:33:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-18 20:33:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-18 20:33:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-18 20:33:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-18 20:33:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-18 20:33:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-18 20:33:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:33:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:33:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:33:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:33:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-18 20:33:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-18 20:33:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:33:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:33:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-18 20:33:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-18 20:33:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 20:33:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 20:33:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:33:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:33:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:33:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:33:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-18 20:33:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-18 20:33:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:33:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:33:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-18 20:33:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-18 20:33:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-18 20:33:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-18 20:33:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-18 20:33:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-18 20:33:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:33:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:33:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 20:33:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 20:33:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:33:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:33:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 20:33:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 20:33:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:33:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:33:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:33:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:33:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:33:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:33:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:33:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:33:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-18 20:33:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-18 20:33:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:33:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:33:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:33:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-18 20:33:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-18 20:33:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-18 20:33:08,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-18 20:33:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-18 20:33:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-18 20:33:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-18 20:33:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-18 20:33:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:33:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:33:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2022-11-18 20:33:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2022-11-18 20:33:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-18 20:33:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-18 20:33:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:33:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-18 20:33:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-18 20:33:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-18 20:33:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-18 20:33:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-18 20:33:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-18 20:33:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:33:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:33:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:33:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:33:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-18 20:33:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-18 20:33:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:33:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 20:33:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 20:33:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:33:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:33:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:33:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 20:33:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 20:33:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:33:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:33:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 20:33:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 20:33:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-18 20:33:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-18 20:33:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-18 20:33:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-18 20:33:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 20:33:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 20:33:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:33:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:33:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:33:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:33:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-18 20:33:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-18 20:33:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:33:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-18 20:33:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-18 20:33:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-18 20:33:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-18 20:33:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-18 20:33:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-18 20:33:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-18 20:33:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-18 20:33:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:33:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:33:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:33:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 20:33:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 20:33:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:33:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:33:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:33:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-18 20:33:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-18 20:33:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-18 20:33:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-18 20:33:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:33:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:33:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:33:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-18 20:33:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-18 20:33:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:33:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:33:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-18 20:33:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-18 20:33:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-18 20:33:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-18 20:33:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-18 20:33:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-18 20:33:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-18 20:33:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-18 20:33:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-18 20:33:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-18 20:33:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-18 20:33:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-18 20:33:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 20:33:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 20:33:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:33:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:33:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-18 20:33:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-18 20:33:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 20:33:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 20:33:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-18 20:33:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-18 20:33:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-18 20:33:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-18 20:33:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-18 20:33:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-18 20:33:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-18 20:33:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-18 20:33:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-18 20:33:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-18 20:33:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 20:33:08,233 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 20:33:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:33:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:33:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-18 20:33:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-18 20:33:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-18 20:33:08,234 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-18 20:33:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-18 20:33:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-18 20:33:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-18 20:33:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-18 20:33:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:33:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:33:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-18 20:33:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-18 20:33:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 20:33:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 20:33:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:33:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:33:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:33:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:33:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:33:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:33:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:33:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:33:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:33:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:33:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-18 20:33:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-18 20:33:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 20:33:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 20:33:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 20:33:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 20:33:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-18 20:33:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-18 20:33:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-18 20:33:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-18 20:33:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:33:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:33:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-18 20:33:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-18 20:33:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-18 20:33:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-18 20:33:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-18 20:33:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-18 20:33:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-18 20:33:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-18 20:33:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:33:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:33:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:33:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:33:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-18 20:33:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-18 20:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-18 20:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-18 20:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-18 20:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-18 20:33:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-18 20:33:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-18 20:33:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 20:33:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 20:33:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:33:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 20:33:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 20:33:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-18 20:33:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-18 20:33:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_118 [2022-11-18 20:33:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_118 [2022-11-18 20:33:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-18 20:33:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-18 20:33:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:33:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:33:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:33:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-18 20:33:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-18 20:33:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-18 20:33:08,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-18 20:33:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-18 20:33:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-18 20:33:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-11-18 20:33:08,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-11-18 20:33:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:33:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-18 20:33:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-18 20:33:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-18 20:33:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-18 20:33:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-18 20:33:08,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-18 20:33:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 20:33:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 20:33:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 20:33:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 20:33:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-18 20:33:08,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-18 20:33:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:33:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:33:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 20:33:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 20:33:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:33:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:33:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-18 20:33:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-18 20:33:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-18 20:33:08,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-18 20:33:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-18 20:33:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-18 20:33:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-18 20:33:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-18 20:33:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-18 20:33:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-18 20:33:08,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 20:33:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 20:33:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:33:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:33:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-18 20:33:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-18 20:33:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 20:33:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 20:33:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-18 20:33:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-18 20:33:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-18 20:33:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-18 20:33:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:33:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:33:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-18 20:33:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-18 20:33:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-18 20:33:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-18 20:33:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-18 20:33:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-18 20:33:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:33:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:33:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-18 20:33:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-18 20:33:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-18 20:33:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-18 20:33:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:33:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:33:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:33:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 20:33:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 20:33:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:33:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:33:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-18 20:33:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-18 20:33:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:33:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:33:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-18 20:33:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-18 20:33:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-18 20:33:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-18 20:33:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-18 20:33:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-18 20:33:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-18 20:33:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-18 20:33:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 20:33:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 20:33:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-18 20:33:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-18 20:33:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:33:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:33:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-18 20:33:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-18 20:33:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-18 20:33:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-18 20:33:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-18 20:33:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-18 20:33:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-18 20:33:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-18 20:33:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 20:33:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 20:33:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-18 20:33:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-18 20:33:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:33:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 20:33:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 20:33:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2022-11-18 20:33:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2022-11-18 20:33:09,780 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:33:09,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:33:10,526 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:33:21,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-18 20:33:22,568 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:33:22,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:33:22,608 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:33:22,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:33:22 BoogieIcfgContainer [2022-11-18 20:33:22,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:33:22,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:33:22,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:33:22,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:33:22,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:33:00" (1/3) ... [2022-11-18 20:33:22,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db79018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:33:22, skipping insertion in model container [2022-11-18 20:33:22,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:33:07" (2/3) ... [2022-11-18 20:33:22,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db79018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:33:22, skipping insertion in model container [2022-11-18 20:33:22,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:33:22" (3/3) ... [2022-11-18 20:33:22,629 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-18 20:33:22,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:33:22,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:33:22,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:33:22,801 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;@2e951ddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:33:22,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:33:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 4249 states, 2940 states have (on average 1.3112244897959184) internal successors, (3855), 2977 states have internal predecessors, (3855), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) [2022-11-18 20:33:22,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-18 20:33:22,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:22,872 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:22,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:22,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash 125901395, now seen corresponding path program 1 times [2022-11-18 20:33:22,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:22,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722653086] [2022-11-18 20:33:22,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:33:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:33:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:33:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:33:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:33:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:33:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:33:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:33:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:33:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:33:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:33:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:33:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:33:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:33:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:33:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:33:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:33:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:33:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-18 20:33:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-18 20:33:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:33:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-11-18 20:33:24,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:24,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722653086] [2022-11-18 20:33:24,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722653086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:24,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:24,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:33:24,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078874434] [2022-11-18 20:33:24,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:24,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:33:24,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:24,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:33:24,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:33:24,769 INFO L87 Difference]: Start difference. First operand has 4249 states, 2940 states have (on average 1.3112244897959184) internal successors, (3855), 2977 states have internal predecessors, (3855), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:33:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:40,972 INFO L93 Difference]: Finished difference Result 12698 states and 18785 transitions. [2022-11-18 20:33:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:33:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 242 [2022-11-18 20:33:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:41,048 INFO L225 Difference]: With dead ends: 12698 [2022-11-18 20:33:41,049 INFO L226 Difference]: Without dead ends: 8408 [2022-11-18 20:33:41,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:33:41,090 INFO L413 NwaCegarLoop]: 5164 mSDtfsCounter, 7391 mSDsluCounter, 6226 mSDsCounter, 0 mSdLazyCounter, 6142 mSolverCounterSat, 3038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8375 SdHoareTripleChecker+Valid, 11390 SdHoareTripleChecker+Invalid, 9180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3038 IncrementalHoareTripleChecker+Valid, 6142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:41,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8375 Valid, 11390 Invalid, 9180 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3038 Valid, 6142 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-11-18 20:33:41,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8408 states. [2022-11-18 20:33:41,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8408 to 7885. [2022-11-18 20:33:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7885 states, 5500 states have (on average 1.289090909090909) internal successors, (7090), 5566 states have internal predecessors, (7090), 2070 states have call successors, (2070), 314 states have call predecessors, (2070), 314 states have return successors, (2070), 2054 states have call predecessors, (2070), 2070 states have call successors, (2070) [2022-11-18 20:33:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 11230 transitions. [2022-11-18 20:33:41,822 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 11230 transitions. Word has length 242 [2022-11-18 20:33:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:41,823 INFO L495 AbstractCegarLoop]: Abstraction has 7885 states and 11230 transitions. [2022-11-18 20:33:41,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:33:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 11230 transitions. [2022-11-18 20:33:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-18 20:33:41,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:41,835 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:33:41,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:33:41,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:41,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:41,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1669569027, now seen corresponding path program 1 times [2022-11-18 20:33:41,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:41,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355871173] [2022-11-18 20:33:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:41,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:33:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:33:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:33:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:33:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:33:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:33:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:33:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:33:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:33:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:33:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:33:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:33:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:33:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:33:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:33:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:33:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:33:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:33:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 20:33:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 20:33:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 20:33:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-11-18 20:33:42,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:42,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355871173] [2022-11-18 20:33:42,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355871173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:33:42,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:33:42,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:33:42,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977867710] [2022-11-18 20:33:42,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:33:42,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:33:42,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:42,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:33:42,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:33:42,730 INFO L87 Difference]: Start difference. First operand 7885 states and 11230 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:33:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:58,184 INFO L93 Difference]: Finished difference Result 24099 states and 34473 transitions. [2022-11-18 20:33:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:33:58,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 243 [2022-11-18 20:33:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:58,284 INFO L225 Difference]: With dead ends: 24099 [2022-11-18 20:33:58,284 INFO L226 Difference]: Without dead ends: 16253 [2022-11-18 20:33:58,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:33:58,314 INFO L413 NwaCegarLoop]: 6080 mSDtfsCounter, 7021 mSDsluCounter, 6734 mSDsCounter, 0 mSdLazyCounter, 6489 mSolverCounterSat, 2671 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8067 SdHoareTripleChecker+Valid, 12814 SdHoareTripleChecker+Invalid, 9160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2671 IncrementalHoareTripleChecker+Valid, 6489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:58,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8067 Valid, 12814 Invalid, 9160 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2671 Valid, 6489 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-11-18 20:33:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16253 states. [2022-11-18 20:33:59,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16253 to 15237. [2022-11-18 20:33:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15237 states, 10626 states have (on average 1.2871259175607002) internal successors, (13677), 10745 states have internal predecessors, (13677), 3994 states have call successors, (3994), 616 states have call predecessors, (3994), 616 states have return successors, (3994), 3968 states have call predecessors, (3994), 3994 states have call successors, (3994) [2022-11-18 20:33:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15237 states to 15237 states and 21665 transitions. [2022-11-18 20:33:59,355 INFO L78 Accepts]: Start accepts. Automaton has 15237 states and 21665 transitions. Word has length 243 [2022-11-18 20:33:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:59,357 INFO L495 AbstractCegarLoop]: Abstraction has 15237 states and 21665 transitions. [2022-11-18 20:33:59,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:33:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 15237 states and 21665 transitions. [2022-11-18 20:33:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-18 20:33:59,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:59,370 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2022-11-18 20:33:59,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:33:59,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:59,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:59,371 INFO L85 PathProgramCache]: Analyzing trace with hash 701523336, now seen corresponding path program 1 times [2022-11-18 20:33:59,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:59,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606049574] [2022-11-18 20:33:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:59,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:33:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:33:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:33:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:33:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:33:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:33:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:33:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:33:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:33:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:33:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:33:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:34:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:34:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:34:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:34:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:34:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:34:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:34:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-18 20:34:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:34:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:34:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:34:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:34:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:34:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-18 20:34:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-11-18 20:34:00,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:00,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606049574] [2022-11-18 20:34:00,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606049574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:00,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:00,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:34:00,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040836178] [2022-11-18 20:34:00,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:00,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:34:00,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:00,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:34:00,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:34:00,220 INFO L87 Difference]: Start difference. First operand 15237 states and 21665 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-18 20:34:13,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:13,070 INFO L93 Difference]: Finished difference Result 43436 states and 61904 transitions. [2022-11-18 20:34:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:34:13,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 262 [2022-11-18 20:34:13,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:13,337 INFO L225 Difference]: With dead ends: 43436 [2022-11-18 20:34:13,337 INFO L226 Difference]: Without dead ends: 28238 [2022-11-18 20:34:13,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:34:13,407 INFO L413 NwaCegarLoop]: 4995 mSDtfsCounter, 6597 mSDsluCounter, 6172 mSDsCounter, 0 mSdLazyCounter, 5823 mSolverCounterSat, 2741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7407 SdHoareTripleChecker+Valid, 11167 SdHoareTripleChecker+Invalid, 8564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2741 IncrementalHoareTripleChecker+Valid, 5823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:13,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7407 Valid, 11167 Invalid, 8564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2741 Valid, 5823 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-11-18 20:34:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28238 states. [2022-11-18 20:34:15,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28238 to 26452. [2022-11-18 20:34:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26452 states, 18457 states have (on average 1.289754564663813) internal successors, (23805), 18673 states have internal predecessors, (23805), 6847 states have call successors, (6847), 1142 states have call predecessors, (6847), 1147 states have return successors, (6860), 6796 states have call predecessors, (6860), 6847 states have call successors, (6860) [2022-11-18 20:34:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26452 states to 26452 states and 37512 transitions. [2022-11-18 20:34:15,325 INFO L78 Accepts]: Start accepts. Automaton has 26452 states and 37512 transitions. Word has length 262 [2022-11-18 20:34:15,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:15,326 INFO L495 AbstractCegarLoop]: Abstraction has 26452 states and 37512 transitions. [2022-11-18 20:34:15,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-18 20:34:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 26452 states and 37512 transitions. [2022-11-18 20:34:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-18 20:34:15,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:15,338 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:34:15,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:34:15,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:15,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1573369887, now seen corresponding path program 1 times [2022-11-18 20:34:15,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:15,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080966028] [2022-11-18 20:34:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:15,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:34:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:34:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:34:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:34:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:34:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:34:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:34:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:34:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:34:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:34:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:34:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:34:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:34:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:34:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:34:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:34:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:34:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:34:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 20:34:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:34:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:34:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 20:34:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:34:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-11-18 20:34:16,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:16,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080966028] [2022-11-18 20:34:16,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080966028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:16,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:16,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:34:16,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995362148] [2022-11-18 20:34:16,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:16,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:34:16,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:16,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:34:16,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:34:16,114 INFO L87 Difference]: Start difference. First operand 26452 states and 37512 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 20:34:30,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:30,930 INFO L93 Difference]: Finished difference Result 79773 states and 113491 transitions. [2022-11-18 20:34:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:34:30,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 268 [2022-11-18 20:34:30,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:31,275 INFO L225 Difference]: With dead ends: 79773 [2022-11-18 20:34:31,275 INFO L226 Difference]: Without dead ends: 53360 [2022-11-18 20:34:31,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:34:31,392 INFO L413 NwaCegarLoop]: 6752 mSDtfsCounter, 7089 mSDsluCounter, 7156 mSDsCounter, 0 mSdLazyCounter, 6694 mSolverCounterSat, 2559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8156 SdHoareTripleChecker+Valid, 13908 SdHoareTripleChecker+Invalid, 9253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2559 IncrementalHoareTripleChecker+Valid, 6694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:31,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8156 Valid, 13908 Invalid, 9253 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2559 Valid, 6694 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-11-18 20:34:31,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53360 states. [2022-11-18 20:34:34,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53360 to 50000. [2022-11-18 20:34:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50000 states, 34936 states have (on average 1.2878119990840393) internal successors, (44991), 35361 states have internal predecessors, (44991), 12873 states have call successors, (12873), 2180 states have call predecessors, (12873), 2190 states have return successors, (12899), 12764 states have call predecessors, (12899), 12873 states have call successors, (12899) [2022-11-18 20:34:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50000 states to 50000 states and 70763 transitions. [2022-11-18 20:34:34,907 INFO L78 Accepts]: Start accepts. Automaton has 50000 states and 70763 transitions. Word has length 268 [2022-11-18 20:34:34,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:34,908 INFO L495 AbstractCegarLoop]: Abstraction has 50000 states and 70763 transitions. [2022-11-18 20:34:34,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 20:34:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 50000 states and 70763 transitions. [2022-11-18 20:34:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-18 20:34:34,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:34,924 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:34:34,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:34:34,924 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:34,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1371118289, now seen corresponding path program 1 times [2022-11-18 20:34:34,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:34,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851813201] [2022-11-18 20:34:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:34,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:34:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:34:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:34:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:34:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:34:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:34:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:34:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:34:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:34:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:34:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:34:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:34:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:34:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:34:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:34:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:34:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:34:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:34:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 20:34:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:34:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-18 20:34:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:34:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-18 20:34:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-18 20:34:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-18 20:34:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1397 trivial. 0 not checked. [2022-11-18 20:34:35,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:35,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851813201] [2022-11-18 20:34:35,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851813201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:35,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:35,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:34:35,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628228886] [2022-11-18 20:34:35,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:35,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:34:35,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:35,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:34:35,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:34:35,647 INFO L87 Difference]: Start difference. First operand 50000 states and 70763 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-18 20:34:45,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:45,936 INFO L93 Difference]: Finished difference Result 104151 states and 147680 transitions. [2022-11-18 20:34:45,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:34:45,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 290 [2022-11-18 20:34:45,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:46,217 INFO L225 Difference]: With dead ends: 104151 [2022-11-18 20:34:46,217 INFO L226 Difference]: Without dead ends: 54190 [2022-11-18 20:34:46,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:34:46,383 INFO L413 NwaCegarLoop]: 4483 mSDtfsCounter, 2681 mSDsluCounter, 6189 mSDsCounter, 0 mSdLazyCounter, 5047 mSolverCounterSat, 1346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 10672 SdHoareTripleChecker+Invalid, 6393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1346 IncrementalHoareTripleChecker+Valid, 5047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:46,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 10672 Invalid, 6393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1346 Valid, 5047 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-18 20:34:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54190 states. [2022-11-18 20:34:49,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54190 to 50755. [2022-11-18 20:34:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50755 states, 35486 states have (on average 1.2862255537395029) internal successors, (45643), 35914 states have internal predecessors, (45643), 12990 states have call successors, (12990), 2268 states have call predecessors, (12990), 2278 states have return successors, (13016), 12881 states have call predecessors, (13016), 12990 states have call successors, (13016) [2022-11-18 20:34:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50755 states to 50755 states and 71649 transitions. [2022-11-18 20:34:49,658 INFO L78 Accepts]: Start accepts. Automaton has 50755 states and 71649 transitions. Word has length 290 [2022-11-18 20:34:49,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:49,659 INFO L495 AbstractCegarLoop]: Abstraction has 50755 states and 71649 transitions. [2022-11-18 20:34:49,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-18 20:34:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 50755 states and 71649 transitions. [2022-11-18 20:34:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-18 20:34:49,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:49,672 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:34:49,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:34:49,672 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:49,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:49,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1180253874, now seen corresponding path program 1 times [2022-11-18 20:34:49,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:49,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313178438] [2022-11-18 20:34:49,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:49,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:34:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:34:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:34:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:34:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:34:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:34:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:34:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:34:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:34:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:34:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:34:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:34:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:34:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:34:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:34:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:34:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:34:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:34:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 20:34:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 20:34:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 20:34:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-18 20:34:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:34:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 20:34:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-18 20:34:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-18 20:34:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-18 20:34:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-18 20:34:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-11-18 20:34:50,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:50,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313178438] [2022-11-18 20:34:50,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313178438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:34:50,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:34:50,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:34:50,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236472224] [2022-11-18 20:34:50,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:34:50,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:34:50,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:50,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:34:50,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:34:50,768 INFO L87 Difference]: Start difference. First operand 50755 states and 71649 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 20:35:06,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:35:06,090 INFO L93 Difference]: Finished difference Result 127735 states and 181095 transitions. [2022-11-18 20:35:06,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:35:06,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 308 [2022-11-18 20:35:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:35:06,580 INFO L225 Difference]: With dead ends: 127735 [2022-11-18 20:35:06,581 INFO L226 Difference]: Without dead ends: 77602 [2022-11-18 20:35:06,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:35:06,712 INFO L413 NwaCegarLoop]: 6540 mSDtfsCounter, 6631 mSDsluCounter, 7322 mSDsCounter, 0 mSdLazyCounter, 6716 mSolverCounterSat, 2418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7591 SdHoareTripleChecker+Valid, 13862 SdHoareTripleChecker+Invalid, 9134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2418 IncrementalHoareTripleChecker+Valid, 6716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:35:06,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7591 Valid, 13862 Invalid, 9134 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2418 Valid, 6716 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2022-11-18 20:35:06,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77602 states. [2022-11-18 20:35:10,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77602 to 72611. [2022-11-18 20:35:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72611 states, 50803 states have (on average 1.2860460996397851) internal successors, (65335), 51408 states have internal predecessors, (65335), 18524 states have call successors, (18524), 3267 states have call predecessors, (18524), 3283 states have return successors, (18562), 18366 states have call predecessors, (18562), 18524 states have call successors, (18562) [2022-11-18 20:35:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72611 states to 72611 states and 102421 transitions. [2022-11-18 20:35:10,543 INFO L78 Accepts]: Start accepts. Automaton has 72611 states and 102421 transitions. Word has length 308 [2022-11-18 20:35:10,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:35:10,545 INFO L495 AbstractCegarLoop]: Abstraction has 72611 states and 102421 transitions. [2022-11-18 20:35:10,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 20:35:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 72611 states and 102421 transitions. [2022-11-18 20:35:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-11-18 20:35:10,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:35:10,570 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:35:10,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:35:10,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:35:10,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:35:10,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1950822028, now seen corresponding path program 1 times [2022-11-18 20:35:10,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:35:10,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936754312] [2022-11-18 20:35:10,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:35:10,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:35:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:35:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:35:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:35:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:35:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:35:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:35:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:35:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:35:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:35:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:35:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:35:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:35:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:35:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:35:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:35:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:35:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:35:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:35:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 20:35:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 20:35:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 20:35:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 20:35:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-18 20:35:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:35:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-18 20:35:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 20:35:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-18 20:35:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-18 20:35:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-18 20:35:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-18 20:35:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 20:35:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1622 trivial. 0 not checked. [2022-11-18 20:35:11,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:35:11,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936754312] [2022-11-18 20:35:11,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936754312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:35:11,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:35:11,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:35:11,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043336633] [2022-11-18 20:35:11,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:35:11,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:35:11,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:35:11,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:35:11,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:35:11,695 INFO L87 Difference]: Start difference. First operand 72611 states and 102421 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-18 20:35:29,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:35:29,898 INFO L93 Difference]: Finished difference Result 225186 states and 319263 transitions. [2022-11-18 20:35:29,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:35:29,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 348 [2022-11-18 20:35:29,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:35:30,540 INFO L225 Difference]: With dead ends: 225186 [2022-11-18 20:35:30,540 INFO L226 Difference]: Without dead ends: 153197 [2022-11-18 20:35:30,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:35:30,933 INFO L413 NwaCegarLoop]: 7216 mSDtfsCounter, 6750 mSDsluCounter, 7596 mSDsCounter, 0 mSdLazyCounter, 7025 mSolverCounterSat, 2382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7820 SdHoareTripleChecker+Valid, 14812 SdHoareTripleChecker+Invalid, 9407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2382 IncrementalHoareTripleChecker+Valid, 7025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:35:30,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7820 Valid, 14812 Invalid, 9407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2382 Valid, 7025 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-11-18 20:35:31,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153197 states. [2022-11-18 20:35:38,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153197 to 143326. [2022-11-18 20:35:38,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143326 states, 100285 states have (on average 1.2866430672583138) internal successors, (129031), 101452 states have internal predecessors, (129031), 36590 states have call successors, (36590), 6418 states have call predecessors, (36590), 6450 states have return successors, (36666), 36314 states have call predecessors, (36666), 36590 states have call successors, (36666) [2022-11-18 20:35:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143326 states to 143326 states and 202287 transitions. [2022-11-18 20:35:39,221 INFO L78 Accepts]: Start accepts. Automaton has 143326 states and 202287 transitions. Word has length 348 [2022-11-18 20:35:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:35:39,222 INFO L495 AbstractCegarLoop]: Abstraction has 143326 states and 202287 transitions. [2022-11-18 20:35:39,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-18 20:35:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 143326 states and 202287 transitions. [2022-11-18 20:35:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-11-18 20:35:39,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:35:39,250 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:35:39,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:35:39,250 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:35:39,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:35:39,251 INFO L85 PathProgramCache]: Analyzing trace with hash -53325262, now seen corresponding path program 1 times [2022-11-18 20:35:39,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:35:39,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217684414] [2022-11-18 20:35:39,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:35:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:35:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:35:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:35:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:35:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:35:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:35:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:35:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:35:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:35:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:35:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:35:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:35:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:35:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:35:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:35:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:35:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:35:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:35:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-18 20:35:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 20:35:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 20:35:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 20:35:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 20:35:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:35:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-18 20:35:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:35:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-18 20:35:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 20:35:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-18 20:35:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-18 20:35:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-18 20:35:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-18 20:35:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 20:35:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:35:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1622 trivial. 0 not checked. [2022-11-18 20:35:40,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:35:40,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217684414] [2022-11-18 20:35:40,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217684414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:35:40,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:35:40,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:35:40,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413823819] [2022-11-18 20:35:40,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:35:40,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:35:40,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:35:40,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:35:40,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:35:40,456 INFO L87 Difference]: Start difference. First operand 143326 states and 202287 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32)