./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-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y --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 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:01:20,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:01:20,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:01:21,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:01:21,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:01:21,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:01:21,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:01:21,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:01:21,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:01:21,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:01:21,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:01:21,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:01:21,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:01:21,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:01:21,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:01:21,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:01:21,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:01:21,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:01:21,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:01:21,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:01:21,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:01:21,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:01:21,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:01:21,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:01:21,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:01:21,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:01:21,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:01:21,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:01:21,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:01:21,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:01:21,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:01:21,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:01:21,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:01:21,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:01:21,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:01:21,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:01:21,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:01:21,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:01:21,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:01:21,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:01:21,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:01:21,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:01:21,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:01:21,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:01:21,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:01:21,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:01:21,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:01:21,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:01:21,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:01:21,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:01:21,225 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:01:21,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:01:21,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:01:21,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:01:21,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:01:21,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:01:21,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:01:21,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:01:21,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:01:21,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:01:21,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:01:21,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:01:21,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:01:21,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:01:21,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:01:21,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:01:21,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:01:21,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:01:21,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:01:21,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:01:21,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:01:21,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:01:21,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:01:21,237 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_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 [2021-11-13 18:01:21,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:01:21,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:01:21,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:01:21,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:01:21,740 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:01:21,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-13 18:01:21,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/data/dcd3a4c29/4d855244b7d24adda6465793dd150f44/FLAGf80fbd2b3 [2021-11-13 18:01:23,443 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:01:23,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-13 18:01:23,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/data/dcd3a4c29/4d855244b7d24adda6465793dd150f44/FLAGf80fbd2b3 [2021-11-13 18:01:23,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/data/dcd3a4c29/4d855244b7d24adda6465793dd150f44 [2021-11-13 18:01:23,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:01:23,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:01:23,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:01:23,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:01:23,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:01:23,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:01:23" (1/1) ... [2021-11-13 18:01:23,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c2eca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:23, skipping insertion in model container [2021-11-13 18:01:23,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:01:23" (1/1) ... [2021-11-13 18:01:23,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:01:24,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:01:34,120 WARN L228 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_013cb14d-2c0a-4c97-bd64-34d6e044885f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2021-11-13 18:01:34,132 WARN L228 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_013cb14d-2c0a-4c97-bd64-34d6e044885f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2021-11-13 18:01:34,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:01:34,368 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:01:35,377 WARN L228 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_013cb14d-2c0a-4c97-bd64-34d6e044885f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2021-11-13 18:01:35,377 WARN L228 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_013cb14d-2c0a-4c97-bd64-34d6e044885f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2021-11-13 18:01:35,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:01:35,968 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:01:35,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35 WrapperNode [2021-11-13 18:01:35,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:01:35,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:01:35,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:01:35,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:01:35,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:36,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:36,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:01:36,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:01:36,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:01:36,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:01:36,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:36,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:36,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:36,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:37,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:37,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:37,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:37,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:01:37,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:01:37,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:01:37,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:01:37,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (1/1) ... [2021-11-13 18:01:37,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:01:37,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:01:37,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:01:37,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013cb14d-2c0a-4c97-bd64-34d6e044885f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:01:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 18:01:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 18:01:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-11-13 18:01:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-11-13 18:01:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-11-13 18:01:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-11-13 18:01:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-11-13 18:01:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-11-13 18:01:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-11-13 18:01:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-11-13 18:01:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-11-13 18:01:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-11-13 18:01:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:01:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:01:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-13 18:01:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-13 18:01:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:01:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:01:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-11-13 18:01:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-11-13 18:01:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-13 18:01:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-13 18:01:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-13 18:01:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-13 18:01:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-11-13 18:01:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-11-13 18:01:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 18:01:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 18:01:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 18:01:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 18:01:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-11-13 18:01:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-11-13 18:01:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 18:01:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 18:01:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 18:01:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 18:01:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-13 18:01:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-13 18:01:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-11-13 18:01:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-11-13 18:01:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:01:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:01:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-11-13 18:01:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-11-13 18:01:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:01:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:01:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 18:01:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 18:01:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-11-13 18:01:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-11-13 18:01:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:01:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-11-13 18:01:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-11-13 18:01:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-11-13 18:01:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-11-13 18:01:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-13 18:01:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-13 18:01:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 18:01:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 18:01:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-13 18:01:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-13 18:01:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-13 18:01:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-13 18:01:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 18:01:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 18:01:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:01:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:01:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-13 18:01:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-13 18:01:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-13 18:01:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-13 18:01:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:01:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 18:01:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 18:01:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 18:01:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 18:01:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-11-13 18:01:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-11-13 18:01:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-13 18:01:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-13 18:01:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-13 18:01:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-13 18:01:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 18:01:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 18:01:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-13 18:01:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-13 18:01:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-13 18:01:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-13 18:01:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-13 18:01:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-13 18:01:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-11-13 18:01:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-11-13 18:01:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-11-13 18:01:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-11-13 18:01:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-11-13 18:01:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-11-13 18:01:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 18:01:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 18:01:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:01:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:01:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:01:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:01:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-11-13 18:01:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-11-13 18:01:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 18:01:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 18:01:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-13 18:01:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-13 18:01:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-11-13 18:01:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-11-13 18:01:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-13 18:01:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-13 18:01:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:01:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:01:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-11-13 18:01:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-11-13 18:01:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 18:01:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 18:01:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-11-13 18:01:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-11-13 18:01:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:01:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:01:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-11-13 18:01:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-11-13 18:01:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:01:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:01:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-11-13 18:01:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-11-13 18:01:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 18:01:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 18:01:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-11-13 18:01:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-11-13 18:01:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:01:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:01:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:01:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:01:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:01:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-13 18:01:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-13 18:01:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-13 18:01:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-13 18:01:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 18:01:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 18:01:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-11-13 18:01:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-11-13 18:01:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 18:01:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-11-13 18:01:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-11-13 18:01:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 18:01:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 18:01:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-11-13 18:01:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-11-13 18:01:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-11-13 18:01:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-11-13 18:01:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 18:01:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 18:01:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-13 18:01:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-13 18:01:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-13 18:01:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-13 18:01:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-11-13 18:01:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-11-13 18:01:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:01:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:01:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-13 18:01:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-13 18:01:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 18:01:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 18:01:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-11-13 18:01:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-11-13 18:01:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 18:01:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 18:01:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-11-13 18:01:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-11-13 18:01:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-11-13 18:01:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-11-13 18:01:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-11-13 18:01:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-11-13 18:01:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-11-13 18:01:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-11-13 18:01:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:01:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:01:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:01:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:01:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-11-13 18:01:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-11-13 18:01:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 18:01:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 18:01:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-11-13 18:01:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-11-13 18:01:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 18:01:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 18:01:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-11-13 18:01:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-11-13 18:01:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:01:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:01:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2021-11-13 18:01:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2021-11-13 18:01:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-11-13 18:01:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-11-13 18:01:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-13 18:01:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-13 18:01:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-11-13 18:01:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-11-13 18:01:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 18:01:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 18:01:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-13 18:01:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-13 18:01:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-11-13 18:01:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-11-13 18:01:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:01:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:01:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:01:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-11-13 18:01:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-11-13 18:01:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:01:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:01:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-13 18:01:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-13 18:01:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-13 18:01:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-13 18:01:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-13 18:01:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-13 18:01:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:01:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:01:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-13 18:01:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-13 18:01:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-13 18:01:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-13 18:01:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-11-13 18:01:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-11-13 18:01:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-11-13 18:01:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-11-13 18:01:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 18:01:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 18:01:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:01:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:01:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-13 18:01:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-13 18:01:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-11-13 18:01:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-11-13 18:01:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:01:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:01:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 18:01:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 18:01:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-11-13 18:01:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-11-13 18:01:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-11-13 18:01:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-11-13 18:01:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-11-13 18:01:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-11-13 18:01:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-13 18:01:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-13 18:01:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-13 18:01:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-13 18:01:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 18:01:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 18:01:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-11-13 18:01:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-11-13 18:01:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 18:01:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 18:01:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-11-13 18:01:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-11-13 18:01:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 18:01:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 18:01:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:01:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:01:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-11-13 18:01:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-11-13 18:01:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:01:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-13 18:01:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-13 18:01:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-11-13 18:01:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-11-13 18:01:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-13 18:01:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-13 18:01:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-13 18:01:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-13 18:01:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 18:01:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 18:01:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-11-13 18:01:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-11-13 18:01:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:01:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-13 18:01:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-13 18:01:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:01:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:01:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:01:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 18:01:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 18:01:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:01:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:01:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 18:01:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 18:01:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:01:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:01:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-11-13 18:01:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-11-13 18:01:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 18:01:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 18:01:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-11-13 18:01:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-11-13 18:01:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-11-13 18:01:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-11-13 18:01:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:01:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:01:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-13 18:01:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-13 18:01:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:01:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:01:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:01:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:01:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 18:01:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 18:01:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-11-13 18:01:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-11-13 18:01:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-11-13 18:01:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-11-13 18:01:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 18:01:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 18:01:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-11-13 18:01:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-11-13 18:01:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-13 18:01:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-13 18:01:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-13 18:01:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-13 18:01:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-11-13 18:01:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-11-13 18:01:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:01:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:01:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:01:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-11-13 18:01:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-11-13 18:01:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-11-13 18:01:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-11-13 18:01:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 18:01:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 18:01:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-11-13 18:01:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-11-13 18:01:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-11-13 18:01:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-11-13 18:01:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-13 18:01:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-13 18:01:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-11-13 18:01:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-11-13 18:01:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-13 18:01:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-13 18:01:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:01:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:01:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-11-13 18:01:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-11-13 18:01:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-11-13 18:01:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-11-13 18:01:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-13 18:01:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-13 18:01:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-11-13 18:01:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-11-13 18:01:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-11-13 18:01:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-11-13 18:01:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-11-13 18:01:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-11-13 18:01:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-13 18:01:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-13 18:01:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-13 18:01:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-13 18:01:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 18:01:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 18:01:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 18:01:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 18:01:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:01:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-11-13 18:01:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-11-13 18:01:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:01:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:01:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-13 18:01:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-13 18:01:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-13 18:01:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-13 18:01:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-13 18:01:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-13 18:01:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 18:01:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 18:01:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 18:01:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 18:01:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-11-13 18:01:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-11-13 18:01:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-11-13 18:01:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-11-13 18:01:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 18:01:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 18:01:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-11-13 18:01:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-11-13 18:01:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-11-13 18:01:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-11-13 18:01:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-11-13 18:01:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-11-13 18:01:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 18:01:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 18:01:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-13 18:01:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-13 18:01:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-11-13 18:01:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-11-13 18:01:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-13 18:01:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-13 18:01:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-11-13 18:01:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-11-13 18:01:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:01:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:01:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-13 18:01:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-13 18:01:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-13 18:01:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-13 18:01:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-11-13 18:01:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-11-13 18:01:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 18:01:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 18:01:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-11-13 18:01:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-11-13 18:01:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2021-11-13 18:01:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2021-11-13 18:01:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-13 18:01:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-13 18:01:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 18:01:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 18:01:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-11-13 18:01:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-11-13 18:01:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 18:01:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 18:01:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 18:01:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 18:01:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-11-13 18:01:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-11-13 18:01:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-11-13 18:01:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-11-13 18:01:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-13 18:01:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-13 18:01:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:01:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:01:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-11-13 18:01:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-11-13 18:01:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:01:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-11-13 18:01:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-11-13 18:01:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 18:01:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 18:01:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-13 18:01:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-13 18:01:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-11-13 18:01:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-11-13 18:01:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-13 18:01:40,064 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:02:13,925 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 18:02:14,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:02:14,170 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-13 18:02:14,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:02:14 BoogieIcfgContainer [2021-11-13 18:02:14,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:02:14,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:02:14,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:02:14,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:02:14,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:01:23" (1/3) ... [2021-11-13 18:02:14,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c991b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:02:14, skipping insertion in model container [2021-11-13 18:02:14,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:01:35" (2/3) ... [2021-11-13 18:02:14,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c991b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:02:14, skipping insertion in model container [2021-11-13 18:02:14,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:02:14" (3/3) ... [2021-11-13 18:02:14,189 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-13 18:02:14,196 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:02:14,197 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:02:14,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:02:14,294 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:02:14,295 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:02:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 4386 states, 2922 states have (on average 1.2936344969199178) internal successors, (3780), 3001 states have internal predecessors, (3780), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) [2021-11-13 18:02:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-13 18:02:14,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:02:14,502 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:02:14,503 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:02:14,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:02:14,510 INFO L85 PathProgramCache]: Analyzing trace with hash 391924849, now seen corresponding path program 1 times [2021-11-13 18:02:14,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:02:14,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512266744] [2021-11-13 18:02:14,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:02:14,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:02:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:02:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:02:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:02:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:02:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:02:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:02:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:02:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:02:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:02:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:02:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:02:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:02:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:02:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:02:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:02:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:02:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:02:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:02:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:02:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:02:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:02:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:02:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:02:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:02:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:02:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:02:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:02:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:02:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:02:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:02:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:02:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:02:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:02:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-13 18:02:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-13 18:02:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-13 18:02:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:02:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-13 18:02:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-11-13 18:02:18,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:02:18,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512266744] [2021-11-13 18:02:18,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512266744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:02:18,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:02:18,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:02:18,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608120386] [2021-11-13 18:02:18,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:02:18,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:02:18,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:02:18,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:02:18,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:02:18,171 INFO L87 Difference]: Start difference. First operand has 4386 states, 2922 states have (on average 1.2936344969199178) internal successors, (3780), 3001 states have internal predecessors, (3780), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) 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, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-13 18:02:20,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:02:22,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:02:41,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:02:43,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:02:43,403 INFO L93 Difference]: Finished difference Result 13004 states and 18959 transitions. [2021-11-13 18:02:43,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:02:43,411 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, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 434 [2021-11-13 18:02:43,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:02:43,533 INFO L225 Difference]: With dead ends: 13004 [2021-11-13 18:02:43,533 INFO L226 Difference]: Without dead ends: 8599 [2021-11-13 18:02:43,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:02:43,580 INFO L933 BasicCegarLoop]: 6343 mSDtfsCounter, 7266 mSDsluCounter, 6792 mSDsCounter, 0 mSdLazyCounter, 4333 mSolverCounterSat, 4164 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21179.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8358 SdHoareTripleChecker+Valid, 13135 SdHoareTripleChecker+Invalid, 8500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 189.08ms SdHoareTripleChecker+Time, 4164 IncrementalHoareTripleChecker+Valid, 4333 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23942.58ms IncrementalHoareTripleChecker+Time [2021-11-13 18:02:43,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8358 Valid, 13135 Invalid, 8500 Unknown, 0 Unchecked, 189.08ms Time], IncrementalHoareTripleChecker [4164 Valid, 4333 Invalid, 3 Unknown, 0 Unchecked, 23942.58ms Time] [2021-11-13 18:02:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8599 states. [2021-11-13 18:02:44,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8599 to 8086. [2021-11-13 18:02:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8086 states, 5384 states have (on average 1.2782317979197622) internal successors, (6882), 5532 states have internal predecessors, (6882), 2285 states have call successors, (2285), 416 states have call predecessors, (2285), 416 states have return successors, (2285), 2235 states have call predecessors, (2285), 2285 states have call successors, (2285) [2021-11-13 18:02:44,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8086 states to 8086 states and 11452 transitions. [2021-11-13 18:02:44,421 INFO L78 Accepts]: Start accepts. Automaton has 8086 states and 11452 transitions. Word has length 434 [2021-11-13 18:02:44,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:02:44,429 INFO L470 AbstractCegarLoop]: Abstraction has 8086 states and 11452 transitions. [2021-11-13 18:02:44,430 INFO L471 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, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-13 18:02:44,430 INFO L276 IsEmpty]: Start isEmpty. Operand 8086 states and 11452 transitions. [2021-11-13 18:02:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-13 18:02:44,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:02:44,464 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:02:44,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:02:44,465 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:02:44,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:02:44,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1879815512, now seen corresponding path program 1 times [2021-11-13 18:02:44,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:02:44,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790029249] [2021-11-13 18:02:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:02:44,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:02:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:02:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:02:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:02:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:02:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:02:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:02:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:02:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:02:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:02:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:02:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:02:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:02:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:02:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:02:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:02:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:02:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:02:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:02:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:02:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:02:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:02:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:02:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:02:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:02:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:02:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:02:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:02:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:02:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:02:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:02:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:02:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:02:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:02:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-11-13 18:02:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-13 18:02:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 18:02:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:02:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:02:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-13 18:02:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:02:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-11-13 18:02:46,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:02:46,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790029249] [2021-11-13 18:02:46,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790029249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:02:46,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:02:46,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:02:46,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703257888] [2021-11-13 18:02:46,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:02:46,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:02:46,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:02:46,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:02:46,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:02:46,569 INFO L87 Difference]: Start difference. First operand 8086 states and 11452 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-13 18:02:48,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:02:50,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:03:08,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:03:10,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:03:10,312 INFO L93 Difference]: Finished difference Result 24604 states and 35099 transitions. [2021-11-13 18:03:10,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:03:10,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 435 [2021-11-13 18:03:10,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:03:10,458 INFO L225 Difference]: With dead ends: 24604 [2021-11-13 18:03:10,458 INFO L226 Difference]: Without dead ends: 16587 [2021-11-13 18:03:10,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:03:10,507 INFO L933 BasicCegarLoop]: 7579 mSDtfsCounter, 6667 mSDsluCounter, 6976 mSDsCounter, 0 mSdLazyCounter, 4379 mSolverCounterSat, 3612 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19929.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7786 SdHoareTripleChecker+Valid, 14555 SdHoareTripleChecker+Invalid, 7994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 148.58ms SdHoareTripleChecker+Time, 3612 IncrementalHoareTripleChecker+Valid, 4379 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22516.76ms IncrementalHoareTripleChecker+Time [2021-11-13 18:03:10,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7786 Valid, 14555 Invalid, 7994 Unknown, 0 Unchecked, 148.58ms Time], IncrementalHoareTripleChecker [3612 Valid, 4379 Invalid, 3 Unknown, 0 Unchecked, 22516.76ms Time] [2021-11-13 18:03:10,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16587 states. [2021-11-13 18:03:11,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16587 to 15624. [2021-11-13 18:03:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15624 states, 10385 states have (on average 1.2765527202696196) internal successors, (13257), 10673 states have internal predecessors, (13257), 4420 states have call successors, (4420), 818 states have call predecessors, (4420), 818 states have return successors, (4420), 4324 states have call predecessors, (4420), 4420 states have call successors, (4420) [2021-11-13 18:03:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15624 states to 15624 states and 22097 transitions. [2021-11-13 18:03:11,833 INFO L78 Accepts]: Start accepts. Automaton has 15624 states and 22097 transitions. Word has length 435 [2021-11-13 18:03:11,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:03:11,836 INFO L470 AbstractCegarLoop]: Abstraction has 15624 states and 22097 transitions. [2021-11-13 18:03:11,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-13 18:03:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 15624 states and 22097 transitions. [2021-11-13 18:03:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-11-13 18:03:11,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:03:11,880 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:03:11,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:03:11,880 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:03:11,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:03:11,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1488408920, now seen corresponding path program 1 times [2021-11-13 18:03:11,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:03:11,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796895652] [2021-11-13 18:03:11,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:03:11,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:03:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:03:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:03:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:03:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:03:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:03:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:03:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:03:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:03:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:03:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:03:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:03:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:03:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:03:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:03:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:03:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:03:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:03:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:03:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:03:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:03:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:03:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:03:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:03:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:03:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:03:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:03:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:03:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:03:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:03:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:03:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:03:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:03:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:03:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-13 18:03:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:03:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:03:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-13 18:03:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-13 18:03:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-13 18:03:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:03:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-13 18:03:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2021-11-13 18:03:13,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:03:13,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796895652] [2021-11-13 18:03:13,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796895652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:03:13,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:03:13,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:03:13,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804771105] [2021-11-13 18:03:13,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:03:13,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:03:13,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:03:13,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:03:13,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:03:13,768 INFO L87 Difference]: Start difference. First operand 15624 states and 22097 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 18:03:15,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:03:18,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:03:32,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:03:32,411 INFO L93 Difference]: Finished difference Result 47972 states and 68210 transitions. [2021-11-13 18:03:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:03:32,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 462 [2021-11-13 18:03:32,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:03:32,976 INFO L225 Difference]: With dead ends: 47972 [2021-11-13 18:03:32,977 INFO L226 Difference]: Without dead ends: 32417 [2021-11-13 18:03:33,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:03:33,078 INFO L933 BasicCegarLoop]: 7857 mSDtfsCounter, 6848 mSDsluCounter, 7232 mSDsCounter, 0 mSdLazyCounter, 4328 mSolverCounterSat, 3596 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15303.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7989 SdHoareTripleChecker+Valid, 15089 SdHoareTripleChecker+Invalid, 7926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 89.84ms SdHoareTripleChecker+Time, 3596 IncrementalHoareTripleChecker+Valid, 4328 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17391.71ms IncrementalHoareTripleChecker+Time [2021-11-13 18:03:33,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7989 Valid, 15089 Invalid, 7926 Unknown, 0 Unchecked, 89.84ms Time], IncrementalHoareTripleChecker [3596 Valid, 4328 Invalid, 2 Unknown, 0 Unchecked, 17391.71ms Time] [2021-11-13 18:03:33,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32417 states. [2021-11-13 18:03:35,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32417 to 30560. [2021-11-13 18:03:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30560 states, 20374 states have (on average 1.2755963482870325) internal successors, (25989), 20939 states have internal predecessors, (25989), 8571 states have call successors, (8571), 1614 states have call predecessors, (8571), 1614 states have return successors, (8571), 8379 states have call predecessors, (8571), 8571 states have call successors, (8571) [2021-11-13 18:03:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30560 states to 30560 states and 43131 transitions. [2021-11-13 18:03:35,540 INFO L78 Accepts]: Start accepts. Automaton has 30560 states and 43131 transitions. Word has length 462 [2021-11-13 18:03:35,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:03:35,541 INFO L470 AbstractCegarLoop]: Abstraction has 30560 states and 43131 transitions. [2021-11-13 18:03:35,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 18:03:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand 30560 states and 43131 transitions. [2021-11-13 18:03:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-11-13 18:03:35,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:03:35,594 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 32, 32, 32, 32, 32, 32, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:03:35,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:03:35,595 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:03:35,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:03:35,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2034545150, now seen corresponding path program 1 times [2021-11-13 18:03:35,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:03:35,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703727803] [2021-11-13 18:03:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:03:35,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:03:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:03:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:03:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:03:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:03:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:03:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:03:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:03:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:03:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:03:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:03:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:03:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:03:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:03:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:03:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:03:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:03:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:03:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:03:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:03:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:03:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:03:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:03:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:03:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:03:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:03:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:03:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:03:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:03:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:03:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:03:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:03:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:03:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:03:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-13 18:03:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-13 18:03:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-13 18:03:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:03:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:03:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-13 18:03:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-13 18:03:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-13 18:03:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:03:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-13 18:03:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4674 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4671 trivial. 0 not checked. [2021-11-13 18:03:37,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:03:37,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703727803] [2021-11-13 18:03:37,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703727803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:03:37,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:03:37,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:03:37,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752122774] [2021-11-13 18:03:37,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:03:37,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:03:37,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:03:37,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:03:37,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:03:37,576 INFO L87 Difference]: Start difference. First operand 30560 states and 43131 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-13 18:03:39,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:03:41,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:03:51,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:03:51,967 INFO L93 Difference]: Finished difference Result 66315 states and 93876 transitions. [2021-11-13 18:03:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:03:51,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 484 [2021-11-13 18:03:51,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:03:52,303 INFO L225 Difference]: With dead ends: 66315 [2021-11-13 18:03:52,304 INFO L226 Difference]: Without dead ends: 35824 [2021-11-13 18:03:52,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:03:52,401 INFO L933 BasicCegarLoop]: 6946 mSDtfsCounter, 5596 mSDsluCounter, 6904 mSDsCounter, 0 mSdLazyCounter, 3899 mSolverCounterSat, 2873 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11763.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6558 SdHoareTripleChecker+Valid, 13850 SdHoareTripleChecker+Invalid, 6774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 58.66ms SdHoareTripleChecker+Time, 2873 IncrementalHoareTripleChecker+Valid, 3899 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13286.81ms IncrementalHoareTripleChecker+Time [2021-11-13 18:03:52,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6558 Valid, 13850 Invalid, 6774 Unknown, 0 Unchecked, 58.66ms Time], IncrementalHoareTripleChecker [2873 Valid, 3899 Invalid, 2 Unknown, 0 Unchecked, 13286.81ms Time] [2021-11-13 18:03:52,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35824 states. [2021-11-13 18:03:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35824 to 33833. [2021-11-13 18:03:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33833 states, 22587 states have (on average 1.2736087129764908) internal successors, (28767), 23199 states have internal predecessors, (28767), 9415 states have call successors, (9415), 1830 states have call predecessors, (9415), 1830 states have return successors, (9415), 9207 states have call predecessors, (9415), 9415 states have call successors, (9415) [2021-11-13 18:03:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33833 states to 33833 states and 47597 transitions. [2021-11-13 18:03:54,235 INFO L78 Accepts]: Start accepts. Automaton has 33833 states and 47597 transitions. Word has length 484 [2021-11-13 18:03:54,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:03:54,237 INFO L470 AbstractCegarLoop]: Abstraction has 33833 states and 47597 transitions. [2021-11-13 18:03:54,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-13 18:03:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 33833 states and 47597 transitions. [2021-11-13 18:03:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-11-13 18:03:54,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:03:54,291 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:03:54,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:03:54,292 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:03:54,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:03:54,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1935529085, now seen corresponding path program 1 times [2021-11-13 18:03:54,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:03:54,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030030222] [2021-11-13 18:03:54,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:03:54,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:03:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:03:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:03:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:03:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:03:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:03:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:03:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:03:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:03:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:03:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:03:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:03:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:03:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:03:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:03:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:03:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:03:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:03:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:03:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:03:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:03:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:03:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:03:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:03:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:03:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:03:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:03:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:03:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:03:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:03:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:03:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:03:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:03:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:03:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-13 18:03:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-13 18:03:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-13 18:03:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-13 18:03:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 18:03:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-13 18:03:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-13 18:03:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-13 18:03:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:03:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:03:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-13 18:03:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:03:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4571 trivial. 0 not checked. [2021-11-13 18:03:56,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:03:56,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030030222] [2021-11-13 18:03:56,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030030222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:03:56,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:03:56,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:03:56,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179108363] [2021-11-13 18:03:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:03:56,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:03:56,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:03:56,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:03:56,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:03:56,290 INFO L87 Difference]: Start difference. First operand 33833 states and 47597 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-13 18:03:58,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:04:00,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:04:12,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:04:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:04:14,152 INFO L93 Difference]: Finished difference Result 89566 states and 126391 transitions. [2021-11-13 18:04:14,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:04:14,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 504 [2021-11-13 18:04:14,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:04:14,473 INFO L225 Difference]: With dead ends: 89566 [2021-11-13 18:04:14,474 INFO L226 Difference]: Without dead ends: 55802 [2021-11-13 18:04:14,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:04:14,593 INFO L933 BasicCegarLoop]: 6184 mSDtfsCounter, 6283 mSDsluCounter, 6665 mSDsCounter, 0 mSdLazyCounter, 4150 mSolverCounterSat, 3836 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14366.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7219 SdHoareTripleChecker+Valid, 12849 SdHoareTripleChecker+Invalid, 7989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.89ms SdHoareTripleChecker+Time, 3836 IncrementalHoareTripleChecker+Valid, 4150 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16377.69ms IncrementalHoareTripleChecker+Time [2021-11-13 18:04:14,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7219 Valid, 12849 Invalid, 7989 Unknown, 0 Unchecked, 56.89ms Time], IncrementalHoareTripleChecker [3836 Valid, 4150 Invalid, 3 Unknown, 0 Unchecked, 16377.69ms Time] [2021-11-13 18:04:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55802 states. [2021-11-13 18:04:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55802 to 52789. [2021-11-13 18:04:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52789 states, 34739 states have (on average 1.2642275252597945) internal successors, (43918), 35727 states have internal predecessors, (43918), 14967 states have call successors, (14967), 3054 states have call predecessors, (14967), 3082 states have return successors, (15065), 14644 states have call predecessors, (15065), 14967 states have call successors, (15065) [2021-11-13 18:04:17,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52789 states to 52789 states and 73950 transitions. [2021-11-13 18:04:17,448 INFO L78 Accepts]: Start accepts. Automaton has 52789 states and 73950 transitions. Word has length 504 [2021-11-13 18:04:17,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:04:17,450 INFO L470 AbstractCegarLoop]: Abstraction has 52789 states and 73950 transitions. [2021-11-13 18:04:17,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-13 18:04:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 52789 states and 73950 transitions. [2021-11-13 18:04:17,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-11-13 18:04:17,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:04:17,487 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:04:17,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:04:17,487 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:04:17,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:04:17,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2053084902, now seen corresponding path program 1 times [2021-11-13 18:04:17,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:04:17,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341353005] [2021-11-13 18:04:17,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:04:17,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:04:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:04:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:04:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:04:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:04:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:04:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:04:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:04:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:04:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:04:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:04:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:04:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:04:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:04:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:04:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:04:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:04:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:04:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:04:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:04:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:04:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:04:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:04:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:04:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:04:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:04:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:04:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:04:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:04:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:04:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:04:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:04:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:04:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:04:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 18:04:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-13 18:04:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-13 18:04:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-13 18:04:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-13 18:04:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-13 18:04:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-13 18:04:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-13 18:04:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-13 18:04:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-13 18:04:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-11-13 18:04:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:04:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-13 18:04:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5193 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2021-11-13 18:04:19,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:04:19,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341353005] [2021-11-13 18:04:19,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341353005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:04:19,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:04:19,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:04:19,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042114798] [2021-11-13 18:04:19,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:04:19,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:04:19,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:04:19,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:04:19,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:04:19,574 INFO L87 Difference]: Start difference. First operand 52789 states and 73950 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-13 18:04:21,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:04:23,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:04:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:04:38,983 INFO L93 Difference]: Finished difference Result 132579 states and 186736 transitions. [2021-11-13 18:04:38,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:04:38,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 514 [2021-11-13 18:04:38,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:04:39,544 INFO L225 Difference]: With dead ends: 132579 [2021-11-13 18:04:39,545 INFO L226 Difference]: Without dead ends: 80296 [2021-11-13 18:04:39,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:04:39,973 INFO L933 BasicCegarLoop]: 8089 mSDtfsCounter, 6852 mSDsluCounter, 7873 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 3673 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14639.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7918 SdHoareTripleChecker+Valid, 15962 SdHoareTripleChecker+Invalid, 7946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 85.11ms SdHoareTripleChecker+Time, 3673 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16756.87ms IncrementalHoareTripleChecker+Time [2021-11-13 18:04:39,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7918 Valid, 15962 Invalid, 7946 Unknown, 0 Unchecked, 85.11ms Time], IncrementalHoareTripleChecker [3673 Valid, 4271 Invalid, 2 Unknown, 0 Unchecked, 16756.87ms Time] [2021-11-13 18:04:40,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80296 states. [2021-11-13 18:04:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80296 to 76008. [2021-11-13 18:04:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76008 states, 50030 states have (on average 1.2635418748750749) internal successors, (63215), 51442 states have internal predecessors, (63215), 21514 states have call successors, (21514), 4423 states have call predecessors, (21514), 4463 states have return successors, (21648), 21044 states have call predecessors, (21648), 21514 states have call successors, (21648) [2021-11-13 18:04:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76008 states to 76008 states and 106377 transitions. [2021-11-13 18:04:43,696 INFO L78 Accepts]: Start accepts. Automaton has 76008 states and 106377 transitions. Word has length 514 [2021-11-13 18:04:43,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:04:43,697 INFO L470 AbstractCegarLoop]: Abstraction has 76008 states and 106377 transitions. [2021-11-13 18:04:43,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-13 18:04:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 76008 states and 106377 transitions. [2021-11-13 18:04:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2021-11-13 18:04:43,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:04:43,737 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 33, 33, 33, 33, 33, 33, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:04:43,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:04:43,738 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:04:43,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:04:43,738 INFO L85 PathProgramCache]: Analyzing trace with hash 583539823, now seen corresponding path program 1 times [2021-11-13 18:04:43,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:04:43,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814994398] [2021-11-13 18:04:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:04:43,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:04:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:04:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:04:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:04:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:04:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:04:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:04:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:04:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:04:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:04:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:04:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:04:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:04:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:04:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:04:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:04:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:04:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:04:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:04:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:04:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:04:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:04:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:04:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:04:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:04:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:04:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:04:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:04:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:04:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:04:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:04:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:04:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:04:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:04:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 18:04:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-13 18:04:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-13 18:04:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-13 18:04:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-13 18:04:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-13 18:04:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-13 18:04:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 18:04:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-13 18:04:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-13 18:04:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:04:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:04:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-13 18:04:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-11-13 18:04:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-13 18:04:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:04:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:04:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-13 18:04:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:04:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5354 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5337 trivial. 0 not checked. [2021-11-13 18:04:45,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:04:45,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814994398] [2021-11-13 18:04:45,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814994398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:04:45,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:04:45,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:04:45,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036192682] [2021-11-13 18:04:45,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:04:45,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:04:45,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:04:45,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:04:45,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:04:45,827 INFO L87 Difference]: Start difference. First operand 76008 states and 106377 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-13 18:04:48,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:04:50,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:05:05,862 INFO L93 Difference]: Finished difference Result 233264 states and 328705 transitions. [2021-11-13 18:05:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:05:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 556 [2021-11-13 18:05:05,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:05:06,895 INFO L225 Difference]: With dead ends: 233264 [2021-11-13 18:05:06,895 INFO L226 Difference]: Without dead ends: 157762 [2021-11-13 18:05:07,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:05:07,340 INFO L933 BasicCegarLoop]: 11030 mSDtfsCounter, 6100 mSDsluCounter, 8937 mSDsCounter, 0 mSdLazyCounter, 4345 mSolverCounterSat, 2888 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13812.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7237 SdHoareTripleChecker+Valid, 19967 SdHoareTripleChecker+Invalid, 7235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 73.64ms SdHoareTripleChecker+Time, 2888 IncrementalHoareTripleChecker+Valid, 4345 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15697.45ms IncrementalHoareTripleChecker+Time [2021-11-13 18:05:07,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7237 Valid, 19967 Invalid, 7235 Unknown, 0 Unchecked, 73.64ms Time], IncrementalHoareTripleChecker [2888 Valid, 4345 Invalid, 2 Unknown, 0 Unchecked, 15697.45ms Time] [2021-11-13 18:05:07,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157762 states. [2021-11-13 18:05:13,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157762 to 149252. [2021-11-13 18:05:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149252 states, 98174 states have (on average 1.2646219976775928) internal successors, (124153), 100956 states have internal predecessors, (124153), 42316 states have call successors, (42316), 8681 states have call predecessors, (42316), 8761 states have return successors, (42584), 41416 states have call predecessors, (42584), 42316 states have call successors, (42584) [2021-11-13 18:05:14,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149252 states to 149252 states and 209053 transitions. [2021-11-13 18:05:14,231 INFO L78 Accepts]: Start accepts. Automaton has 149252 states and 209053 transitions. Word has length 556 [2021-11-13 18:05:14,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:05:14,232 INFO L470 AbstractCegarLoop]: Abstraction has 149252 states and 209053 transitions. [2021-11-13 18:05:14,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-13 18:05:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 149252 states and 209053 transitions. [2021-11-13 18:05:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2021-11-13 18:05:14,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:05:14,267 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 33, 33, 33, 33, 33, 33, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:05:14,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:05:14,268 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:05:14,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:05:14,268 INFO L85 PathProgramCache]: Analyzing trace with hash -364512143, now seen corresponding path program 1 times [2021-11-13 18:05:14,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:05:14,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467832811] [2021-11-13 18:05:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:05:14,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:05:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:05:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:05:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:05:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:05:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:05:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:05:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:05:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:05:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:05:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:05:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:05:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:05:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:05:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:05:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:05:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:05:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:05:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 18:05:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:05:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 18:05:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:05:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:05:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:05:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:05:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-13 18:05:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-13 18:05:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-13 18:05:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-13 18:05:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-13 18:05:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-13 18:05:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-13 18:05:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-13 18:05:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-13 18:05:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 18:05:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-13 18:05:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-13 18:05:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-13 18:05:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-13 18:05:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-13 18:05:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-13 18:05:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 18:05:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-13 18:05:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-13 18:05:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:05:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:05:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-13 18:05:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-11-13 18:05:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-13 18:05:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:05:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:05:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-13 18:05:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:05:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5354 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5337 trivial. 0 not checked. [2021-11-13 18:05:16,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:05:16,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467832811] [2021-11-13 18:05:16,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467832811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:05:16,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:05:16,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:05:16,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156544826] [2021-11-13 18:05:16,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:05:16,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:05:16,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:05:16,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:05:16,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:05:16,333 INFO L87 Difference]: Start difference. First operand 149252 states and 209053 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 3 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-13 18:05:18,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:05:20,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []