./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-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:03:35,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:03:35,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:03:35,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:03:35,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:03:35,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:03:35,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:03:35,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:03:35,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:03:35,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:03:35,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:03:35,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:03:35,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:03:35,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:03:35,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:03:35,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:03:35,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:03:35,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:03:35,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:03:35,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:03:35,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:03:35,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:03:35,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:03:35,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:03:35,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:03:35,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:03:35,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:03:35,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:03:35,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:03:35,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:03:35,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:03:35,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:03:35,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:03:35,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:03:35,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:03:35,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:03:35,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:03:35,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:03:35,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:03:35,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:03:35,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:03:35,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:03:36,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:03:36,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:03:36,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:03:36,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:03:36,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:03:36,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:03:36,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:03:36,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:03:36,029 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:03:36,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:03:36,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:03:36,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:03:36,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:03:36,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:03:36,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:03:36,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:03:36,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:03:36,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:03:36,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:03:36,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:03:36,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:03:36,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:03:36,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:03:36,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:03:36,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:03:36,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:03:36,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:03:36,037 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:03:36,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:03:36,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:03:36,038 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_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2022-11-16 12:03:36,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:03:36,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:03:36,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:03:36,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:03:36,468 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:03:36,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-16 12:03:36,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/data/be6249e3a/ce7ad1a4beac4ad188aa6589ce1d32a5/FLAG19a3bdf15 [2022-11-16 12:03:37,793 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:03:37,794 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-16 12:03:37,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/data/be6249e3a/ce7ad1a4beac4ad188aa6589ce1d32a5/FLAG19a3bdf15 [2022-11-16 12:03:38,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/data/be6249e3a/ce7ad1a4beac4ad188aa6589ce1d32a5 [2022-11-16 12:03:38,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:03:38,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:03:38,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:03:38,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:03:38,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:03:38,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:38" (1/1) ... [2022-11-16 12:03:38,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d693a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:38, skipping insertion in model container [2022-11-16 12:03:38,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:38" (1/1) ... [2022-11-16 12:03:38,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:03:38,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:03:42,441 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-11-16 12:03:42,447 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-11-16 12:03:42,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:03:42,509 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:03:43,843 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-11-16 12:03:43,844 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-11-16 12:03:43,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:03:44,249 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:03:44,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44 WrapperNode [2022-11-16 12:03:44,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:03:44,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:03:44,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:03:44,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:03:44,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,555 INFO L138 Inliner]: procedures = 493, calls = 2689, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5170 [2022-11-16 12:03:44,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:03:44,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:03:44,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:03:44,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:03:44,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,843 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:03:44,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:03:44,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:03:44,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:03:44,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (1/1) ... [2022-11-16 12:03:44,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:03:44,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:44,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:03:45,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cc40ed4-7d44-4e9b-9bd2-730f6d5ae806/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:03:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-11-16 12:03:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-11-16 12:03:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-16 12:03:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-16 12:03:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-11-16 12:03:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-11-16 12:03:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:03:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:03:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-11-16 12:03:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-11-16 12:03:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-11-16 12:03:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-11-16 12:03:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 12:03:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 12:03:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-16 12:03:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-16 12:03:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:03:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:03:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-11-16 12:03:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-11-16 12:03:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-11-16 12:03:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-11-16 12:03:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-11-16 12:03:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-11-16 12:03:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-11-16 12:03:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-11-16 12:03:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-11-16 12:03:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-11-16 12:03:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 12:03:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 12:03:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-11-16 12:03:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-11-16 12:03:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-11-16 12:03:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-11-16 12:03:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-11-16 12:03:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-11-16 12:03:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-11-16 12:03:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-11-16 12:03:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-11-16 12:03:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-11-16 12:03:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 12:03:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 12:03:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 12:03:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 12:03:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-11-16 12:03:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-11-16 12:03:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-11-16 12:03:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-11-16 12:03:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:03:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-16 12:03:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-16 12:03:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 12:03:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 12:03:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:03:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 12:03:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 12:03:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-11-16 12:03:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-11-16 12:03:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-11-16 12:03:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-11-16 12:03:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:03:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 12:03:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 12:03:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-11-16 12:03:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-11-16 12:03:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:03:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-16 12:03:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-16 12:03:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-16 12:03:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-16 12:03:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-16 12:03:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-16 12:03:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-11-16 12:03:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-11-16 12:03:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-16 12:03:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-16 12:03:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-16 12:03:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-16 12:03:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 12:03:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 12:03:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-11-16 12:03:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-11-16 12:03:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-11-16 12:03:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-11-16 12:03:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 12:03:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 12:03:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 12:03:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 12:03:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-11-16 12:03:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-11-16 12:03:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-11-16 12:03:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-11-16 12:03:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-16 12:03:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-16 12:03:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-11-16 12:03:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-11-16 12:03:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:03:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-16 12:03:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-16 12:03:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-16 12:03:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-16 12:03:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:03:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 12:03:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 12:03:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 12:03:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 12:03:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-11-16 12:03:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-11-16 12:03:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:03:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-11-16 12:03:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-11-16 12:03:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:03:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:03:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-16 12:03:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-16 12:03:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:03:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:03:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-16 12:03:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-16 12:03:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-16 12:03:45,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-16 12:03:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-11-16 12:03:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-11-16 12:03:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-16 12:03:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-16 12:03:45,197 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-11-16 12:03:45,202 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-11-16 12:03:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 12:03:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 12:03:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-16 12:03:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-16 12:03:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-11-16 12:03:45,203 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-11-16 12:03:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-11-16 12:03:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-11-16 12:03:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-11-16 12:03:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-11-16 12:03:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-11-16 12:03:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-11-16 12:03:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-16 12:03:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-16 12:03:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:03:45,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:03:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-11-16 12:03:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-11-16 12:03:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:03:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:03:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:03:45,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:03:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-11-16 12:03:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-11-16 12:03:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-16 12:03:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-16 12:03:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-11-16 12:03:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-11-16 12:03:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-11-16 12:03:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-11-16 12:03:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-11-16 12:03:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-11-16 12:03:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:03:45,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:03:45,208 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-11-16 12:03:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-11-16 12:03:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-11-16 12:03:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-11-16 12:03:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 12:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 12:03:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-11-16 12:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-11-16 12:03:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-11-16 12:03:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-11-16 12:03:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-11-16 12:03:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-11-16 12:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 12:03:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 12:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:03:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-11-16 12:03:45,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-11-16 12:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-11-16 12:03:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-11-16 12:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:03:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 12:03:45,216 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 12:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-11-16 12:03:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-11-16 12:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 12:03:45,217 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 12:03:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-11-16 12:03:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-11-16 12:03:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-11-16 12:03:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-11-16 12:03:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 12:03:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 12:03:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-11-16 12:03:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-11-16 12:03:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-11-16 12:03:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-11-16 12:03:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 12:03:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 12:03:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-16 12:03:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-16 12:03:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-11-16 12:03:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-11-16 12:03:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-11-16 12:03:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-11-16 12:03:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 12:03:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 12:03:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 12:03:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 12:03:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 12:03:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 12:03:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-11-16 12:03:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-11-16 12:03:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-11-16 12:03:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-11-16 12:03:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:03:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:03:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-11-16 12:03:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-11-16 12:03:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:03:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-16 12:03:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-16 12:03:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:03:45,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:03:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-11-16 12:03:45,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-11-16 12:03:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-11-16 12:03:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-11-16 12:03:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-11-16 12:03:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-11-16 12:03:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-11-16 12:03:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-11-16 12:03:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 12:03:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 12:03:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-11-16 12:03:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-11-16 12:03:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-11-16 12:03:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-11-16 12:03:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 12:03:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 12:03:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-11-16 12:03:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-11-16 12:03:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-11-16 12:03:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-11-16 12:03:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-16 12:03:45,228 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-16 12:03:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:03:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:03:45,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:03:45,228 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-16 12:03:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-16 12:03:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 12:03:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 12:03:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-16 12:03:45,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-16 12:03:46,465 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:03:46,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:03:47,082 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:03:49,297 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1246#1.base, #t~mem1246#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-11-16 12:03:49,298 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1246#1.base, #t~mem1246#1.offset, 129, 0); srcloc: null [2022-11-16 12:03:49,298 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1246#1.base, #t~mem1246#1.offset; [2022-11-16 12:03:54,948 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-16 12:03:55,197 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:03:55,219 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:03:55,219 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:03:55,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:55 BoogieIcfgContainer [2022-11-16 12:03:55,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:03:55,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:03:55,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:03:55,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:03:55,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:03:38" (1/3) ... [2022-11-16 12:03:55,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf174e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:55, skipping insertion in model container [2022-11-16 12:03:55,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:44" (2/3) ... [2022-11-16 12:03:55,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf174e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:03:55, skipping insertion in model container [2022-11-16 12:03:55,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:55" (3/3) ... [2022-11-16 12:03:55,241 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-16 12:03:55,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:03:55,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:03:55,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:03:55,427 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60d0a855, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:03:55,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:03:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 2558 states, 1661 states have (on average 1.3010234798314269) internal successors, (2161), 1729 states have internal predecessors, (2161), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) [2022-11-16 12:03:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-16 12:03:55,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:55,524 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:55,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:55,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:55,534 INFO L85 PathProgramCache]: Analyzing trace with hash 942678583, now seen corresponding path program 1 times [2022-11-16 12:03:55,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:55,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152359919] [2022-11-16 12:03:55,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:55,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:03:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:03:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:03:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:03:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:03:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:03:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:03:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:03:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:03:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:03:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:03:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:03:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:03:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:03:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:03:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:03:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 12:03:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-16 12:03:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-16 12:03:57,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:57,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152359919] [2022-11-16 12:03:57,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152359919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:57,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:57,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:03:57,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183451585] [2022-11-16 12:03:57,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:57,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:03:57,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:57,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:03:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:57,488 INFO L87 Difference]: Start difference. First operand has 2558 states, 1661 states have (on average 1.3010234798314269) internal successors, (2161), 1729 states have internal predecessors, (2161), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-16 12:04:11,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:11,668 INFO L93 Difference]: Finished difference Result 7532 states and 11049 transitions. [2022-11-16 12:04:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:04:11,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 215 [2022-11-16 12:04:11,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:11,736 INFO L225 Difference]: With dead ends: 7532 [2022-11-16 12:04:11,736 INFO L226 Difference]: Without dead ends: 4941 [2022-11-16 12:04:11,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:04:11,763 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 4605 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 2318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5301 SdHoareTripleChecker+Valid, 5429 SdHoareTripleChecker+Invalid, 7162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2318 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:11,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5301 Valid, 5429 Invalid, 7162 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2318 Valid, 4844 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-11-16 12:04:11,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4941 states. [2022-11-16 12:04:12,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4941 to 4761. [2022-11-16 12:04:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4761 states, 3120 states have (on average 1.3009615384615385) internal successors, (4059), 3251 states have internal predecessors, (4059), 1413 states have call successors, (1413), 227 states have call predecessors, (1413), 227 states have return successors, (1413), 1327 states have call predecessors, (1413), 1413 states have call successors, (1413) [2022-11-16 12:04:12,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4761 states to 4761 states and 6885 transitions. [2022-11-16 12:04:12,252 INFO L78 Accepts]: Start accepts. Automaton has 4761 states and 6885 transitions. Word has length 215 [2022-11-16 12:04:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:12,254 INFO L495 AbstractCegarLoop]: Abstraction has 4761 states and 6885 transitions. [2022-11-16 12:04:12,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-16 12:04:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4761 states and 6885 transitions. [2022-11-16 12:04:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-16 12:04:12,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:12,285 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:04:12,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:04:12,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:12,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:12,287 INFO L85 PathProgramCache]: Analyzing trace with hash -480252219, now seen corresponding path program 1 times [2022-11-16 12:04:12,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:12,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634041977] [2022-11-16 12:04:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:12,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:04:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:04:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:04:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:04:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:04:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:04:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:04:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:04:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:04:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:04:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:04:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:04:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:04:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:04:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:04:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:04:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-16 12:04:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-16 12:04:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 12:04:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-16 12:04:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:04:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:04:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-16 12:04:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:04:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:04:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-16 12:04:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2022-11-16 12:04:13,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:13,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634041977] [2022-11-16 12:04:13,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634041977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:13,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:13,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:04:13,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410195793] [2022-11-16 12:04:13,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:13,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:04:13,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:13,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:04:13,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:04:13,280 INFO L87 Difference]: Start difference. First operand 4761 states and 6885 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-16 12:04:24,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:24,903 INFO L93 Difference]: Finished difference Result 13752 states and 19924 transitions. [2022-11-16 12:04:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:04:24,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 278 [2022-11-16 12:04:24,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:24,981 INFO L225 Difference]: With dead ends: 13752 [2022-11-16 12:04:24,981 INFO L226 Difference]: Without dead ends: 9026 [2022-11-16 12:04:25,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:04:25,022 INFO L413 NwaCegarLoop]: 2419 mSDtfsCounter, 4405 mSDsluCounter, 2916 mSDsCounter, 0 mSdLazyCounter, 4579 mSolverCounterSat, 2160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4996 SdHoareTripleChecker+Valid, 5335 SdHoareTripleChecker+Invalid, 6739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2160 IncrementalHoareTripleChecker+Valid, 4579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:25,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4996 Valid, 5335 Invalid, 6739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2160 Valid, 4579 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-11-16 12:04:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9026 states. [2022-11-16 12:04:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9026 to 8837. [2022-11-16 12:04:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8837 states, 5810 states have (on average 1.297934595524957) internal successors, (7541), 6062 states have internal predecessors, (7541), 2572 states have call successors, (2572), 436 states have call predecessors, (2572), 454 states have return successors, (2658), 2411 states have call predecessors, (2658), 2572 states have call successors, (2658) [2022-11-16 12:04:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8837 states to 8837 states and 12771 transitions. [2022-11-16 12:04:25,637 INFO L78 Accepts]: Start accepts. Automaton has 8837 states and 12771 transitions. Word has length 278 [2022-11-16 12:04:25,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:25,638 INFO L495 AbstractCegarLoop]: Abstraction has 8837 states and 12771 transitions. [2022-11-16 12:04:25,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-16 12:04:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8837 states and 12771 transitions. [2022-11-16 12:04:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-16 12:04:25,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:25,662 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 5, 5, 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] [2022-11-16 12:04:25,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:04:25,662 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1740238795, now seen corresponding path program 1 times [2022-11-16 12:04:25,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:25,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388575474] [2022-11-16 12:04:25,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:25,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:04:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:04:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:04:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:04:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:04:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:04:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:04:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:04:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:04:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:04:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:04:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:04:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:04:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:04:26,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:04:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:04:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-16 12:04:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 12:04:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 12:04:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 12:04:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 12:04:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:04:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 12:04:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-16 12:04:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 12:04:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-16 12:04:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-16 12:04:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-16 12:04:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:04:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-16 12:04:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-16 12:04:26,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:26,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388575474] [2022-11-16 12:04:26,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388575474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:26,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:26,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:04:26,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425060877] [2022-11-16 12:04:26,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:26,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:04:26,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:26,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:04:26,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:04:26,702 INFO L87 Difference]: Start difference. First operand 8837 states and 12771 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2022-11-16 12:04:36,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:04:48,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:48,466 INFO L93 Difference]: Finished difference Result 27627 states and 41054 transitions. [2022-11-16 12:04:48,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:04:48,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 295 [2022-11-16 12:04:48,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:48,637 INFO L225 Difference]: With dead ends: 27627 [2022-11-16 12:04:48,637 INFO L226 Difference]: Without dead ends: 18825 [2022-11-16 12:04:48,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:04:48,720 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 7961 mSDsluCounter, 4829 mSDsCounter, 0 mSdLazyCounter, 8530 mSolverCounterSat, 7794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8369 SdHoareTripleChecker+Valid, 7180 SdHoareTripleChecker+Invalid, 16324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7794 IncrementalHoareTripleChecker+Valid, 8530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:48,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8369 Valid, 7180 Invalid, 16324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7794 Valid, 8530 Invalid, 0 Unknown, 0 Unchecked, 20.2s Time] [2022-11-16 12:04:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18825 states. [2022-11-16 12:04:49,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18825 to 16841. [2022-11-16 12:04:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16841 states, 10991 states have (on average 1.2935128741697752) internal successors, (14217), 11491 states have internal predecessors, (14217), 4957 states have call successors, (4957), 852 states have call predecessors, (4957), 892 states have return successors, (5168), 4627 states have call predecessors, (5168), 4957 states have call successors, (5168) [2022-11-16 12:04:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16841 states to 16841 states and 24342 transitions. [2022-11-16 12:04:50,116 INFO L78 Accepts]: Start accepts. Automaton has 16841 states and 24342 transitions. Word has length 295 [2022-11-16 12:04:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:50,117 INFO L495 AbstractCegarLoop]: Abstraction has 16841 states and 24342 transitions. [2022-11-16 12:04:50,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2022-11-16 12:04:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 16841 states and 24342 transitions. [2022-11-16 12:04:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-16 12:04:50,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:50,142 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 5, 5, 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] [2022-11-16 12:04:50,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:04:50,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1881083893, now seen corresponding path program 1 times [2022-11-16 12:04:50,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:50,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348476057] [2022-11-16 12:04:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:50,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:04:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:04:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:04:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:04:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:04:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:04:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:04:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:04:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:04:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:04:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:04:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:04:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:04:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:04:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:04:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:04:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-16 12:04:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-16 12:04:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 12:04:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-16 12:04:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-16 12:04:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:04:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-16 12:04:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-16 12:04:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-16 12:04:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2022-11-16 12:04:50,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:50,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348476057] [2022-11-16 12:04:50,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348476057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:50,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:50,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:04:50,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891090921] [2022-11-16 12:04:50,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:50,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:04:50,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:50,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:04:50,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:04:50,910 INFO L87 Difference]: Start difference. First operand 16841 states and 24342 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-16 12:05:01,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:01,394 INFO L93 Difference]: Finished difference Result 42083 states and 60952 transitions. [2022-11-16 12:05:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:05:01,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 281 [2022-11-16 12:05:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:01,548 INFO L225 Difference]: With dead ends: 42083 [2022-11-16 12:05:01,548 INFO L226 Difference]: Without dead ends: 25277 [2022-11-16 12:05:01,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:05:01,633 INFO L413 NwaCegarLoop]: 3882 mSDtfsCounter, 3621 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 5852 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4295 SdHoareTripleChecker+Valid, 7738 SdHoareTripleChecker+Invalid, 7420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 5852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:01,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4295 Valid, 7738 Invalid, 7420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1568 Valid, 5852 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-16 12:05:01,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25277 states. [2022-11-16 12:05:03,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25277 to 24767. [2022-11-16 12:05:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24767 states, 16161 states have (on average 1.2942887197574406) internal successors, (20917), 16905 states have internal predecessors, (20917), 7289 states have call successors, (7289), 1256 states have call predecessors, (7289), 1316 states have return successors, (7585), 6795 states have call predecessors, (7585), 7289 states have call successors, (7585) [2022-11-16 12:05:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24767 states to 24767 states and 35791 transitions. [2022-11-16 12:05:03,746 INFO L78 Accepts]: Start accepts. Automaton has 24767 states and 35791 transitions. Word has length 281 [2022-11-16 12:05:03,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:03,747 INFO L495 AbstractCegarLoop]: Abstraction has 24767 states and 35791 transitions. [2022-11-16 12:05:03,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-16 12:05:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24767 states and 35791 transitions. [2022-11-16 12:05:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-16 12:05:03,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:03,779 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 12, 12, 3, 3, 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] [2022-11-16 12:05:03,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:05:03,780 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:03,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:03,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2041352224, now seen corresponding path program 1 times [2022-11-16 12:05:03,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:03,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136568221] [2022-11-16 12:05:03,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:03,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:05:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:05:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:05:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:05:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:05:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:05:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:05:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:05:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:05:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:05:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:05:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:05:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:05:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:05:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:05:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:05:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-16 12:05:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 12:05:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 12:05:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 12:05:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-16 12:05:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:05:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-16 12:05:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-16 12:05:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-16 12:05:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-16 12:05:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:05:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:05:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:05:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:05:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:05:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:05:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:05:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 12:05:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:05:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 12:05:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:05:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-16 12:05:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-16 12:05:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-16 12:05:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-16 12:05:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-16 12:05:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2022-11-16 12:05:05,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:05,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136568221] [2022-11-16 12:05:05,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136568221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:05,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:05,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:05:05,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948174049] [2022-11-16 12:05:05,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:05,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:05:05,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:05,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:05:05,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:05:05,266 INFO L87 Difference]: Start difference. First operand 24767 states and 35791 transitions. Second operand has 9 states, 8 states have (on average 18.625) internal successors, (149), 4 states have internal predecessors, (149), 4 states have call successors, (51), 7 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2022-11-16 12:05:21,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:05:36,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:36,089 INFO L93 Difference]: Finished difference Result 79053 states and 118722 transitions. [2022-11-16 12:05:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 12:05:36,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.625) internal successors, (149), 4 states have internal predecessors, (149), 4 states have call successors, (51), 7 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) Word has length 397 [2022-11-16 12:05:36,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:36,484 INFO L225 Difference]: With dead ends: 79053 [2022-11-16 12:05:36,484 INFO L226 Difference]: Without dead ends: 54321 [2022-11-16 12:05:36,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2022-11-16 12:05:36,659 INFO L413 NwaCegarLoop]: 2234 mSDtfsCounter, 8024 mSDsluCounter, 6728 mSDsCounter, 0 mSdLazyCounter, 12517 mSolverCounterSat, 7440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8577 SdHoareTripleChecker+Valid, 8962 SdHoareTripleChecker+Invalid, 19957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7440 IncrementalHoareTripleChecker+Valid, 12517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:36,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8577 Valid, 8962 Invalid, 19957 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7440 Valid, 12517 Invalid, 0 Unknown, 0 Unchecked, 25.7s Time] [2022-11-16 12:05:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54321 states. [2022-11-16 12:05:40,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54321 to 48142. [2022-11-16 12:05:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48142 states, 31381 states have (on average 1.2942544851980498) internal successors, (40615), 32862 states have internal predecessors, (40615), 14167 states have call successors, (14167), 2476 states have call predecessors, (14167), 2593 states have return successors, (14724), 13171 states have call predecessors, (14724), 14167 states have call successors, (14724) [2022-11-16 12:05:41,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48142 states to 48142 states and 69506 transitions. [2022-11-16 12:05:41,297 INFO L78 Accepts]: Start accepts. Automaton has 48142 states and 69506 transitions. Word has length 397 [2022-11-16 12:05:41,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:05:41,298 INFO L495 AbstractCegarLoop]: Abstraction has 48142 states and 69506 transitions. [2022-11-16 12:05:41,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.625) internal successors, (149), 4 states have internal predecessors, (149), 4 states have call successors, (51), 7 states have call predecessors, (51), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2022-11-16 12:05:41,299 INFO L276 IsEmpty]: Start isEmpty. Operand 48142 states and 69506 transitions. [2022-11-16 12:05:41,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-11-16 12:05:41,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:05:41,351 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:41,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:05:41,351 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:05:41,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:05:41,352 INFO L85 PathProgramCache]: Analyzing trace with hash -480543169, now seen corresponding path program 1 times [2022-11-16 12:05:41,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:05:41,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081304266] [2022-11-16 12:05:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:05:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:05:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:05:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:05:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:05:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:05:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:05:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:05:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:05:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:05:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:05:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:05:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:05:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:05:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:05:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:05:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:05:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:05:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-16 12:05:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-16 12:05:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 12:05:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-16 12:05:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-16 12:05:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:05:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-16 12:05:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-16 12:05:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:05:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:05:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-16 12:05:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:05:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:05:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:05:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-16 12:05:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-16 12:05:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-16 12:05:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-16 12:05:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:05:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-11-16 12:05:42,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:05:42,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081304266] [2022-11-16 12:05:42,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081304266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:05:42,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:05:42,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:05:42,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826470836] [2022-11-16 12:05:42,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:05:42,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:05:42,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:05:42,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:05:42,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:05:42,620 INFO L87 Difference]: Start difference. First operand 48142 states and 69506 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-16 12:05:58,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:05:58,433 INFO L93 Difference]: Finished difference Result 112974 states and 163345 transitions. [2022-11-16 12:05:58,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:05:58,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 355 [2022-11-16 12:05:58,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:05:59,197 INFO L225 Difference]: With dead ends: 112974 [2022-11-16 12:05:59,198 INFO L226 Difference]: Without dead ends: 64867 [2022-11-16 12:05:59,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:05:59,449 INFO L413 NwaCegarLoop]: 3873 mSDtfsCounter, 3618 mSDsluCounter, 3856 mSDsCounter, 0 mSdLazyCounter, 5846 mSolverCounterSat, 1564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4293 SdHoareTripleChecker+Valid, 7729 SdHoareTripleChecker+Invalid, 7410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1564 IncrementalHoareTripleChecker+Valid, 5846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:05:59,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4293 Valid, 7729 Invalid, 7410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1564 Valid, 5846 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-11-16 12:05:59,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64867 states. [2022-11-16 12:06:04,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64867 to 63509. [2022-11-16 12:06:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63509 states, 41387 states have (on average 1.2947302292990552) internal successors, (53585), 43353 states have internal predecessors, (53585), 18689 states have call successors, (18689), 3274 states have call predecessors, (18689), 3432 states have return successors, (19401), 17365 states have call predecessors, (19401), 18689 states have call successors, (19401) [2022-11-16 12:06:05,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63509 states to 63509 states and 91675 transitions. [2022-11-16 12:06:05,807 INFO L78 Accepts]: Start accepts. Automaton has 63509 states and 91675 transitions. Word has length 355 [2022-11-16 12:06:05,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:06:05,808 INFO L495 AbstractCegarLoop]: Abstraction has 63509 states and 91675 transitions. [2022-11-16 12:06:05,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-16 12:06:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 63509 states and 91675 transitions. [2022-11-16 12:06:05,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-11-16 12:06:05,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:06:05,857 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:06:05,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:06:05,858 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:06:05,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:06:05,858 INFO L85 PathProgramCache]: Analyzing trace with hash -833631551, now seen corresponding path program 1 times [2022-11-16 12:06:05,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:06:05,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944126414] [2022-11-16 12:06:05,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:06:05,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:06:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:06:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:06:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:06:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:06:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:06:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:06:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:06:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:06:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:06:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:06:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:06:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:06:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:06:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:06:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:06:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:06:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-16 12:06:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-16 12:06:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 12:06:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-16 12:06:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-16 12:06:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:06:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-16 12:06:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-16 12:06:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:06:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-16 12:06:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:06:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-16 12:06:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-16 12:06:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-16 12:06:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-16 12:06:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2022-11-16 12:06:07,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:06:07,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944126414] [2022-11-16 12:06:07,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944126414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:06:07,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:06:07,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:06:07,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564899863] [2022-11-16 12:06:07,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:06:07,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:06:07,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:06:07,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:06:07,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:06:07,190 INFO L87 Difference]: Start difference. First operand 63509 states and 91675 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:06:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:06:19,171 INFO L93 Difference]: Finished difference Result 128331 states and 186678 transitions. [2022-11-16 12:06:19,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:06:19,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 355 [2022-11-16 12:06:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:06:19,954 INFO L225 Difference]: With dead ends: 128331 [2022-11-16 12:06:19,954 INFO L226 Difference]: Without dead ends: 64857 [2022-11-16 12:06:20,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:06:20,382 INFO L413 NwaCegarLoop]: 2117 mSDtfsCounter, 3555 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 1852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3918 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 6259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1852 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:06:20,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3918 Valid, 4548 Invalid, 6259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1852 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-16 12:06:20,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64857 states. [2022-11-16 12:06:25,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64857 to 63509. [2022-11-16 12:06:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63509 states, 41387 states have (on average 1.2939570396501316) internal successors, (53553), 43353 states have internal predecessors, (53553), 18689 states have call successors, (18689), 3274 states have call predecessors, (18689), 3432 states have return successors, (19401), 17365 states have call predecessors, (19401), 18689 states have call successors, (19401) [2022-11-16 12:06:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63509 states to 63509 states and 91643 transitions. [2022-11-16 12:06:26,167 INFO L78 Accepts]: Start accepts. Automaton has 63509 states and 91643 transitions. Word has length 355 [2022-11-16 12:06:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:06:26,167 INFO L495 AbstractCegarLoop]: Abstraction has 63509 states and 91643 transitions. [2022-11-16 12:06:26,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 12:06:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 63509 states and 91643 transitions. [2022-11-16 12:06:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-16 12:06:26,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:06:26,199 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:06:26,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:06:26,200 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:06:26,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:06:26,200 INFO L85 PathProgramCache]: Analyzing trace with hash 763723504, now seen corresponding path program 1 times [2022-11-16 12:06:26,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:06:26,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964627491] [2022-11-16 12:06:26,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:06:26,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:06:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:06:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:06:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:06:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 12:06:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:06:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:06:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 12:06:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 12:06:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:06:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:06:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:06:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:06:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 12:06:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 12:06:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 12:06:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 12:06:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-16 12:06:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-16 12:06:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-16 12:06:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-16 12:06:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-16 12:06:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-16 12:06:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-16 12:06:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-16 12:06:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:06:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-16 12:06:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:06:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:06:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:06:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-16 12:06:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-16 12:06:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-16 12:06:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-16 12:06:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:06:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2022-11-16 12:06:27,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:06:27,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964627491] [2022-11-16 12:06:27,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964627491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:06:27,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:06:27,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:06:27,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912320463] [2022-11-16 12:06:27,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:06:27,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:06:27,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:06:27,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:06:27,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:06:27,430 INFO L87 Difference]: Start difference. First operand 63509 states and 91643 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32)