./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4bcb37c4379f8eccb740fb6c6359bb8950e56f103e832e8f7687e811a6b9e6cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:45:37,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:45:37,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:45:37,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:45:37,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:45:37,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:45:37,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:45:37,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:45:37,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:45:37,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:45:37,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:45:37,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:45:37,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:45:37,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:45:37,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:45:37,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:45:37,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:45:37,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:45:37,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:45:37,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:45:37,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:45:37,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:45:37,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:45:37,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:45:37,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:45:37,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:45:37,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:45:37,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:45:37,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:45:37,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:45:37,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:45:37,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:45:37,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:45:37,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:45:37,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:45:37,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:45:37,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:45:37,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:45:37,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:45:37,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:45:37,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:45:37,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:45:37,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:45:37,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:45:37,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:45:37,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:45:37,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:45:37,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:45:37,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:45:37,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:45:37,940 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:45:37,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:45:37,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:45:37,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:45:37,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:45:37,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:45:37,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:45:37,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:45:37,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:45:37,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:45:37,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:45:37,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:45:37,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:45:37,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:45:37,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:45:37,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:45:37,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:45:37,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:45:37,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:45:37,946 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:45:37,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:45:37,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:45:37,947 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_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bcb37c4379f8eccb740fb6c6359bb8950e56f103e832e8f7687e811a6b9e6cf [2022-11-18 20:45:38,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:45:38,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:45:38,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:45:38,317 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:45:38,318 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:45:38,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-11-18 20:45:38,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/data/7516af577/56f63220972b4d7091686a053b1c205c/FLAG6f7039e12 [2022-11-18 20:45:39,463 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:45:39,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-11-18 20:45:39,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/data/7516af577/56f63220972b4d7091686a053b1c205c/FLAG6f7039e12 [2022-11-18 20:45:39,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/data/7516af577/56f63220972b4d7091686a053b1c205c [2022-11-18 20:45:39,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:45:39,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:45:39,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:45:39,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:45:39,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:45:39,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:39" (1/1) ... [2022-11-18 20:45:39,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70549b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:39, skipping insertion in model container [2022-11-18 20:45:39,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:39" (1/1) ... [2022-11-18 20:45:39,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:45:40,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:45:43,690 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345848,345861] [2022-11-18 20:45:43,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345993,346006] [2022-11-18 20:45:43,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:45:43,798 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:45:44,266 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345848,345861] [2022-11-18 20:45:44,267 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i[345993,346006] [2022-11-18 20:45:44,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:45:44,454 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:45:44,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44 WrapperNode [2022-11-18 20:45:44,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:45:44,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:45:44,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:45:44,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:45:44,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:44,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:44,879 INFO L138 Inliner]: procedures = 442, calls = 2346, calls flagged for inlining = 211, calls inlined = 196, statements flattened = 5411 [2022-11-18 20:45:44,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:45:44,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:45:44,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:45:44,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:45:44,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:44,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:44,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:44,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:45,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:45,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:45,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:45,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:45,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:45:45,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:45:45,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:45:45,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:45:45,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (1/1) ... [2022-11-18 20:45:45,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:45:45,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:45,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:45,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591a58f6-27ba-432f-8abf-28e6b99ab50a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:45:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-11-18 20:45:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-11-18 20:45:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 20:45:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 20:45:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:45:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:45:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 20:45:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 20:45:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-11-18 20:45:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-11-18 20:45:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-11-18 20:45:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-11-18 20:45:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:45:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:45:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-11-18 20:45:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-11-18 20:45:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:45:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:45:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-11-18 20:45:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2022-11-18 20:45:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-11-18 20:45:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-11-18 20:45:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-11-18 20:45:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-11-18 20:45:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:45:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:45:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 20:45:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 20:45:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:45:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:45:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:45:45,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:45:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:45:45,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:45:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:45:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:45:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:45:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-11-18 20:45:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-11-18 20:45:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2022-11-18 20:45:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2022-11-18 20:45:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:45:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:45:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-11-18 20:45:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-11-18 20:45:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-18 20:45:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-18 20:45:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2022-11-18 20:45:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2022-11-18 20:45:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2022-11-18 20:45:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2022-11-18 20:45:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-11-18 20:45:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-11-18 20:45:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 20:45:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 20:45:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:45:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:45:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:45:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 20:45:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 20:45:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-18 20:45:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-18 20:45:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 20:45:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 20:45:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:45:45,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:45:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-11-18 20:45:45,358 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-11-18 20:45:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-11-18 20:45:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-11-18 20:45:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:45:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:45:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:45:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:45:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-11-18 20:45:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-11-18 20:45:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-11-18 20:45:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-11-18 20:45:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-11-18 20:45:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-11-18 20:45:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:45:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-18 20:45:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-18 20:45:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-11-18 20:45:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-11-18 20:45:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-18 20:45:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-18 20:45:45,363 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-11-18 20:45:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-11-18 20:45:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:45:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 20:45:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 20:45:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:45:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:45:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:45:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:45:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:45:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:45:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-11-18 20:45:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-11-18 20:45:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-18 20:45:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-18 20:45:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-18 20:45:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-18 20:45:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-18 20:45:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-18 20:45:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:45:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:45:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2022-11-18 20:45:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2022-11-18 20:45:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 20:45:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 20:45:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-18 20:45:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-18 20:45:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-11-18 20:45:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-11-18 20:45:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-11-18 20:45:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-11-18 20:45:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2022-11-18 20:45:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2022-11-18 20:45:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:45:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:45:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-18 20:45:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-18 20:45:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:45:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:45:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2022-11-18 20:45:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2022-11-18 20:45:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:45:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:45:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-18 20:45:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-18 20:45:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-11-18 20:45:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-11-18 20:45:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-11-18 20:45:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-11-18 20:45:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 20:45:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 20:45:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:45:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:45:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 20:45:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 20:45:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-18 20:45:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-18 20:45:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:45:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-11-18 20:45:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-11-18 20:45:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:45:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:45:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:45:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 20:45:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 20:45:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2022-11-18 20:45:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2022-11-18 20:45:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:45:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-11-18 20:45:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-11-18 20:45:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-11-18 20:45:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-11-18 20:45:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-18 20:45:45,390 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-18 20:45:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:45:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:45:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 20:45:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 20:45:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 20:45:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 20:45:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-18 20:45:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-18 20:45:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-11-18 20:45:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-11-18 20:45:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-11-18 20:45:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-11-18 20:45:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 20:45:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 20:45:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:45:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:45:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-11-18 20:45:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-11-18 20:45:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-18 20:45:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-18 20:45:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-11-18 20:45:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-11-18 20:45:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-11-18 20:45:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-11-18 20:45:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:45:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-11-18 20:45:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-11-18 20:45:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:45:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:45:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-11-18 20:45:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-11-18 20:45:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:45:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:45:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-11-18 20:45:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-11-18 20:45:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-11-18 20:45:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-11-18 20:45:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-11-18 20:45:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-11-18 20:45:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_97 [2022-11-18 20:45:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_97 [2022-11-18 20:45:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 20:45:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 20:45:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2022-11-18 20:45:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2022-11-18 20:45:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:45:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:45:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-18 20:45:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-18 20:45:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-18 20:45:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-18 20:45:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:45:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-18 20:45:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-18 20:45:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-18 20:45:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 20:45:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 20:45:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-18 20:45:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-18 20:45:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-18 20:45:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-18 20:45:46,486 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:45:46,495 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:45:47,450 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:45:51,532 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret324#1;havoc tlan_eisa_probe_#t~ret324#1;havoc tlan_eisa_probe_#t~nondet325#1; [2022-11-18 20:45:51,533 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: SUMMARY for call tlan_eisa_probe_#t~ret324#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:45:51,533 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: assume 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:45:51,533 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: assume !(64 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-18 20:45:51,533 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6975: tlan_eisa_probe_~irq~0#1 := 10; [2022-11-18 20:45:51,533 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: assume 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:45:51,534 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: assume !(128 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-18 20:45:51,534 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912-1: call tlan_eisa_probe_#t~ret327#1.base, tlan_eisa_probe_#t~ret327#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret327#1.base, tlan_eisa_probe_#t~ret327#1.offset;havoc tlan_eisa_probe_#t~ret327#1.base, tlan_eisa_probe_#t~ret327#1.offset; [2022-11-18 20:45:51,534 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6979: tlan_eisa_probe_~irq~0#1 := 11; [2022-11-18 20:45:51,534 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet334#1; [2022-11-18 20:45:51,534 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6982: assume !(16 == ~debug~0); [2022-11-18 20:45:51,534 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6922: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2022-11-18 20:45:51,535 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6922: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2022-11-18 20:45:51,535 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret328#1;havoc tlan_eisa_probe_#t~ret328#1; [2022-11-18 20:45:51,535 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927: SUMMARY for call tlan_eisa_probe_#t~ret328#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:45:51,535 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: SUMMARY for call tlan_eisa_probe_#t~ret333#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2022-11-18 20:45:51,535 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6929: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2022-11-18 20:45:51,536 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6929: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2022-11-18 20:45:51,537 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6931: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-18 20:45:51,541 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7001: assume -2147483648 <= tlan_eisa_probe_#t~ret333#1 && tlan_eisa_probe_#t~ret333#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret333#1;havoc tlan_eisa_probe_#t~ret333#1; [2022-11-18 20:45:51,541 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret329#1;havoc tlan_eisa_probe_#t~ret329#1; [2022-11-18 20:45:51,542 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: SUMMARY for call tlan_eisa_probe_#t~ret329#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:45:51,542 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6939: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2022-11-18 20:45:51,542 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6939: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2022-11-18 20:45:51,542 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6941: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-18 20:45:51,542 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret330#1;havoc tlan_eisa_probe_#t~ret330#1; [2022-11-18 20:45:51,542 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: SUMMARY for call tlan_eisa_probe_#t~ret330#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:45:51,543 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7013-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2022-11-18 20:45:51,543 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2022-11-18 20:45:51,546 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2022-11-18 20:45:51,547 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet335#1; [2022-11-18 20:45:51,553 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951-1: assume !(16 == ~debug~0); [2022-11-18 20:45:51,553 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-11-18 20:45:51,553 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2022-11-18 20:45:51,553 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2022-11-18 20:45:51,554 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956-2: SUMMARY for call tlan_eisa_probe_#t~ret332#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:45:51,554 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet331#1; [2022-11-18 20:45:51,554 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume !(16 == ~debug~0); [2022-11-18 20:45:51,554 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-18 20:45:51,554 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7024: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-18 20:45:51,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6963: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret332#1;havoc tlan_eisa_probe_#t~ret332#1; [2022-11-18 20:45:51,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-11-18 20:45:51,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-18 20:45:51,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-18 20:45:51,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:45:51,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6966: assume !(16 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-18 20:45:51,555 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret322#1;havoc tlan_eisa_probe_#t~ret322#1;havoc tlan_eisa_probe_#t~nondet323#1; [2022-11-18 20:45:51,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: SUMMARY for call tlan_eisa_probe_#t~ret322#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-11-18 20:45:51,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6967: tlan_eisa_probe_~irq~0#1 := 5; [2022-11-18 20:45:51,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: assume 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-11-18 20:45:51,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6970: assume !(32 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2022-11-18 20:45:51,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6971: tlan_eisa_probe_~irq~0#1 := 9; [2022-11-18 20:45:51,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6905-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)));havoc tlan_eisa_probe_#t~nondet326#1; [2022-11-18 20:45:51,556 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6905-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-11-18 20:45:51,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:45:51,838 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:45:51,838 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:45:51,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:51 BoogieIcfgContainer [2022-11-18 20:45:51,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:45:51,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:45:51,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:45:51,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:45:51,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:45:39" (1/3) ... [2022-11-18 20:45:51,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604cb637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:51, skipping insertion in model container [2022-11-18 20:45:51,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:44" (2/3) ... [2022-11-18 20:45:51,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604cb637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:51, skipping insertion in model container [2022-11-18 20:45:51,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:51" (3/3) ... [2022-11-18 20:45:51,855 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2022-11-18 20:45:51,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:45:51,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:45:52,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:45:52,036 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;@36d39787, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:45:52,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:45:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 2138 states, 1415 states have (on average 1.2862190812720848) internal successors, (1820), 1457 states have internal predecessors, (1820), 619 states have call successors, (619), 104 states have call predecessors, (619), 103 states have return successors, (614), 600 states have call predecessors, (614), 614 states have call successors, (614) [2022-11-18 20:45:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-18 20:45:52,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:45:52,092 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 20:45:52,092 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:45:52,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:52,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2133469637, now seen corresponding path program 1 times [2022-11-18 20:45:52,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:52,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352957727] [2022-11-18 20:45:52,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:52,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:45:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:45:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:45:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:45:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:45:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:45:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:45:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:45:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:45:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:45:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:45:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:45:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:45:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:45:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:45:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 20:45:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-18 20:45:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-18 20:45:53,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:45:53,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352957727] [2022-11-18 20:45:53,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352957727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:45:53,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:45:53,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:45:53,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084012594] [2022-11-18 20:45:53,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:45:53,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:45:53,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:45:53,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:45:53,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:45:53,445 INFO L87 Difference]: Start difference. First operand has 2138 states, 1415 states have (on average 1.2862190812720848) internal successors, (1820), 1457 states have internal predecessors, (1820), 619 states have call successors, (619), 104 states have call predecessors, (619), 103 states have return successors, (614), 600 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:46:08,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:08,944 INFO L93 Difference]: Finished difference Result 6194 states and 9647 transitions. [2022-11-18 20:46:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:46:08,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 128 [2022-11-18 20:46:08,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:09,015 INFO L225 Difference]: With dead ends: 6194 [2022-11-18 20:46:09,015 INFO L226 Difference]: Without dead ends: 4023 [2022-11-18 20:46:09,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:46:09,048 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 5560 mSDsluCounter, 3602 mSDsCounter, 0 mSdLazyCounter, 4130 mSolverCounterSat, 3926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5794 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 8056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3926 IncrementalHoareTripleChecker+Valid, 4130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:09,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5794 Valid, 6197 Invalid, 8056 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3926 Valid, 4130 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2022-11-18 20:46:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2022-11-18 20:46:09,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 3341. [2022-11-18 20:46:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3341 states, 2268 states have (on average 1.2619047619047619) internal successors, (2862), 2344 states have internal predecessors, (2862), 897 states have call successors, (897), 186 states have call predecessors, (897), 175 states have return successors, (920), 850 states have call predecessors, (920), 897 states have call successors, (920) [2022-11-18 20:46:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3341 states to 3341 states and 4679 transitions. [2022-11-18 20:46:09,516 INFO L78 Accepts]: Start accepts. Automaton has 3341 states and 4679 transitions. Word has length 128 [2022-11-18 20:46:09,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:09,518 INFO L495 AbstractCegarLoop]: Abstraction has 3341 states and 4679 transitions. [2022-11-18 20:46:09,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:46:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3341 states and 4679 transitions. [2022-11-18 20:46:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-18 20:46:09,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:09,536 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 20:46:09,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:46:09,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:46:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash -863310445, now seen corresponding path program 1 times [2022-11-18 20:46:09,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:09,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39888488] [2022-11-18 20:46:09,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:09,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:09,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:46:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:09,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:09,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:46:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:46:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:46:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:46:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:46:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:46:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:46:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:46:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 20:46:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-18 20:46:10,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:10,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39888488] [2022-11-18 20:46:10,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39888488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:10,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:10,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:46:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601106380] [2022-11-18 20:46:10,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:10,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:46:10,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:10,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:46:10,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:46:10,119 INFO L87 Difference]: Start difference. First operand 3341 states and 4679 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:46:28,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:28,445 INFO L93 Difference]: Finished difference Result 10705 states and 15642 transitions. [2022-11-18 20:46:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:46:28,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 130 [2022-11-18 20:46:28,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:28,542 INFO L225 Difference]: With dead ends: 10705 [2022-11-18 20:46:28,543 INFO L226 Difference]: Without dead ends: 7381 [2022-11-18 20:46:28,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:46:28,573 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 6424 mSDsluCounter, 4482 mSDsCounter, 0 mSdLazyCounter, 4797 mSolverCounterSat, 4645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6669 SdHoareTripleChecker+Valid, 7294 SdHoareTripleChecker+Invalid, 9442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4645 IncrementalHoareTripleChecker+Valid, 4797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:28,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6669 Valid, 7294 Invalid, 9442 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4645 Valid, 4797 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2022-11-18 20:46:28,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2022-11-18 20:46:29,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 6626. [2022-11-18 20:46:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6626 states, 4437 states have (on average 1.2555780933062881) internal successors, (5571), 4603 states have internal predecessors, (5571), 1827 states have call successors, (1827), 363 states have call predecessors, (1827), 361 states have return successors, (2446), 1745 states have call predecessors, (2446), 1827 states have call successors, (2446) [2022-11-18 20:46:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6626 states to 6626 states and 9844 transitions. [2022-11-18 20:46:29,158 INFO L78 Accepts]: Start accepts. Automaton has 6626 states and 9844 transitions. Word has length 130 [2022-11-18 20:46:29,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:29,159 INFO L495 AbstractCegarLoop]: Abstraction has 6626 states and 9844 transitions. [2022-11-18 20:46:29,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 20:46:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 6626 states and 9844 transitions. [2022-11-18 20:46:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-18 20:46:29,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:29,165 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-11-18 20:46:29,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:46:29,165 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:46:29,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:29,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1551190401, now seen corresponding path program 1 times [2022-11-18 20:46:29,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:29,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969066367] [2022-11-18 20:46:29,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:46:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:46:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:46:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:46:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:46:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:46:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:46:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:46:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:46:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 20:46:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 20:46:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:46:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-18 20:46:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:46:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-18 20:46:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 20:46:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-18 20:46:29,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:29,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969066367] [2022-11-18 20:46:29,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969066367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:29,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:29,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:46:29,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956673431] [2022-11-18 20:46:29,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:29,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:46:29,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:29,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:46:29,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:46:29,834 INFO L87 Difference]: Start difference. First operand 6626 states and 9844 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-18 20:46:55,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:46:55,623 INFO L93 Difference]: Finished difference Result 21320 states and 33924 transitions. [2022-11-18 20:46:55,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:46:55,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 149 [2022-11-18 20:46:55,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:46:55,873 INFO L225 Difference]: With dead ends: 21320 [2022-11-18 20:46:55,873 INFO L226 Difference]: Without dead ends: 14711 [2022-11-18 20:46:55,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:46:55,943 INFO L413 NwaCegarLoop]: 3203 mSDtfsCounter, 7562 mSDsluCounter, 5009 mSDsCounter, 0 mSdLazyCounter, 6173 mSolverCounterSat, 6491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7844 SdHoareTripleChecker+Valid, 8212 SdHoareTripleChecker+Invalid, 12664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6491 IncrementalHoareTripleChecker+Valid, 6173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:46:55,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7844 Valid, 8212 Invalid, 12664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6491 Valid, 6173 Invalid, 0 Unknown, 0 Unchecked, 24.2s Time] [2022-11-18 20:46:55,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14711 states. [2022-11-18 20:46:57,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14711 to 12795. [2022-11-18 20:46:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12795 states, 8560 states have (on average 1.2559579439252337) internal successors, (10751), 8887 states have internal predecessors, (10751), 3538 states have call successors, (3538), 722 states have call predecessors, (3538), 696 states have return successors, (4853), 3349 states have call predecessors, (4853), 3538 states have call successors, (4853) [2022-11-18 20:46:57,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12795 states to 12795 states and 19142 transitions. [2022-11-18 20:46:57,622 INFO L78 Accepts]: Start accepts. Automaton has 12795 states and 19142 transitions. Word has length 149 [2022-11-18 20:46:57,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:46:57,622 INFO L495 AbstractCegarLoop]: Abstraction has 12795 states and 19142 transitions. [2022-11-18 20:46:57,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-18 20:46:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 12795 states and 19142 transitions. [2022-11-18 20:46:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-18 20:46:57,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:46:57,630 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2022-11-18 20:46:57,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:46:57,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:46:57,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:46:57,632 INFO L85 PathProgramCache]: Analyzing trace with hash -406916822, now seen corresponding path program 1 times [2022-11-18 20:46:57,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:46:57,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227198988] [2022-11-18 20:46:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:46:57,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:46:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:46:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:46:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:46:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:46:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:46:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:46:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:46:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:46:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:46:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:46:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:46:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:46:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:46:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:46:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:46:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:46:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 20:46:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 20:46:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:46:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-11-18 20:46:58,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:46:58,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227198988] [2022-11-18 20:46:58,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227198988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:46:58,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:46:58,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:46:58,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775960454] [2022-11-18 20:46:58,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:46:58,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:46:58,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:46:58,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:46:58,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:46:58,365 INFO L87 Difference]: Start difference. First operand 12795 states and 19142 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:47:17,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:47:17,647 INFO L93 Difference]: Finished difference Result 40959 states and 62772 transitions. [2022-11-18 20:47:17,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:47:17,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 190 [2022-11-18 20:47:17,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:47:17,928 INFO L225 Difference]: With dead ends: 40959 [2022-11-18 20:47:17,928 INFO L226 Difference]: Without dead ends: 28181 [2022-11-18 20:47:18,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:47:18,072 INFO L413 NwaCegarLoop]: 3177 mSDtfsCounter, 6238 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 5157 mSolverCounterSat, 4676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6589 SdHoareTripleChecker+Valid, 8337 SdHoareTripleChecker+Invalid, 9833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4676 IncrementalHoareTripleChecker+Valid, 5157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:47:18,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6589 Valid, 8337 Invalid, 9833 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4676 Valid, 5157 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2022-11-18 20:47:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28181 states. [2022-11-18 20:47:20,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28181 to 25589. [2022-11-18 20:47:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25589 states, 17141 states have (on average 1.2447348462750132) internal successors, (21336), 17802 states have internal predecessors, (21336), 7051 states have call successors, (7051), 1430 states have call predecessors, (7051), 1396 states have return successors, (9767), 6687 states have call predecessors, (9767), 7051 states have call successors, (9767) [2022-11-18 20:47:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25589 states to 25589 states and 38154 transitions. [2022-11-18 20:47:20,668 INFO L78 Accepts]: Start accepts. Automaton has 25589 states and 38154 transitions. Word has length 190 [2022-11-18 20:47:20,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:47:20,669 INFO L495 AbstractCegarLoop]: Abstraction has 25589 states and 38154 transitions. [2022-11-18 20:47:20,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:47:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 25589 states and 38154 transitions. [2022-11-18 20:47:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-18 20:47:20,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:47:20,678 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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] [2022-11-18 20:47:20,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:47:20,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:47:20,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:20,680 INFO L85 PathProgramCache]: Analyzing trace with hash -389326870, now seen corresponding path program 1 times [2022-11-18 20:47:20,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:20,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399773150] [2022-11-18 20:47:20,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:47:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:47:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:47:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:47:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:47:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:47:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:47:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:47:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:47:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:47:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:47:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:47:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:47:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:47:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:47:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 20:47:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 20:47:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-11-18 20:47:21,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:47:21,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399773150] [2022-11-18 20:47:21,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399773150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:47:21,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:47:21,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:47:21,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630330013] [2022-11-18 20:47:21,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:47:21,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:47:21,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:47:21,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:47:21,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:47:21,422 INFO L87 Difference]: Start difference. First operand 25589 states and 38154 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:47:36,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:47:36,216 INFO L93 Difference]: Finished difference Result 60701 states and 89920 transitions. [2022-11-18 20:47:36,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:47:36,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 190 [2022-11-18 20:47:36,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:47:36,567 INFO L225 Difference]: With dead ends: 60701 [2022-11-18 20:47:36,567 INFO L226 Difference]: Without dead ends: 35129 [2022-11-18 20:47:36,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:47:36,771 INFO L413 NwaCegarLoop]: 3038 mSDtfsCounter, 2975 mSDsluCounter, 5123 mSDsCounter, 0 mSdLazyCounter, 4707 mSolverCounterSat, 2791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3127 SdHoareTripleChecker+Valid, 8161 SdHoareTripleChecker+Invalid, 7498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2791 IncrementalHoareTripleChecker+Valid, 4707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:47:36,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3127 Valid, 8161 Invalid, 7498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2791 Valid, 4707 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-11-18 20:47:36,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35129 states. [2022-11-18 20:47:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35129 to 31297. [2022-11-18 20:47:39,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31297 states, 21121 states have (on average 1.24255480327636) internal successors, (26244), 21920 states have internal predecessors, (26244), 8425 states have call successors, (8425), 1868 states have call predecessors, (8425), 1750 states have return successors, (11329), 7883 states have call predecessors, (11329), 8425 states have call successors, (11329) [2022-11-18 20:47:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31297 states to 31297 states and 45998 transitions. [2022-11-18 20:47:39,663 INFO L78 Accepts]: Start accepts. Automaton has 31297 states and 45998 transitions. Word has length 190 [2022-11-18 20:47:39,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:47:39,664 INFO L495 AbstractCegarLoop]: Abstraction has 31297 states and 45998 transitions. [2022-11-18 20:47:39,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:47:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 31297 states and 45998 transitions. [2022-11-18 20:47:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-18 20:47:39,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:47:39,675 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1] [2022-11-18 20:47:39,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:47:39,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:47:39,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:39,678 INFO L85 PathProgramCache]: Analyzing trace with hash -446757531, now seen corresponding path program 1 times [2022-11-18 20:47:39,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:39,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109648022] [2022-11-18 20:47:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:39,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:47:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:47:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:47:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:47:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:47:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:47:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:47:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:47:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:47:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:47:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:47:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:47:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:47:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:47:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:47:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:47:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:47:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:47:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:47:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:47:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:47:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-18 20:47:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 20:47:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:47:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:47:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-18 20:47:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-18 20:47:40,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:47:40,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109648022] [2022-11-18 20:47:40,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109648022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:47:40,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:47:40,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:47:40,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520917719] [2022-11-18 20:47:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:47:40,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:47:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:47:40,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:47:40,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:47:40,993 INFO L87 Difference]: Start difference. First operand 31297 states and 45998 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:47:55,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:47:55,961 INFO L93 Difference]: Finished difference Result 73299 states and 107265 transitions. [2022-11-18 20:47:55,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:47:55,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 266 [2022-11-18 20:47:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:47:56,466 INFO L225 Difference]: With dead ends: 73299 [2022-11-18 20:47:56,466 INFO L226 Difference]: Without dead ends: 42019 [2022-11-18 20:47:56,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:47:56,671 INFO L413 NwaCegarLoop]: 2987 mSDtfsCounter, 2962 mSDsluCounter, 5009 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 2778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 7466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2778 IncrementalHoareTripleChecker+Valid, 4688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:47:56,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3114 Valid, 7996 Invalid, 7466 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2778 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-11-18 20:47:56,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42019 states. [2022-11-18 20:47:58,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42019 to 36935. [2022-11-18 20:47:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36935 states, 25057 states have (on average 1.2414894041585185) internal successors, (31108), 25994 states have internal predecessors, (31108), 9775 states have call successors, (9775), 2304 states have call predecessors, (9775), 2102 states have return successors, (12867), 9055 states have call predecessors, (12867), 9775 states have call successors, (12867) [2022-11-18 20:47:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36935 states to 36935 states and 53750 transitions. [2022-11-18 20:47:59,411 INFO L78 Accepts]: Start accepts. Automaton has 36935 states and 53750 transitions. Word has length 266 [2022-11-18 20:47:59,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:47:59,417 INFO L495 AbstractCegarLoop]: Abstraction has 36935 states and 53750 transitions. [2022-11-18 20:47:59,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:47:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 36935 states and 53750 transitions. [2022-11-18 20:47:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-18 20:47:59,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:47:59,432 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 6, 6, 6, 6, 6, 6, 3, 3, 3, 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, 1] [2022-11-18 20:47:59,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:47:59,433 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:47:59,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:59,434 INFO L85 PathProgramCache]: Analyzing trace with hash 325914437, now seen corresponding path program 1 times [2022-11-18 20:47:59,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:59,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643508737] [2022-11-18 20:47:59,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:48:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:48:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:48:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:48:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:48:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:48:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:48:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:48:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:48:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:48:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:48:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:48:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:48:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:48:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:48:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:48:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:48:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:48:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:48:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:48:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:48:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-18 20:48:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 20:48:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-18 20:48:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-18 20:48:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:00,460 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-18 20:48:00,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:00,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643508737] [2022-11-18 20:48:00,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643508737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:00,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:00,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:48:00,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462676186] [2022-11-18 20:48:00,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:00,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:48:00,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:00,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:48:00,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:48:00,464 INFO L87 Difference]: Start difference. First operand 36935 states and 53750 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:48:16,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:16,353 INFO L93 Difference]: Finished difference Result 86743 states and 125854 transitions. [2022-11-18 20:48:16,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:48:16,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 264 [2022-11-18 20:48:16,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:16,871 INFO L225 Difference]: With dead ends: 86743 [2022-11-18 20:48:16,871 INFO L226 Difference]: Without dead ends: 49825 [2022-11-18 20:48:17,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:48:17,054 INFO L413 NwaCegarLoop]: 3148 mSDtfsCounter, 3246 mSDsluCounter, 5187 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 2894 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3424 SdHoareTripleChecker+Valid, 8335 SdHoareTripleChecker+Invalid, 7706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2894 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:17,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3424 Valid, 8335 Invalid, 7706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2894 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-11-18 20:48:17,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49825 states. [2022-11-18 20:48:19,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49825 to 43379. [2022-11-18 20:48:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43379 states, 29503 states have (on average 1.2392638036809815) internal successors, (36562), 30590 states have internal predecessors, (36562), 11363 states have call successors, (11363), 2810 states have call predecessors, (11363), 2512 states have return successors, (14658), 10441 states have call predecessors, (14658), 11363 states have call successors, (14658) [2022-11-18 20:48:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43379 states to 43379 states and 62583 transitions. [2022-11-18 20:48:20,105 INFO L78 Accepts]: Start accepts. Automaton has 43379 states and 62583 transitions. Word has length 264 [2022-11-18 20:48:20,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:20,106 INFO L495 AbstractCegarLoop]: Abstraction has 43379 states and 62583 transitions. [2022-11-18 20:48:20,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:48:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 43379 states and 62583 transitions. [2022-11-18 20:48:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-18 20:48:20,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:20,126 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-11-18 20:48:20,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:48:20,127 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:48:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:20,128 INFO L85 PathProgramCache]: Analyzing trace with hash -2060635104, now seen corresponding path program 1 times [2022-11-18 20:48:20,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:20,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101754144] [2022-11-18 20:48:20,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:20,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:48:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:48:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:48:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:48:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:48:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:48:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:48:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:48:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:48:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:48:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:48:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:48:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:48:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:48:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:48:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:48:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:48:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:48:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:48:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:48:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:48:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-18 20:48:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 20:48:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 20:48:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:48:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 20:48:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-18 20:48:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-18 20:48:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:48:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-18 20:48:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-18 20:48:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2022-11-18 20:48:21,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:21,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101754144] [2022-11-18 20:48:21,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101754144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:21,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:21,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:48:21,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538299842] [2022-11-18 20:48:21,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:21,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:48:21,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:21,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:48:21,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:48:21,028 INFO L87 Difference]: Start difference. First operand 43379 states and 62583 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 20:48:56,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:56,525 INFO L93 Difference]: Finished difference Result 101227 states and 149480 transitions. [2022-11-18 20:48:56,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:48:56,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 326 [2022-11-18 20:48:56,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:56,935 INFO L225 Difference]: With dead ends: 101227 [2022-11-18 20:48:56,935 INFO L226 Difference]: Without dead ends: 57865 [2022-11-18 20:48:57,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:48:57,401 INFO L413 NwaCegarLoop]: 2556 mSDtfsCounter, 2673 mSDsluCounter, 7374 mSDsCounter, 0 mSdLazyCounter, 9472 mSolverCounterSat, 1809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 9930 SdHoareTripleChecker+Invalid, 11281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1809 IncrementalHoareTripleChecker+Valid, 9472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:57,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 9930 Invalid, 11281 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1809 Valid, 9472 Invalid, 0 Unknown, 0 Unchecked, 27.8s Time] [2022-11-18 20:48:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57865 states. [2022-11-18 20:49:02,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57865 to 49061. [2022-11-18 20:49:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49061 states, 33491 states have (on average 1.2384819802334956) internal successors, (41478), 34716 states have internal predecessors, (41478), 12713 states have call successors, (12713), 3238 states have call predecessors, (12713), 2856 states have return successors, (16196), 11613 states have call predecessors, (16196), 12713 states have call successors, (16196) [2022-11-18 20:49:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49061 states to 49061 states and 70387 transitions. [2022-11-18 20:49:02,825 INFO L78 Accepts]: Start accepts. Automaton has 49061 states and 70387 transitions. Word has length 326 [2022-11-18 20:49:02,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:49:02,827 INFO L495 AbstractCegarLoop]: Abstraction has 49061 states and 70387 transitions. [2022-11-18 20:49:02,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 20:49:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 49061 states and 70387 transitions. [2022-11-18 20:49:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-18 20:49:02,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:49:02,851 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:02,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:49:02,851 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:49:02,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:02,852 INFO L85 PathProgramCache]: Analyzing trace with hash -467706300, now seen corresponding path program 1 times [2022-11-18 20:49:02,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:02,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946762456] [2022-11-18 20:49:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:02,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:49:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:49:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:49:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:49:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:49:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:49:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:49:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:49:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:49:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:49:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:49:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:49:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:49:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:49:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:49:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:49:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:49:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:49:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:49:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:49:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:49:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-18 20:49:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 20:49:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 20:49:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:49:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 20:49:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-18 20:49:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-18 20:49:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-18 20:49:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-18 20:49:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-18 20:49:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 20:49:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2022-11-18 20:49:03,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:03,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946762456] [2022-11-18 20:49:03,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946762456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:03,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:03,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:49:03,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539180029] [2022-11-18 20:49:03,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:03,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:49:03,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:03,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:49:03,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:49:03,695 INFO L87 Difference]: Start difference. First operand 49061 states and 70387 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 20:49:31,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:49:31,741 INFO L93 Difference]: Finished difference Result 108354 states and 155723 transitions. [2022-11-18 20:49:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:49:31,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 336 [2022-11-18 20:49:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:49:32,529 INFO L225 Difference]: With dead ends: 108354 [2022-11-18 20:49:32,530 INFO L226 Difference]: Without dead ends: 59310 [2022-11-18 20:49:32,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:49:32,772 INFO L413 NwaCegarLoop]: 2892 mSDtfsCounter, 2013 mSDsluCounter, 4173 mSDsCounter, 0 mSdLazyCounter, 5881 mSolverCounterSat, 1341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2288 SdHoareTripleChecker+Valid, 7065 SdHoareTripleChecker+Invalid, 7222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1341 IncrementalHoareTripleChecker+Valid, 5881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:49:32,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2288 Valid, 7065 Invalid, 7222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1341 Valid, 5881 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2022-11-18 20:49:32,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59310 states. [2022-11-18 20:49:38,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59310 to 54787. [2022-11-18 20:49:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54787 states, 37507 states have (on average 1.2381155517636708) internal successors, (46438), 38870 states have internal predecessors, (46438), 14071 states have call successors, (14071), 3674 states have call predecessors, (14071), 3208 states have return successors, (17742), 12793 states have call predecessors, (17742), 14071 states have call successors, (17742) [2022-11-18 20:49:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54787 states to 54787 states and 78251 transitions. [2022-11-18 20:49:39,156 INFO L78 Accepts]: Start accepts. Automaton has 54787 states and 78251 transitions. Word has length 336 [2022-11-18 20:49:39,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:49:39,157 INFO L495 AbstractCegarLoop]: Abstraction has 54787 states and 78251 transitions. [2022-11-18 20:49:39,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-18 20:49:39,157 INFO L276 IsEmpty]: Start isEmpty. Operand 54787 states and 78251 transitions. [2022-11-18 20:49:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-11-18 20:49:39,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:49:39,446 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:49:39,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:49:39,446 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:49:39,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:49:39,447 INFO L85 PathProgramCache]: Analyzing trace with hash 729581102, now seen corresponding path program 1 times [2022-11-18 20:49:39,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:49:39,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869752282] [2022-11-18 20:49:39,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:49:39,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:49:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:49:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:49:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:49:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:49:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:49:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:49:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:49:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:49:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:49:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:49:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:49:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:49:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:49:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:49:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:49:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:49:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:49:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:49:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:49:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:49:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:49:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-18 20:49:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 20:49:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 20:49:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:49:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 20:49:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-18 20:49:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 20:49:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-18 20:49:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:49:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-18 20:49:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-18 20:49:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-18 20:49:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-18 20:49:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-18 20:49:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-18 20:49:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:49:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2022-11-18 20:49:40,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:49:40,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869752282] [2022-11-18 20:49:40,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869752282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:49:40,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:49:40,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:49:40,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122780016] [2022-11-18 20:49:40,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:49:40,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:49:40,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:49:40,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:49:40,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:49:40,520 INFO L87 Difference]: Start difference. First operand 54787 states and 78251 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 20:50:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:12,766 INFO L93 Difference]: Finished difference Result 121248 states and 173454 transitions. [2022-11-18 20:50:12,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:50:12,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 382 [2022-11-18 20:50:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:13,392 INFO L225 Difference]: With dead ends: 121248 [2022-11-18 20:50:13,393 INFO L226 Difference]: Without dead ends: 66478 [2022-11-18 20:50:13,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:50:13,635 INFO L413 NwaCegarLoop]: 2725 mSDtfsCounter, 2328 mSDsluCounter, 9143 mSDsCounter, 0 mSdLazyCounter, 9059 mSolverCounterSat, 1468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2601 SdHoareTripleChecker+Valid, 11868 SdHoareTripleChecker+Invalid, 10527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1468 IncrementalHoareTripleChecker+Valid, 9059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:13,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2601 Valid, 11868 Invalid, 10527 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1468 Valid, 9059 Invalid, 0 Unknown, 0 Unchecked, 23.4s Time] [2022-11-18 20:50:13,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66478 states. [2022-11-18 20:50:20,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66478 to 60808. [2022-11-18 20:50:20,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60808 states, 41586 states have (on average 1.2374116289135766) internal successors, (51459), 43067 states have internal predecessors, (51459), 15623 states have call successors, (15623), 4208 states have call predecessors, (15623), 3598 states have return successors, (19450), 14117 states have call predecessors, (19450), 15623 states have call successors, (19450) [2022-11-18 20:50:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60808 states to 60808 states and 86532 transitions. [2022-11-18 20:50:21,262 INFO L78 Accepts]: Start accepts. Automaton has 60808 states and 86532 transitions. Word has length 382 [2022-11-18 20:50:21,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:21,263 INFO L495 AbstractCegarLoop]: Abstraction has 60808 states and 86532 transitions. [2022-11-18 20:50:21,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 4 states have internal predecessors, (157), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 20:50:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 60808 states and 86532 transitions. [2022-11-18 20:50:21,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-18 20:50:21,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:21,296 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:21,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:50:21,296 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:21,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:21,297 INFO L85 PathProgramCache]: Analyzing trace with hash -860463413, now seen corresponding path program 1 times [2022-11-18 20:50:21,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:21,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105452136] [2022-11-18 20:50:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:50:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:50:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:50:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:50:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:50:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:50:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:50:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:50:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:50:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:50:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:50:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 20:50:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:50:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:50:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-18 20:50:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:50:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:50:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:50:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:50:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:50:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:50:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-18 20:50:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-18 20:50:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-18 20:50:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:50:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 20:50:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-18 20:50:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-18 20:50:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-18 20:50:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:50:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-18 20:50:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 20:50:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-11-18 20:50:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-18 20:50:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-18 20:50:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-18 20:50:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2022-11-18 20:50:22,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:22,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105452136] [2022-11-18 20:50:22,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105452136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:22,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:22,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:50:22,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322075778] [2022-11-18 20:50:22,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:22,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:50:22,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:22,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:50:22,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:50:22,514 INFO L87 Difference]: Start difference. First operand 60808 states and 86532 transitions. Second operand has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-18 20:50:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:50,818 INFO L93 Difference]: Finished difference Result 133765 states and 190799 transitions. [2022-11-18 20:50:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:50:50,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 378 [2022-11-18 20:50:50,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:51,457 INFO L225 Difference]: With dead ends: 133765 [2022-11-18 20:50:51,458 INFO L226 Difference]: Without dead ends: 72974 [2022-11-18 20:50:51,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:50:51,731 INFO L413 NwaCegarLoop]: 2898 mSDtfsCounter, 2484 mSDsluCounter, 8937 mSDsCounter, 0 mSdLazyCounter, 8443 mSolverCounterSat, 2295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2762 SdHoareTripleChecker+Valid, 11835 SdHoareTripleChecker+Invalid, 10738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2295 IncrementalHoareTripleChecker+Valid, 8443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:51,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2762 Valid, 11835 Invalid, 10738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2295 Valid, 8443 Invalid, 0 Unknown, 0 Unchecked, 19.5s Time] [2022-11-18 20:50:51,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72974 states.