./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ --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 97d835cf94d1b164c94e454298c9901161d3451d2aec7fccfb9f6ea65c4976ed --- 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-dbf71c6-m [2022-10-17 10:43:44,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:43:44,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:43:44,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:43:44,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:43:44,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:43:44,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:43:44,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:43:44,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:43:44,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:43:44,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:43:44,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:43:44,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:43:44,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:43:44,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:43:44,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:43:44,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:43:44,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:43:44,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:43:45,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:43:45,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:43:45,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:43:45,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:43:45,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:43:45,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:43:45,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:43:45,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:43:45,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:43:45,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:43:45,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:43:45,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:43:45,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:43:45,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:43:45,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:43:45,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:43:45,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:43:45,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:43:45,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:43:45,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:43:45,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:43:45,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:43:45,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:43:45,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:43:45,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:43:45,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:43:45,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:43:45,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:43:45,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:43:45,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:43:45,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:43:45,088 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:43:45,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:43:45,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:43:45,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:43:45,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:43:45,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:43:45,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:43:45,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:43:45,095 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:43:45,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:43:45,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:43:45,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:43:45,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:43:45,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:43:45,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:43:45,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:43:45,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:43:45,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:43:45,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:43:45,102 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:43:45,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:43:45,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:43:45,103 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_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d835cf94d1b164c94e454298c9901161d3451d2aec7fccfb9f6ea65c4976ed [2022-10-17 10:43:45,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:43:45,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:43:45,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:43:45,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:43:45,405 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:43:45,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2022-10-17 10:43:45,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/data/70c24f7a3/c02e09a55d7d4fc9b67e25c1a2b109ee/FLAG4cadc6a26 [2022-10-17 10:43:46,422 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:43:46,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2022-10-17 10:43:46,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/data/70c24f7a3/c02e09a55d7d4fc9b67e25c1a2b109ee/FLAG4cadc6a26 [2022-10-17 10:43:46,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/data/70c24f7a3/c02e09a55d7d4fc9b67e25c1a2b109ee [2022-10-17 10:43:46,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:43:46,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:43:46,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:43:46,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:43:46,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:43:46,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:43:46" (1/1) ... [2022-10-17 10:43:46,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376272b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:46, skipping insertion in model container [2022-10-17 10:43:46,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:43:46" (1/1) ... [2022-10-17 10:43:46,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:43:46,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:43:49,933 WARN L230 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_bda079b3-28bd-4da6-bf3f-8d527e0ea710/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327451,327464] [2022-10-17 10:43:49,935 WARN L230 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_bda079b3-28bd-4da6-bf3f-8d527e0ea710/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327596,327609] [2022-10-17 10:43:49,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:43:50,011 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:43:50,407 WARN L230 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_bda079b3-28bd-4da6-bf3f-8d527e0ea710/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327451,327464] [2022-10-17 10:43:50,408 WARN L230 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_bda079b3-28bd-4da6-bf3f-8d527e0ea710/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327596,327609] [2022-10-17 10:43:50,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:43:50,690 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:43:50,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50 WrapperNode [2022-10-17 10:43:50,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:43:50,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:43:50,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:43:50,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:43:50,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:50,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,004 INFO L138 Inliner]: procedures = 393, calls = 3228, calls flagged for inlining = 185, calls inlined = 165, statements flattened = 5500 [2022-10-17 10:43:51,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:43:51,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:43:51,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:43:51,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:43:51,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,281 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:43:51,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:43:51,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:43:51,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:43:51,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (1/1) ... [2022-10-17 10:43:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:43:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:43:51,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:43:51,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bda079b3-28bd-4da6-bf3f-8d527e0ea710/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:43:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:43:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:43:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-17 10:43:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-17 10:43:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:43:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:43:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-10-17 10:43:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-10-17 10:43:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-10-17 10:43:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-10-17 10:43:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure read_mii_word [2022-10-17 10:43:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mii_word [2022-10-17 10:43:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:43:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 10:43:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 10:43:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 10:43:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:43:51,433 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:43:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:43:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:43:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:43:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-10-17 10:43:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-10-17 10:43:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_dec_workqueue [2022-10-17 10:43:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_dec_workqueue [2022-10-17 10:43:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:43:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:43:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_disconnect [2022-10-17 10:43:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_disconnect [2022-10-17 10:43:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:43:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-10-17 10:43:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-10-17 10:43:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:43:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure __mii_op [2022-10-17 10:43:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __mii_op [2022-10-17 10:43:51,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 10:43:51,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 10:43:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:43:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-17 10:43:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-10-17 10:43:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:43:51,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:43:51,437 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_set_wol [2022-10-17 10:43:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_set_wol [2022-10-17 10:43:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-17 10:43:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-17 10:43:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 10:43:51,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 10:43:51,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:43:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:43:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_set_multicast [2022-10-17 10:43:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_set_multicast [2022-10-17 10:43:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_register [2022-10-17 10:43:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_register [2022-10-17 10:43:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:43:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 10:43:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 10:43:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:43:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 10:43:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 10:43:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:43:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:43:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:43:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-17 10:43:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-17 10:43:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-17 10:43:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-17 10:43:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:43:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-17 10:43:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-17 10:43:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-17 10:43:51,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 10:43:51,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 10:43:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-17 10:43:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-17 10:43:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-10-17 10:43:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-10-17 10:43:51,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:43:51,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:43:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure read_bulk_callback [2022-10-17 10:43:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure read_bulk_callback [2022-10-17 10:43:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-17 10:43:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-17 10:43:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:43:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:43:51,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:43:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:43:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure write_mii_word [2022-10-17 10:43:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mii_word [2022-10-17 10:43:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-17 10:43:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-17 10:43:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-10-17 10:43:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-10-17 10:43:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 10:43:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 10:43:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_open [2022-10-17 10:43:51,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_open [2022-10-17 10:43:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 10:43:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 10:43:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-17 10:43:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-17 10:43:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:43:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure read_eprom_word [2022-10-17 10:43:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eprom_word [2022-10-17 10:43:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:43:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:43:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:43:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_nway_reset [2022-10-17 10:43:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_nway_reset [2022-10-17 10:43:51,448 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_resume [2022-10-17 10:43:51,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_resume [2022-10-17 10:43:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:43:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_tx_timeout [2022-10-17 10:43:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_tx_timeout [2022-10-17 10:43:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:43:51,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:43:51,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-17 10:43:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-17 10:43:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urbs [2022-10-17 10:43:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urbs [2022-10-17 10:43:51,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 10:43:51,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 10:43:51,456 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 10:43:51,457 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 10:43:51,457 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 10:43:51,458 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 10:43:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure intr_callback [2022-10-17 10:43:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_callback [2022-10-17 10:43:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2022-10-17 10:43:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2022-10-17 10:43:51,464 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 10:43:51,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 10:43:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:43:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:43:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pegasus_exit_11_2 [2022-10-17 10:43:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pegasus_exit_11_2 [2022-10-17 10:43:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:43:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:43:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:43:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:43:51,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:43:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-17 10:43:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-17 10:43:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2022-10-17 10:43:51,466 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2022-10-17 10:43:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 10:43:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 10:43:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_close [2022-10-17 10:43:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_close [2022-10-17 10:43:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-10-17 10:43:51,467 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-10-17 10:43:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-10-17 10:43:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-10-17 10:43:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-10-17 10:43:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:43:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-10-17 10:43:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-10-17 10:43:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 10:43:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 10:43:52,293 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:43:52,296 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:43:53,053 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:43:59,951 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 10:44:00,428 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:44:00,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:44:00,455 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:44:00,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:00 BoogieIcfgContainer [2022-10-17 10:44:00,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:44:00,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:44:00,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:44:00,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:44:00,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:43:46" (1/3) ... [2022-10-17 10:44:00,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cb2033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:00, skipping insertion in model container [2022-10-17 10:44:00,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:43:50" (2/3) ... [2022-10-17 10:44:00,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55cb2033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:00, skipping insertion in model container [2022-10-17 10:44:00,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:00" (3/3) ... [2022-10-17 10:44:00,472 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2022-10-17 10:44:00,491 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:44:00,491 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:44:00,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:44:00,625 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;@2e4305b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:44:00,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:44:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 1416 states, 1023 states have (on average 1.3020527859237536) internal successors, (1332), 1031 states have internal predecessors, (1332), 322 states have call successors, (322), 71 states have call predecessors, (322), 70 states have return successors, (316), 314 states have call predecessors, (316), 316 states have call successors, (316) [2022-10-17 10:44:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 10:44:00,667 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:00,668 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:00,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:00,673 INFO L85 PathProgramCache]: Analyzing trace with hash -546880332, now seen corresponding path program 1 times [2022-10-17 10:44:00,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:00,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420523563] [2022-10-17 10:44:00,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:00,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:44:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:44:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:44:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:44:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:44:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:44:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:44:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:44:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:44:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:44:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:44:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:44:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-17 10:44:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-17 10:44:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-10-17 10:44:02,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:02,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420523563] [2022-10-17 10:44:02,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420523563] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:02,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:02,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:44:02,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013129689] [2022-10-17 10:44:02,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:02,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:44:02,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:02,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:44:02,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:44:02,331 INFO L87 Difference]: Start difference. First operand has 1416 states, 1023 states have (on average 1.3020527859237536) internal successors, (1332), 1031 states have internal predecessors, (1332), 322 states have call successors, (322), 71 states have call predecessors, (322), 70 states have return successors, (316), 314 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-17 10:44:05,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:05,638 INFO L93 Difference]: Finished difference Result 4190 states and 5904 transitions. [2022-10-17 10:44:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:44:05,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 165 [2022-10-17 10:44:05,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:05,702 INFO L225 Difference]: With dead ends: 4190 [2022-10-17 10:44:05,702 INFO L226 Difference]: Without dead ends: 2722 [2022-10-17 10:44:05,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:44:05,726 INFO L413 NwaCegarLoop]: 2170 mSDtfsCounter, 2156 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 4754 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 785 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:05,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 4754 Invalid, 1867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [785 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-17 10:44:05,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2022-10-17 10:44:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2666. [2022-10-17 10:44:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 1958 states have (on average 1.2951991828396323) internal successors, (2536), 1972 states have internal predecessors, (2536), 573 states have call successors, (573), 134 states have call predecessors, (573), 134 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-10-17 10:44:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3682 transitions. [2022-10-17 10:44:06,036 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3682 transitions. Word has length 165 [2022-10-17 10:44:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:06,039 INFO L495 AbstractCegarLoop]: Abstraction has 2666 states and 3682 transitions. [2022-10-17 10:44:06,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-10-17 10:44:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3682 transitions. [2022-10-17 10:44:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-10-17 10:44:06,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:06,055 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:06,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:44:06,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:06,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:06,056 INFO L85 PathProgramCache]: Analyzing trace with hash 440152829, now seen corresponding path program 1 times [2022-10-17 10:44:06,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:06,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194721003] [2022-10-17 10:44:06,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:44:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:44:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:44:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:44:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:44:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:44:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:44:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:44:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:44:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:44:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:44:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:44:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-17 10:44:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-17 10:44:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-17 10:44:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-10-17 10:44:07,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:07,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194721003] [2022-10-17 10:44:07,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194721003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:07,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:07,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:44:07,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568256027] [2022-10-17 10:44:07,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:07,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:44:07,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:07,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:44:07,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:44:07,114 INFO L87 Difference]: Start difference. First operand 2666 states and 3682 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-17 10:44:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:09,467 INFO L93 Difference]: Finished difference Result 6573 states and 9062 transitions. [2022-10-17 10:44:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:44:09,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 182 [2022-10-17 10:44:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:09,505 INFO L225 Difference]: With dead ends: 6573 [2022-10-17 10:44:09,505 INFO L226 Difference]: Without dead ends: 3936 [2022-10-17 10:44:09,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:44:09,527 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 1170 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:09,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 4414 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-17 10:44:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3936 states. [2022-10-17 10:44:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3936 to 3860. [2022-10-17 10:44:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 2875 states have (on average 1.2939130434782609) internal successors, (3720), 2899 states have internal predecessors, (3720), 775 states have call successors, (775), 209 states have call predecessors, (775), 209 states have return successors, (775), 763 states have call predecessors, (775), 775 states have call successors, (775) [2022-10-17 10:44:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5270 transitions. [2022-10-17 10:44:09,765 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5270 transitions. Word has length 182 [2022-10-17 10:44:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:09,768 INFO L495 AbstractCegarLoop]: Abstraction has 3860 states and 5270 transitions. [2022-10-17 10:44:09,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-17 10:44:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5270 transitions. [2022-10-17 10:44:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-10-17 10:44:09,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:09,775 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:09,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:44:09,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:09,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:09,779 INFO L85 PathProgramCache]: Analyzing trace with hash 2111526708, now seen corresponding path program 1 times [2022-10-17 10:44:09,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:09,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051701119] [2022-10-17 10:44:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:09,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:44:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:44:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:44:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:44:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:44:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:44:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:44:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:44:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:44:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:44:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:44:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-17 10:44:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-17 10:44:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:44:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-17 10:44:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-10-17 10:44:10,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:10,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051701119] [2022-10-17 10:44:10,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051701119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:10,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:10,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:44:10,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667749299] [2022-10-17 10:44:10,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:10,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:44:10,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:10,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:44:10,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:44:10,535 INFO L87 Difference]: Start difference. First operand 3860 states and 5270 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-17 10:44:13,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:13,304 INFO L93 Difference]: Finished difference Result 10324 states and 14161 transitions. [2022-10-17 10:44:13,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:44:13,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2022-10-17 10:44:13,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:13,430 INFO L225 Difference]: With dead ends: 10324 [2022-10-17 10:44:13,431 INFO L226 Difference]: Without dead ends: 6493 [2022-10-17 10:44:13,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:44:13,447 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 1775 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 4545 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:13,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 4545 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-17 10:44:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6493 states. [2022-10-17 10:44:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 6351. [2022-10-17 10:44:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6351 states, 4690 states have (on average 1.29317697228145) internal successors, (6065), 4736 states have internal predecessors, (6065), 1307 states have call successors, (1307), 353 states have call predecessors, (1307), 353 states have return successors, (1313), 1279 states have call predecessors, (1313), 1307 states have call successors, (1313) [2022-10-17 10:44:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6351 states to 6351 states and 8685 transitions. [2022-10-17 10:44:13,808 INFO L78 Accepts]: Start accepts. Automaton has 6351 states and 8685 transitions. Word has length 180 [2022-10-17 10:44:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:13,811 INFO L495 AbstractCegarLoop]: Abstraction has 6351 states and 8685 transitions. [2022-10-17 10:44:13,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-10-17 10:44:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 6351 states and 8685 transitions. [2022-10-17 10:44:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-10-17 10:44:13,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:13,816 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 12, 12, 12, 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] [2022-10-17 10:44:13,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:44:13,817 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:13,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:13,817 INFO L85 PathProgramCache]: Analyzing trace with hash -191224265, now seen corresponding path program 1 times [2022-10-17 10:44:13,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:13,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302712345] [2022-10-17 10:44:13,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:13,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:44:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:44:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-17 10:44:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:44:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:44:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-17 10:44:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-17 10:44:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:44:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-17 10:44:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-17 10:44:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:44:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:44:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat