./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 d6a36286e10ea43dd9b822762f3f2df49a2903c1188868a0fefb608a216bfe78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:43:56,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:43:56,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:43:56,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:43:56,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:43:56,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:43:56,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:43:56,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:43:56,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:43:56,829 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:43:56,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:43:56,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:43:56,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:43:56,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:43:56,847 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:43:56,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:43:56,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:43:56,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:43:56,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:43:56,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:43:56,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:43:56,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:43:56,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:43:56,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:43:56,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:43:56,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:43:56,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:43:56,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:43:56,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:56,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:43:56,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:43:56,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:43:56,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:43:56,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:43:56,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:43:56,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:43:56,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:43:56,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:43:56,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:43:56,866 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a36286e10ea43dd9b822762f3f2df49a2903c1188868a0fefb608a216bfe78 [2023-11-26 11:43:57,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:43:57,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:43:57,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:43:57,183 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:43:57,184 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:43:57,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2023-11-26 11:44:00,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:44:01,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:44:01,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2023-11-26 11:44:01,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/data/4d5847ac1/519343213ad04a74950814f391f9ddd7/FLAG1a2b4dfc3 [2023-11-26 11:44:01,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/data/4d5847ac1/519343213ad04a74950814f391f9ddd7 [2023-11-26 11:44:01,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:44:01,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:44:01,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:44:01,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:44:01,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:44:01,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:44:01" (1/1) ... [2023-11-26 11:44:01,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d14d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:01, skipping insertion in model container [2023-11-26 11:44:01,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:44:01" (1/1) ... [2023-11-26 11:44:01,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:44:01,868 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3846] [2023-11-26 11:44:01,869 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3847-3848] [2023-11-26 11:44:02,041 WARN L240 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_c885f57a-6289-40c6-b3ee-41936573d88b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i[114996,115009] [2023-11-26 11:44:02,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:44:02,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:44:02,975 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3846] [2023-11-26 11:44:02,976 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3847-3848] [2023-11-26 11:44:02,996 WARN L240 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_c885f57a-6289-40c6-b3ee-41936573d88b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i[114996,115009] [2023-11-26 11:44:03,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:44:03,417 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:44:03,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03 WrapperNode [2023-11-26 11:44:03,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:44:03,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:44:03,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:44:03,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:44:03,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:03,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:03,650 INFO L138 Inliner]: procedures = 157, calls = 2028, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 3533 [2023-11-26 11:44:03,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:44:03,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:44:03,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:44:03,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:44:03,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:03,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:03,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,164 INFO L175 MemorySlicer]: Split 1392 memory accesses to 18 slices as follows [2, 7, 119, 1, 7, 2, 3, 2, 7, 2, 1022, 70, 6, 2, 7, 7, 119, 7]. 73 percent of accesses are in the largest equivalence class. The 1079 initializations are split as follows [2, 7, 0, 0, 7, 0, 0, 0, 7, 2, 839, 70, 4, 2, 7, 6, 119, 7]. The 157 writes are split as follows [0, 0, 102, 0, 0, 0, 1, 1, 0, 0, 53, 0, 0, 0, 0, 0, 0, 0]. [2023-11-26 11:44:04,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:44:04,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:44:04,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:44:04,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:44:04,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (1/1) ... [2023-11-26 11:44:04,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:44:04,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:44:04,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:44:04,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c885f57a-6289-40c6-b3ee-41936573d88b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:44:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 11:44:04,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 11:44:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:44:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:44:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:44:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 11:44:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 11:44:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 11:44:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 11:44:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 11:44:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 11:44:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 11:44:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 11:44:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 11:44:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 11:44:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 11:44:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 11:44:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-26 11:44:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-26 11:44:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-26 11:44:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-26 11:44:04,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-26 11:44:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmget [2023-11-26 11:44:04,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmget [2023-11-26 11:44:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2023-11-26 11:44:04,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2023-11-26 11:44:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 11:44:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 11:44:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 11:44:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 11:44:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 11:44:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 11:44:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 11:44:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 11:44:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 11:44:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 11:44:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 11:44:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 11:44:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 11:44:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-26 11:44:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-26 11:44:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-26 11:44:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-26 11:44:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-26 11:44:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 11:44:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 11:44:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 11:44:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 11:44:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 11:44:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 11:44:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 11:44:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 11:44:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 11:44:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 11:44:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 11:44:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 11:44:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 11:44:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-26 11:44:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-26 11:44:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-26 11:44:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-26 11:44:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-26 11:44:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 11:44:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 11:44:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-26 11:44:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-26 11:44:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:44:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:44:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:44:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:44:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:44:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:44:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:44:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:44:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:44:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:44:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:44:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:44:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:44:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:44:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:44:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:44:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:44:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:44:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_interface [2023-11-26 11:44:04,504 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_interface [2023-11-26 11:44:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2023-11-26 11:44:04,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2023-11-26 11:44:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_resume [2023-11-26 11:44:04,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_resume [2023-11-26 11:44:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-26 11:44:04,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-26 11:44:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-26 11:44:04,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-26 11:44:04,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:44:04,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:44:04,506 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_close [2023-11-26 11:44:04,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_close [2023-11-26 11:44:04,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-26 11:44:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-26 11:44:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-26 11:44:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-26 11:44:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write [2023-11-26 11:44:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write [2023-11-26 11:44:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_submit_rx_urbs [2023-11-26 11:44:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_submit_rx_urbs [2023-11-26 11:44:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_probe [2023-11-26 11:44:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_probe [2023-11-26 11:44:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_send_setup [2023-11-26 11:44:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_send_setup [2023-11-26 11:44:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-11-26 11:44:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-11-26 11:44:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 11:44:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 11:44:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-11-26 11:44:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-11-26 11:44:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-11-26 11:44:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-11-26 11:44:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:44:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:44:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:44:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:44:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:44:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:44:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:44:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:44:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:44:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:44:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:44:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:44:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:44:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:44:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:44:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:44:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:44:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:44:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-26 11:44:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-26 11:44:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:44:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:44:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-26 11:44:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-26 11:44:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-26 11:44:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-26 11:44:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 11:44:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 11:44:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 11:44:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 11:44:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 11:44:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 11:44:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 11:44:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 11:44:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 11:44:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 11:44:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 11:44:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 11:44:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 11:44:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 11:44:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-26 11:44:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-26 11:44:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-26 11:44:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-26 11:44:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-26 11:44:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-26 11:44:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 11:44:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 11:44:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 11:44:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 11:44:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 11:44:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 11:44:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 11:44:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 11:44:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 11:44:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 11:44:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 11:44:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 11:44:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-26 11:44:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-26 11:44:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-26 11:44:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-26 11:44:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-26 11:44:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-26 11:44:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-26 11:44:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-26 11:44:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:44:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:44:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2023-11-26 11:44:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2023-11-26 11:44:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:44:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-26 11:44:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-26 11:44:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 11:44:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 11:44:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:44:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:44:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:44:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:44:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:44:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:44:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:44:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:44:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:44:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:44:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:44:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:44:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:44:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:44:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 11:44:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 11:44:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 11:44:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 11:44:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 11:44:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 11:44:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_dtr_rts [2023-11-26 11:44:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_dtr_rts [2023-11-26 11:44:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-26 11:44:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-26 11:44:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:44:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:44:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:44:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:44:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:44:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:44:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:44:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:44:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:44:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:44:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:44:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:44:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 11:44:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 11:44:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 11:44:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 11:44:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 11:44:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 11:44:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-26 11:44:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-26 11:44:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_chars_in_buffer [2023-11-26 11:44:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_chars_in_buffer [2023-11-26 11:44:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-26 11:44:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-26 11:44:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-26 11:44:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-26 11:44:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:44:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:44:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-11-26 11:44:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-11-26 11:44:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write_room [2023-11-26 11:44:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write_room [2023-11-26 11:44:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:44:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:44:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:44:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:44:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:44:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:44:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:44:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:44:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:44:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:44:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:44:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:44:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:44:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 11:44:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 11:44:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 11:44:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 11:44:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 11:44:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 11:44:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_instat_callback [2023-11-26 11:44:04,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_instat_callback [2023-11-26 11:44:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_stop_rx_urbs [2023-11-26 11:44:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_stop_rx_urbs [2023-11-26 11:44:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 11:44:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 11:44:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-26 11:44:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-26 11:44:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-26 11:44:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-26 11:44:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_remove [2023-11-26 11:44:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_remove [2023-11-26 11:44:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-26 11:44:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-26 11:44:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_num_ports [2023-11-26 11:44:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_num_ports [2023-11-26 11:44:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-11-26 11:44:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-11-26 11:44:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmset [2023-11-26 11:44:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmset [2023-11-26 11:44:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_release_urb [2023-11-26 11:44:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_release_urb [2023-11-26 11:44:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-26 11:44:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-26 11:44:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:44:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:44:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:44:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:44:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:44:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:44:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:44:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:44:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:44:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:44:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:44:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:44:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:44:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:44:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:44:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:44:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:44:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:44:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_open [2023-11-26 11:44:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_open [2023-11-26 11:44:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-11-26 11:44:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-11-26 11:44:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-26 11:44:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-26 11:44:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-26 11:44:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-26 11:44:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_suspend [2023-11-26 11:44:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_suspend [2023-11-26 11:44:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 11:44:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 11:44:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 11:44:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 11:44:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 11:44:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 11:44:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 11:44:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 11:44:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 11:44:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 11:44:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 11:44:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 11:44:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 11:44:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-26 11:44:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-26 11:44:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-26 11:44:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-26 11:44:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-26 11:44:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-26 11:44:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-26 11:44:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:44:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:44:05,216 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:44:05,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:44:05,450 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 11:44:09,416 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:44:09,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:44:09,685 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:44:09,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:44:09 BoogieIcfgContainer [2023-11-26 11:44:09,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:44:09,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:44:09,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:44:09,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:44:09,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:44:01" (1/3) ... [2023-11-26 11:44:09,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11825b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:44:09, skipping insertion in model container [2023-11-26 11:44:09,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:03" (2/3) ... [2023-11-26 11:44:09,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11825b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:44:09, skipping insertion in model container [2023-11-26 11:44:09,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:44:09" (3/3) ... [2023-11-26 11:44:09,696 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2023-11-26 11:44:09,717 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:44:09,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:44:09,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:44:09,801 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4097d412, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:44:09,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:44:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 929 states, 607 states have (on average 1.400329489291598) internal successors, (850), 620 states have internal predecessors, (850), 259 states have call successors, (259), 62 states have call predecessors, (259), 61 states have return successors, (256), 254 states have call predecessors, (256), 256 states have call successors, (256) [2023-11-26 11:44:09,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-26 11:44:09,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:44:09,826 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:44:09,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:44:09,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:09,832 INFO L85 PathProgramCache]: Analyzing trace with hash 222520991, now seen corresponding path program 1 times [2023-11-26 11:44:09,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:09,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649691687] [2023-11-26 11:44:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:09,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:44:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:44:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:44:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:44:10,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:10,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649691687] [2023-11-26 11:44:10,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649691687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:10,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:10,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:10,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053500925] [2023-11-26 11:44:10,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:10,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:44:10,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:10,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:44:10,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:44:10,851 INFO L87 Difference]: Start difference. First operand has 929 states, 607 states have (on average 1.400329489291598) internal successors, (850), 620 states have internal predecessors, (850), 259 states have call successors, (259), 62 states have call predecessors, (259), 61 states have return successors, (256), 254 states have call predecessors, (256), 256 states have call successors, (256) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 11:44:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:44:16,790 INFO L93 Difference]: Finished difference Result 1956 states and 2958 transitions. [2023-11-26 11:44:16,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:44:16,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-11-26 11:44:16,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:44:16,824 INFO L225 Difference]: With dead ends: 1956 [2023-11-26 11:44:16,825 INFO L226 Difference]: Without dead ends: 1018 [2023-11-26 11:44:16,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:44:16,846 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 1004 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 2733 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 3248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 2733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:44:16,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 1316 Invalid, 3248 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [515 Valid, 2733 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-26 11:44:16,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2023-11-26 11:44:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 947. [2023-11-26 11:44:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 627 states have (on average 1.3843700159489634) internal successors, (868), 635 states have internal predecessors, (868), 257 states have call successors, (257), 63 states have call predecessors, (257), 62 states have return successors, (256), 254 states have call predecessors, (256), 256 states have call successors, (256) [2023-11-26 11:44:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1381 transitions. [2023-11-26 11:44:17,033 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1381 transitions. Word has length 41 [2023-11-26 11:44:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:44:17,040 INFO L495 AbstractCegarLoop]: Abstraction has 947 states and 1381 transitions. [2023-11-26 11:44:17,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 11:44:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1381 transitions. [2023-11-26 11:44:17,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:44:17,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:44:17,055 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2023-11-26 11:44:17,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:44:17,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:44:17,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 66015585, now seen corresponding path program 1 times [2023-11-26 11:44:17,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:17,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316277324] [2023-11-26 11:44:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:17,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:44:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:44:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:44:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 11:44:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 11:44:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 11:44:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:44:17,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:17,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316277324] [2023-11-26 11:44:17,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316277324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:17,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:17,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:17,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68936246] [2023-11-26 11:44:17,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:17,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:44:17,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:44:17,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:44:17,919 INFO L87 Difference]: Start difference. First operand 947 states and 1381 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 11:44:24,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:44:24,324 INFO L93 Difference]: Finished difference Result 2269 states and 3348 transitions. [2023-11-26 11:44:24,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:44:24,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2023-11-26 11:44:24,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:44:24,337 INFO L225 Difference]: With dead ends: 2269 [2023-11-26 11:44:24,337 INFO L226 Difference]: Without dead ends: 1344 [2023-11-26 11:44:24,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:44:24,344 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 1611 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 3707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:44:24,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1170 Invalid, 3707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [789 Valid, 2918 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-26 11:44:24,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2023-11-26 11:44:24,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1256. [2023-11-26 11:44:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 870 states have (on average 1.3643678160919541) internal successors, (1187), 878 states have internal predecessors, (1187), 295 states have call successors, (295), 91 states have call predecessors, (295), 90 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-26 11:44:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1776 transitions. [2023-11-26 11:44:24,443 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1776 transitions. Word has length 68 [2023-11-26 11:44:24,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:44:24,444 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 1776 transitions. [2023-11-26 11:44:24,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 11:44:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1776 transitions. [2023-11-26 11:44:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-26 11:44:24,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:44:24,447 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2023-11-26 11:44:24,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:44:24,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:44:24,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:24,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1245795397, now seen corresponding path program 1 times [2023-11-26 11:44:24,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:24,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691335332] [2023-11-26 11:44:24,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:24,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:44:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:44:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:44:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 11:44:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 11:44:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 11:44:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-26 11:44:24,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:24,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691335332] [2023-11-26 11:44:24,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691335332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:24,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:24,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:44:24,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882903050] [2023-11-26 11:44:24,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:24,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:44:24,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:24,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:44:24,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:44:24,893 INFO L87 Difference]: Start difference. First operand 1256 states and 1776 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 11:44:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:44:29,883 INFO L93 Difference]: Finished difference Result 1346 states and 1929 transitions. [2023-11-26 11:44:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:44:29,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2023-11-26 11:44:29,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:44:29,895 INFO L225 Difference]: With dead ends: 1346 [2023-11-26 11:44:29,895 INFO L226 Difference]: Without dead ends: 1343 [2023-11-26 11:44:29,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:44:29,898 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 938 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 3038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:44:29,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1514 Invalid, 3038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-26 11:44:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2023-11-26 11:44:29,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1258. [2023-11-26 11:44:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 872 states have (on average 1.363532110091743) internal successors, (1189), 880 states have internal predecessors, (1189), 295 states have call successors, (295), 91 states have call predecessors, (295), 90 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) [2023-11-26 11:44:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1778 transitions. [2023-11-26 11:44:29,985 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1778 transitions. Word has length 70 [2023-11-26 11:44:29,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:44:29,986 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1778 transitions. [2023-11-26 11:44:29,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 11:44:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1778 transitions. [2023-11-26 11:44:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-26 11:44:29,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:44:29,988 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2023-11-26 11:44:29,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:44:29,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:44:29,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1090404390, now seen corresponding path program 1 times [2023-11-26 11:44:29,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:29,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148729814] [2023-11-26 11:44:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:29,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:44:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:44:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:44:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 11:44:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 11:44:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 11:44:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-26 11:44:30,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:30,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148729814] [2023-11-26 11:44:30,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148729814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:30,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:30,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:44:30,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539310754] [2023-11-26 11:44:30,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:30,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:44:30,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:44:30,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:44:30,683 INFO L87 Difference]: Start difference. First operand 1258 states and 1778 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 11:44:36,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:44:36,654 INFO L93 Difference]: Finished difference Result 2682 states and 3834 transitions. [2023-11-26 11:44:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 11:44:36,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2023-11-26 11:44:36,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:44:36,665 INFO L225 Difference]: With dead ends: 2682 [2023-11-26 11:44:36,665 INFO L226 Difference]: Without dead ends: 1446 [2023-11-26 11:44:36,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:44:36,673 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 1783 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 2984 mSolverCounterSat, 1042 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 4026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1042 IncrementalHoareTripleChecker+Valid, 2984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-26 11:44:36,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1883 Valid, 1513 Invalid, 4026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1042 Valid, 2984 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-26 11:44:36,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2023-11-26 11:44:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1349. [2023-11-26 11:44:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 928 states have (on average 1.3545258620689655) internal successors, (1257), 937 states have internal predecessors, (1257), 315 states have call successors, (315), 106 states have call predecessors, (315), 105 states have return successors, (314), 311 states have call predecessors, (314), 314 states have call successors, (314) [2023-11-26 11:44:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1886 transitions. [2023-11-26 11:44:36,772 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1886 transitions. Word has length 72 [2023-11-26 11:44:36,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:44:36,773 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 1886 transitions. [2023-11-26 11:44:36,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 11:44:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1886 transitions. [2023-11-26 11:44:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 11:44:36,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:44:36,782 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 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] [2023-11-26 11:44:36,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:44:36,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:44:36,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1436583620, now seen corresponding path program 1 times [2023-11-26 11:44:36,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:36,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590937107] [2023-11-26 11:44:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:36,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:44:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:44:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:44:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 11:44:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 11:44:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 11:44:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 11:44:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 11:44:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 11:44:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 11:44:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-26 11:44:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 11:44:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 11:44:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-26 11:44:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 11:44:37,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:37,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590937107] [2023-11-26 11:44:37,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590937107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:37,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:37,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:44:37,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706608015] [2023-11-26 11:44:37,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:37,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:44:37,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:37,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:44:37,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:44:37,554 INFO L87 Difference]: Start difference. First operand 1349 states and 1886 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-26 11:44:45,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:44:45,791 INFO L93 Difference]: Finished difference Result 3145 states and 4478 transitions. [2023-11-26 11:44:45,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-26 11:44:45,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 135 [2023-11-26 11:44:45,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:44:45,805 INFO L225 Difference]: With dead ends: 3145 [2023-11-26 11:44:45,805 INFO L226 Difference]: Without dead ends: 1818 [2023-11-26 11:44:45,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-26 11:44:45,811 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 1727 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 1249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 2062 SdHoareTripleChecker+Invalid, 5633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:44:45,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 2062 Invalid, 5633 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1249 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-11-26 11:44:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2023-11-26 11:44:45,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1653. [2023-11-26 11:44:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1653 states, 1166 states have (on average 1.3439108061749572) internal successors, (1567), 1175 states have internal predecessors, (1567), 353 states have call successors, (353), 134 states have call predecessors, (353), 133 states have return successors, (352), 349 states have call predecessors, (352), 352 states have call successors, (352) [2023-11-26 11:44:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2272 transitions. [2023-11-26 11:44:45,927 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2272 transitions. Word has length 135 [2023-11-26 11:44:45,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:44:45,928 INFO L495 AbstractCegarLoop]: Abstraction has 1653 states and 2272 transitions. [2023-11-26 11:44:45,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-26 11:44:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2272 transitions. [2023-11-26 11:44:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-26 11:44:45,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:44:45,936 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 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] [2023-11-26 11:44:45,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:44:45,937 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:44:45,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:44:45,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1690245355, now seen corresponding path program 1 times [2023-11-26 11:44:45,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:44:45,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892119887] [2023-11-26 11:44:45,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:44:45,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:44:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:44:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:44:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:44:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 11:44:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 11:44:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 11:44:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 11:44:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 11:44:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 11:44:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-26 11:44:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-26 11:44:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-26 11:44:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-26 11:44:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-26 11:44:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:44:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-26 11:44:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:44:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-26 11:44:46,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:44:46,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892119887] [2023-11-26 11:44:46,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892119887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:44:46,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:44:46,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 11:44:46,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225303471] [2023-11-26 11:44:46,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:44:46,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 11:44:46,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:44:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 11:44:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-26 11:44:46,548 INFO L87 Difference]: Start difference. First operand 1653 states and 2272 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)