./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.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_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya --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 a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:17:57,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:17:57,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 01:17:57,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:17:57,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:17:57,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:17:57,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:17:57,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:17:57,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:17:57,280 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:17:57,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:17:57,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:17:57,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:17:57,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:17:57,283 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:17:57,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:17:57,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:17:57,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:17:57,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:17:57,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:17:57,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:17:57,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:17:57,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:17:57,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:17:57,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:17:57,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:17:57,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:17:57,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:17:57,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:17:57,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:17:57,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:17:57,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:17:57,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:17:57,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:17:57,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:17:57,292 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:17:57,292 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:17:57,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:17:57,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:17:57,292 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_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd [2023-11-29 01:17:57,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:17:57,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:17:57,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:17:57,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:17:57,516 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:17:57,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2023-11-29 01:18:00,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:18:00,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:18:00,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2023-11-29 01:18:00,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/data/4e4387a0c/7d4f8bd7ca0a44298b189e219e8d1f61/FLAGa3e4ee25d [2023-11-29 01:18:00,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/data/4e4387a0c/7d4f8bd7ca0a44298b189e219e8d1f61 [2023-11-29 01:18:00,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:18:00,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:18:00,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:18:00,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:18:00,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:18:00,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:18:00" (1/1) ... [2023-11-29 01:18:00,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369f9172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:00, skipping insertion in model container [2023-11-29 01:18:00,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:18:00" (1/1) ... [2023-11-29 01:18:00,832 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:18:01,498 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_b719bd1c-3add-41a7-9eab-9d248519b0e8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2023-11-29 01:18:01,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:18:01,937 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:18:02,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5496-5497] [2023-11-29 01:18:02,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [5508-5509] [2023-11-29 01:18:02,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5512-5513] [2023-11-29 01:18:02,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5516-5517] [2023-11-29 01:18:02,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5520-5521] [2023-11-29 01:18:02,062 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_b719bd1c-3add-41a7-9eab-9d248519b0e8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2023-11-29 01:18:02,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:18:02,202 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:18:02,207 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:18:02,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02 WrapperNode [2023-11-29 01:18:02,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:18:02,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:18:02,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:18:02,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:18:02,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,322 INFO L138 Inliner]: procedures = 139, calls = 579, calls flagged for inlining = 61, calls inlined = 61, statements flattened = 1904 [2023-11-29 01:18:02,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:18:02,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:18:02,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:18:02,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:18:02,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,504 INFO L175 MemorySlicer]: Split 332 memory accesses to 17 slices as follows [8, 2, 5, 14, 3, 7, 2, 8, 17, 17, 3, 42, 3, 10, 2, 65, 124]. 37 percent of accesses are in the largest equivalence class. The 143 initializations are split as follows [0, 2, 0, 0, 0, 0, 0, 0, 17, 17, 0, 42, 0, 0, 0, 65, 0]. The 64 writes are split as follows [0, 0, 4, 12, 1, 6, 1, 4, 0, 0, 1, 0, 1, 0, 1, 0, 33]. [2023-11-29 01:18:02,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:18:02,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:18:02,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:18:02,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:18:02,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (1/1) ... [2023-11-29 01:18:02,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:18:02,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:18:02,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:18:02,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:18:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-29 01:18:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-29 01:18:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 01:18:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 01:18:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 01:18:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 01:18:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 01:18:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 01:18:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 01:18:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 01:18:02,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 01:18:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 01:18:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 01:18:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 01:18:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 01:18:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 01:18:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 01:18:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 01:18:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 01:18:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 01:18:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 01:18:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 01:18:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 01:18:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 01:18:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 01:18:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 01:18:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 01:18:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 01:18:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 01:18:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 01:18:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 01:18:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 01:18:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 01:18:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 01:18:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 01:18:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 01:18:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 01:18:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 01:18:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 01:18:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 01:18:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 01:18:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:18:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:18:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:18:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:18:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 01:18:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 01:18:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 01:18:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 01:18:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 01:18:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 01:18:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-29 01:18:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-29 01:18:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-29 01:18:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-29 01:18:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 01:18:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 01:18:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 01:18:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 01:18:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 01:18:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 01:18:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 01:18:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 01:18:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 01:18:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 01:18:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 01:18:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 01:18:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 01:18:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 01:18:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-29 01:18:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-29 01:18:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-29 01:18:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 01:18:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 01:18:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 01:18:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 01:18:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 01:18:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 01:18:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-29 01:18:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-29 01:18:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-29 01:18:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 01:18:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 01:18:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-29 01:18:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-29 01:18:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:18:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:18:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:18:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:18:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 01:18:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 01:18:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 01:18:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 01:18:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 01:18:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 01:18:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2023-11-29 01:18:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2023-11-29 01:18:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 01:18:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 01:18:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2023-11-29 01:18:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2023-11-29 01:18:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 01:18:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 01:18:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-29 01:18:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-29 01:18:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 01:18:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 01:18:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 01:18:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 01:18:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 01:18:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 01:18:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 01:18:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 01:18:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 01:18:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 01:18:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 01:18:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 01:18:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 01:18:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 01:18:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 01:18:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 01:18:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 01:18:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 01:18:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 01:18:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 01:18:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 01:18:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 01:18:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 01:18:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 01:18:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 01:18:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 01:18:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 01:18:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 01:18:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 01:18:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 01:18:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 01:18:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 01:18:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 01:18:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 01:18:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:18:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:18:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2023-11-29 01:18:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2023-11-29 01:18:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:18:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-29 01:18:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-29 01:18:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2023-11-29 01:18:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2023-11-29 01:18:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:18:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-29 01:18:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-29 01:18:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 01:18:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 01:18:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 01:18:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 01:18:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 01:18:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 01:18:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 01:18:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 01:18:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 01:18:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 01:18:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 01:18:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 01:18:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 01:18:02,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 01:18:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-29 01:18:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2023-11-29 01:18:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2023-11-29 01:18:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2023-11-29 01:18:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2023-11-29 01:18:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-29 01:18:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-29 01:18:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 01:18:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 01:18:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 01:18:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 01:18:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 01:18:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 01:18:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 01:18:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 01:18:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 01:18:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 01:18:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-29 01:18:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:18:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 01:18:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 01:18:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 01:18:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 01:18:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 01:18:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 01:18:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 01:18:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 01:18:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 01:18:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 01:18:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-29 01:18:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-29 01:18:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2023-11-29 01:18:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2023-11-29 01:18:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-29 01:18:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-29 01:18:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2023-11-29 01:18:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2023-11-29 01:18:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2023-11-29 01:18:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2023-11-29 01:18:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:18:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:18:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:18:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 01:18:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 01:18:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 01:18:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 01:18:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 01:18:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 01:18:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-29 01:18:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-29 01:18:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 01:18:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 01:18:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 01:18:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 01:18:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 01:18:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 01:18:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 01:18:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 01:18:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 01:18:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 01:18:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-29 01:18:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-29 01:18:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:18:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:18:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2023-11-29 01:18:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2023-11-29 01:18:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 01:18:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 01:18:03,400 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:18:03,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:18:03,947 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 01:18:04,219 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-29 01:18:05,725 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:18:05,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:18:05,872 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 01:18:05,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:18:05 BoogieIcfgContainer [2023-11-29 01:18:05,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:18:05,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:18:05,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:18:05,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:18:05,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:18:00" (1/3) ... [2023-11-29 01:18:05,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306cf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:18:05, skipping insertion in model container [2023-11-29 01:18:05,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:18:02" (2/3) ... [2023-11-29 01:18:05,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@306cf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:18:05, skipping insertion in model container [2023-11-29 01:18:05,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:18:05" (3/3) ... [2023-11-29 01:18:05,881 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2023-11-29 01:18:05,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:18:05,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:18:05,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:18:05,959 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;@22dacba1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:18:05,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:18:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 499 states, 368 states have (on average 1.5298913043478262) internal successors, (563), 382 states have internal predecessors, (563), 96 states have call successors, (96), 35 states have call predecessors, (96), 33 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-29 01:18:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 01:18:05,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:05,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:05,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:05,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:05,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1411036971, now seen corresponding path program 1 times [2023-11-29 01:18:05,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:05,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890686274] [2023-11-29 01:18:05,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:05,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:06,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:06,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890686274] [2023-11-29 01:18:06,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890686274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:06,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:06,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:06,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228508034] [2023-11-29 01:18:06,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:06,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:06,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:06,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:06,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:06,524 INFO L87 Difference]: Start difference. First operand has 499 states, 368 states have (on average 1.5298913043478262) internal successors, (563), 382 states have internal predecessors, (563), 96 states have call successors, (96), 35 states have call predecessors, (96), 33 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:18:10,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:10,277 INFO L93 Difference]: Finished difference Result 1485 states and 2308 transitions. [2023-11-29 01:18:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:18:10,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2023-11-29 01:18:10,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:10,301 INFO L225 Difference]: With dead ends: 1485 [2023-11-29 01:18:10,301 INFO L226 Difference]: Without dead ends: 970 [2023-11-29 01:18:10,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:18:10,314 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 2997 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 2822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:10,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3022 Valid, 1088 Invalid, 2822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1206 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 01:18:10,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2023-11-29 01:18:10,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 929. [2023-11-29 01:18:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 704 states have (on average 1.5042613636363635) internal successors, (1059), 711 states have internal predecessors, (1059), 163 states have call successors, (163), 62 states have call predecessors, (163), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-29 01:18:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1379 transitions. [2023-11-29 01:18:10,462 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1379 transitions. Word has length 32 [2023-11-29 01:18:10,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:10,463 INFO L495 AbstractCegarLoop]: Abstraction has 929 states and 1379 transitions. [2023-11-29 01:18:10,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:18:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1379 transitions. [2023-11-29 01:18:10,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 01:18:10,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:10,469 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:18:10,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:18:10,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:10,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:10,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1006563677, now seen corresponding path program 1 times [2023-11-29 01:18:10,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:10,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571224217] [2023-11-29 01:18:10,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:10,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:10,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:10,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:18:10,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:10,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571224217] [2023-11-29 01:18:10,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571224217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:10,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:10,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:10,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161558810] [2023-11-29 01:18:10,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:10,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:10,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:10,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:10,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:10,858 INFO L87 Difference]: Start difference. First operand 929 states and 1379 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:13,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:13,171 INFO L93 Difference]: Finished difference Result 969 states and 1455 transitions. [2023-11-29 01:18:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:18:13,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2023-11-29 01:18:13,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:13,180 INFO L225 Difference]: With dead ends: 969 [2023-11-29 01:18:13,181 INFO L226 Difference]: Without dead ends: 966 [2023-11-29 01:18:13,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:18:13,183 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1847 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:13,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 853 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 01:18:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2023-11-29 01:18:13,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 928. [2023-11-29 01:18:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 704 states have (on average 1.5028409090909092) internal successors, (1058), 710 states have internal predecessors, (1058), 162 states have call successors, (162), 62 states have call predecessors, (162), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-29 01:18:13,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1377 transitions. [2023-11-29 01:18:13,266 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1377 transitions. Word has length 41 [2023-11-29 01:18:13,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:13,267 INFO L495 AbstractCegarLoop]: Abstraction has 928 states and 1377 transitions. [2023-11-29 01:18:13,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1377 transitions. [2023-11-29 01:18:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 01:18:13,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:13,271 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:18:13,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:18:13,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:13,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:13,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1138912875, now seen corresponding path program 1 times [2023-11-29 01:18:13,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:13,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892790235] [2023-11-29 01:18:13,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:13,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:13,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:18:13,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:13,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892790235] [2023-11-29 01:18:13,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892790235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:13,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:13,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:13,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876455201] [2023-11-29 01:18:13,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:13,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:13,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:13,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:13,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:13,642 INFO L87 Difference]: Start difference. First operand 928 states and 1377 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:15,792 INFO L93 Difference]: Finished difference Result 968 states and 1453 transitions. [2023-11-29 01:18:15,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:18:15,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2023-11-29 01:18:15,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:15,799 INFO L225 Difference]: With dead ends: 968 [2023-11-29 01:18:15,799 INFO L226 Difference]: Without dead ends: 965 [2023-11-29 01:18:15,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:18:15,801 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 1844 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:15,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 847 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 01:18:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2023-11-29 01:18:15,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 927. [2023-11-29 01:18:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 704 states have (on average 1.5014204545454546) internal successors, (1057), 709 states have internal predecessors, (1057), 161 states have call successors, (161), 62 states have call predecessors, (161), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-29 01:18:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1375 transitions. [2023-11-29 01:18:15,864 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1375 transitions. Word has length 42 [2023-11-29 01:18:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:15,865 INFO L495 AbstractCegarLoop]: Abstraction has 927 states and 1375 transitions. [2023-11-29 01:18:15,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1375 transitions. [2023-11-29 01:18:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 01:18:15,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:15,868 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:18:15,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:18:15,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:15,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:15,869 INFO L85 PathProgramCache]: Analyzing trace with hash -946765850, now seen corresponding path program 1 times [2023-11-29 01:18:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:15,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188634337] [2023-11-29 01:18:15,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:15,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:16,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:18:16,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:16,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188634337] [2023-11-29 01:18:16,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188634337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:16,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:16,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:16,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070026074] [2023-11-29 01:18:16,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:16,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:16,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:16,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:16,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:16,104 INFO L87 Difference]: Start difference. First operand 927 states and 1375 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:18,192 INFO L93 Difference]: Finished difference Result 967 states and 1451 transitions. [2023-11-29 01:18:18,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:18:18,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2023-11-29 01:18:18,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:18,199 INFO L225 Difference]: With dead ends: 967 [2023-11-29 01:18:18,199 INFO L226 Difference]: Without dead ends: 964 [2023-11-29 01:18:18,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:18:18,201 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 1841 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:18,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1876 Valid, 841 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 01:18:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2023-11-29 01:18:18,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 926. [2023-11-29 01:18:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 704 states have (on average 1.5) internal successors, (1056), 708 states have internal predecessors, (1056), 160 states have call successors, (160), 62 states have call predecessors, (160), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-29 01:18:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1373 transitions. [2023-11-29 01:18:18,279 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1373 transitions. Word has length 43 [2023-11-29 01:18:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:18,279 INFO L495 AbstractCegarLoop]: Abstraction has 926 states and 1373 transitions. [2023-11-29 01:18:18,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1373 transitions. [2023-11-29 01:18:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 01:18:18,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:18,282 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:18:18,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:18:18,283 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:18,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:18,283 INFO L85 PathProgramCache]: Analyzing trace with hash 714829496, now seen corresponding path program 1 times [2023-11-29 01:18:18,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:18,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450847961] [2023-11-29 01:18:18,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:18,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:18:18,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:18,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450847961] [2023-11-29 01:18:18,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450847961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:18,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:18,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:18,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171483677] [2023-11-29 01:18:18,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:18,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:18,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:18,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:18,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:18,480 INFO L87 Difference]: Start difference. First operand 926 states and 1373 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:21,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:21,741 INFO L93 Difference]: Finished difference Result 2807 states and 4226 transitions. [2023-11-29 01:18:21,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:18:21,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2023-11-29 01:18:21,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:21,756 INFO L225 Difference]: With dead ends: 2807 [2023-11-29 01:18:21,756 INFO L226 Difference]: Without dead ends: 1899 [2023-11-29 01:18:21,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:18:21,761 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 3027 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 1180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 1068 SdHoareTripleChecker+Invalid, 2786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1180 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:21,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 1068 Invalid, 2786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1180 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 01:18:21,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2023-11-29 01:18:21,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1825. [2023-11-29 01:18:21,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1392 states have (on average 1.5014367816091954) internal successors, (2090), 1398 states have internal predecessors, (2090), 313 states have call successors, (313), 120 states have call predecessors, (313), 119 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2023-11-29 01:18:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2721 transitions. [2023-11-29 01:18:21,954 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2721 transitions. Word has length 44 [2023-11-29 01:18:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:21,954 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2721 transitions. [2023-11-29 01:18:21,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2721 transitions. [2023-11-29 01:18:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 01:18:21,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:21,958 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 01:18:21,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:18:21,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:21,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:21,959 INFO L85 PathProgramCache]: Analyzing trace with hash 684682537, now seen corresponding path program 1 times [2023-11-29 01:18:21,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:21,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073535677] [2023-11-29 01:18:21,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:21,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:18:22,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:22,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073535677] [2023-11-29 01:18:22,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073535677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:22,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:22,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:22,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349196473] [2023-11-29 01:18:22,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:22,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:22,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:22,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:22,168 INFO L87 Difference]: Start difference. First operand 1825 states and 2721 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:24,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:24,050 INFO L93 Difference]: Finished difference Result 1897 states and 2862 transitions. [2023-11-29 01:18:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:18:24,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 45 [2023-11-29 01:18:24,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:24,064 INFO L225 Difference]: With dead ends: 1897 [2023-11-29 01:18:24,064 INFO L226 Difference]: Without dead ends: 1888 [2023-11-29 01:18:24,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:18:24,066 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 1837 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:24,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 840 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 01:18:24,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2023-11-29 01:18:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1818. [2023-11-29 01:18:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1818 states, 1386 states have (on average 1.5007215007215007) internal successors, (2080), 1391 states have internal predecessors, (2080), 312 states have call successors, (312), 120 states have call predecessors, (312), 119 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2023-11-29 01:18:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1818 states and 2710 transitions. [2023-11-29 01:18:24,233 INFO L78 Accepts]: Start accepts. Automaton has 1818 states and 2710 transitions. Word has length 45 [2023-11-29 01:18:24,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:24,234 INFO L495 AbstractCegarLoop]: Abstraction has 1818 states and 2710 transitions. [2023-11-29 01:18:24,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 01:18:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2710 transitions. [2023-11-29 01:18:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 01:18:24,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:24,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:24,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:18:24,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:24,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:24,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1886395342, now seen corresponding path program 1 times [2023-11-29 01:18:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330149881] [2023-11-29 01:18:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:24,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 01:18:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 01:18:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:24,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:24,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330149881] [2023-11-29 01:18:24,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330149881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:24,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:24,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:24,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022489757] [2023-11-29 01:18:24,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:24,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:24,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:24,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:24,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:24,428 INFO L87 Difference]: Start difference. First operand 1818 states and 2710 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 01:18:27,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:27,702 INFO L93 Difference]: Finished difference Result 5387 states and 8068 transitions. [2023-11-29 01:18:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:18:27,703 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2023-11-29 01:18:27,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:27,719 INFO L225 Difference]: With dead ends: 5387 [2023-11-29 01:18:27,719 INFO L226 Difference]: Without dead ends: 3587 [2023-11-29 01:18:27,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:18:27,726 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 2999 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1581 mSolverCounterSat, 1145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 2726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1145 IncrementalHoareTripleChecker+Valid, 1581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:27,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 994 Invalid, 2726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1145 Valid, 1581 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:18:27,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3587 states. [2023-11-29 01:18:28,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3587 to 3445. [2023-11-29 01:18:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 2639 states have (on average 1.5013262599469497) internal successors, (3962), 2648 states have internal predecessors, (3962), 571 states have call successors, (571), 235 states have call predecessors, (571), 234 states have return successors, (581), 569 states have call predecessors, (581), 569 states have call successors, (581) [2023-11-29 01:18:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 5114 transitions. [2023-11-29 01:18:28,041 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 5114 transitions. Word has length 57 [2023-11-29 01:18:28,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:28,042 INFO L495 AbstractCegarLoop]: Abstraction has 3445 states and 5114 transitions. [2023-11-29 01:18:28,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 01:18:28,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 5114 transitions. [2023-11-29 01:18:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-29 01:18:28,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:28,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:28,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:18:28,045 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:28,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash -640091112, now seen corresponding path program 1 times [2023-11-29 01:18:28,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:28,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791271945] [2023-11-29 01:18:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:28,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 01:18:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 01:18:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:28,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:28,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791271945] [2023-11-29 01:18:28,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791271945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:28,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:28,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:28,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617416427] [2023-11-29 01:18:28,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:28,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:18:28,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:28,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:18:28,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:28,256 INFO L87 Difference]: Start difference. First operand 3445 states and 5114 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 01:18:31,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:31,865 INFO L93 Difference]: Finished difference Result 9149 states and 13624 transitions. [2023-11-29 01:18:31,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:18:31,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2023-11-29 01:18:31,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:31,892 INFO L225 Difference]: With dead ends: 9149 [2023-11-29 01:18:31,892 INFO L226 Difference]: Without dead ends: 5731 [2023-11-29 01:18:31,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:18:31,903 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 1984 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 2306 mSolverCounterSat, 795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 3101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 2306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:31,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 1201 Invalid, 3101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [795 Valid, 2306 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 01:18:31,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5731 states. [2023-11-29 01:18:32,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5731 to 5519. [2023-11-29 01:18:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5519 states, 4223 states have (on average 1.4970400189438788) internal successors, (6322), 4238 states have internal predecessors, (6322), 906 states have call successors, (906), 390 states have call predecessors, (906), 389 states have return successors, (920), 902 states have call predecessors, (920), 904 states have call successors, (920) [2023-11-29 01:18:32,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 5519 states and 8148 transitions. [2023-11-29 01:18:32,318 INFO L78 Accepts]: Start accepts. Automaton has 5519 states and 8148 transitions. Word has length 55 [2023-11-29 01:18:32,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:32,318 INFO L495 AbstractCegarLoop]: Abstraction has 5519 states and 8148 transitions. [2023-11-29 01:18:32,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 01:18:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 5519 states and 8148 transitions. [2023-11-29 01:18:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 01:18:32,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:32,324 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2023-11-29 01:18:32,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:18:32,325 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:32,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:32,325 INFO L85 PathProgramCache]: Analyzing trace with hash 301428854, now seen corresponding path program 1 times [2023-11-29 01:18:32,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:32,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996524923] [2023-11-29 01:18:32,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:32,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 01:18:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 01:18:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 01:18:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 01:18:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 01:18:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 01:18:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 01:18:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 01:18:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-29 01:18:32,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:32,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996524923] [2023-11-29 01:18:32,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996524923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:32,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:32,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 01:18:32,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757117497] [2023-11-29 01:18:32,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:32,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:32,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:32,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:32,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:32,733 INFO L87 Difference]: Start difference. First operand 5519 states and 8148 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 01:18:37,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:37,431 INFO L93 Difference]: Finished difference Result 8565 states and 12799 transitions. [2023-11-29 01:18:37,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 01:18:37,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 107 [2023-11-29 01:18:37,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:37,468 INFO L225 Difference]: With dead ends: 8565 [2023-11-29 01:18:37,468 INFO L226 Difference]: Without dead ends: 8562 [2023-11-29 01:18:37,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:18:37,472 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 4778 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 3144 mSolverCounterSat, 1848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4830 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 4992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1848 IncrementalHoareTripleChecker+Valid, 3144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:37,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4830 Valid, 1921 Invalid, 4992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1848 Valid, 3144 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 01:18:37,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8562 states. [2023-11-29 01:18:38,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8562 to 8255. [2023-11-29 01:18:38,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8255 states, 6320 states have (on average 1.4981012658227848) internal successors, (9468), 6342 states have internal predecessors, (9468), 1354 states have call successors, (1354), 581 states have call predecessors, (1354), 580 states have return successors, (1400), 1349 states have call predecessors, (1400), 1352 states have call successors, (1400) [2023-11-29 01:18:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8255 states to 8255 states and 12222 transitions. [2023-11-29 01:18:38,259 INFO L78 Accepts]: Start accepts. Automaton has 8255 states and 12222 transitions. Word has length 107 [2023-11-29 01:18:38,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:38,260 INFO L495 AbstractCegarLoop]: Abstraction has 8255 states and 12222 transitions. [2023-11-29 01:18:38,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 01:18:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand 8255 states and 12222 transitions. [2023-11-29 01:18:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-29 01:18:38,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:38,269 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2023-11-29 01:18:38,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:18:38,270 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:38,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:38,270 INFO L85 PathProgramCache]: Analyzing trace with hash 358687156, now seen corresponding path program 1 times [2023-11-29 01:18:38,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:38,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319273940] [2023-11-29 01:18:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:38,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 01:18:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 01:18:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 01:18:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 01:18:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 01:18:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 01:18:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-29 01:18:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 01:18:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-29 01:18:38,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:38,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319273940] [2023-11-29 01:18:38,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319273940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:38,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:38,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:18:38,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982469063] [2023-11-29 01:18:38,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:38,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:18:38,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:38,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:18:38,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:18:38,673 INFO L87 Difference]: Start difference. First operand 8255 states and 12222 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 01:18:41,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:41,519 INFO L93 Difference]: Finished difference Result 11368 states and 16984 transitions. [2023-11-29 01:18:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:18:41,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 107 [2023-11-29 01:18:41,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:41,556 INFO L225 Difference]: With dead ends: 11368 [2023-11-29 01:18:41,557 INFO L226 Difference]: Without dead ends: 8610 [2023-11-29 01:18:41,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:18:41,569 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 1263 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 540 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:41,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 1215 Invalid, 2656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [540 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 01:18:41,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8610 states. [2023-11-29 01:18:42,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8610 to 8302. [2023-11-29 01:18:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8302 states, 6355 states have (on average 1.49441384736428) internal successors, (9497), 6389 states have internal predecessors, (9497), 1354 states have call successors, (1354), 581 states have call predecessors, (1354), 592 states have return successors, (1432), 1349 states have call predecessors, (1432), 1352 states have call successors, (1432) [2023-11-29 01:18:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8302 states to 8302 states and 12283 transitions. [2023-11-29 01:18:42,120 INFO L78 Accepts]: Start accepts. Automaton has 8302 states and 12283 transitions. Word has length 107 [2023-11-29 01:18:42,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:42,121 INFO L495 AbstractCegarLoop]: Abstraction has 8302 states and 12283 transitions. [2023-11-29 01:18:42,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 01:18:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 8302 states and 12283 transitions. [2023-11-29 01:18:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 01:18:42,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:42,135 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2023-11-29 01:18:42,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:18:42,136 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:42,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:42,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1686486484, now seen corresponding path program 1 times [2023-11-29 01:18:42,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:42,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094709316] [2023-11-29 01:18:42,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:42,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 01:18:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 01:18:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 01:18:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 01:18:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 01:18:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 01:18:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:18:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:18:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:42,430 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 01:18:42,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:42,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094709316] [2023-11-29 01:18:42,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094709316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:42,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:42,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 01:18:42,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211974654] [2023-11-29 01:18:42,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:42,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:42,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:42,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:42,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:42,433 INFO L87 Difference]: Start difference. First operand 8302 states and 12283 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:18:47,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:47,109 INFO L93 Difference]: Finished difference Result 21737 states and 32383 transitions. [2023-11-29 01:18:47,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:18:47,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 120 [2023-11-29 01:18:47,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:47,168 INFO L225 Difference]: With dead ends: 21737 [2023-11-29 01:18:47,168 INFO L226 Difference]: Without dead ends: 13472 [2023-11-29 01:18:47,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:18:47,197 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 2818 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 1044 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2845 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 3369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1044 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:47,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2845 Valid, 1534 Invalid, 3369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1044 Valid, 2325 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-29 01:18:47,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13472 states. [2023-11-29 01:18:48,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13472 to 13020. [2023-11-29 01:18:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13020 states, 10036 states have (on average 1.4917297728178558) internal successors, (14971), 10087 states have internal predecessors, (14971), 2056 states have call successors, (2056), 908 states have call predecessors, (2056), 927 states have return successors, (2154), 2048 states have call predecessors, (2154), 2054 states have call successors, (2154) [2023-11-29 01:18:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13020 states to 13020 states and 19181 transitions. [2023-11-29 01:18:48,103 INFO L78 Accepts]: Start accepts. Automaton has 13020 states and 19181 transitions. Word has length 120 [2023-11-29 01:18:48,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:48,103 INFO L495 AbstractCegarLoop]: Abstraction has 13020 states and 19181 transitions. [2023-11-29 01:18:48,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:18:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 13020 states and 19181 transitions. [2023-11-29 01:18:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 01:18:48,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:48,111 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2023-11-29 01:18:48,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:18:48,112 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:48,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:48,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1189919980, now seen corresponding path program 1 times [2023-11-29 01:18:48,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:48,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454345403] [2023-11-29 01:18:48,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:48,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 01:18:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 01:18:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 01:18:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 01:18:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 01:18:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 01:18:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-29 01:18:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:18:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 01:18:48,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:48,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454345403] [2023-11-29 01:18:48,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454345403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:48,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:48,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 01:18:48,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966871600] [2023-11-29 01:18:48,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:48,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:48,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:48,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:48,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:48,358 INFO L87 Difference]: Start difference. First operand 13020 states and 19181 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:18:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:52,881 INFO L93 Difference]: Finished difference Result 33547 states and 49768 transitions. [2023-11-29 01:18:52,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:18:52,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2023-11-29 01:18:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:52,936 INFO L225 Difference]: With dead ends: 33547 [2023-11-29 01:18:52,936 INFO L226 Difference]: Without dead ends: 20564 [2023-11-29 01:18:52,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:18:52,967 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 2910 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 1134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 2948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1134 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:52,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 1257 Invalid, 2948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1134 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:18:52,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20564 states. [2023-11-29 01:18:54,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20564 to 19929. [2023-11-29 01:18:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19929 states, 15472 states have (on average 1.4895941054808686) internal successors, (23047), 15541 states have internal predecessors, (23047), 3040 states have call successors, (3040), 1385 states have call predecessors, (3040), 1416 states have return successors, (3158), 3032 states have call predecessors, (3158), 3038 states have call successors, (3158) [2023-11-29 01:18:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19929 states to 19929 states and 29245 transitions. [2023-11-29 01:18:54,385 INFO L78 Accepts]: Start accepts. Automaton has 19929 states and 29245 transitions. Word has length 121 [2023-11-29 01:18:54,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:54,386 INFO L495 AbstractCegarLoop]: Abstraction has 19929 states and 29245 transitions. [2023-11-29 01:18:54,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (15), 7 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:18:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 19929 states and 29245 transitions. [2023-11-29 01:18:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 01:18:54,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:54,394 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2023-11-29 01:18:54,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:18:54,395 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:54,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:54,395 INFO L85 PathProgramCache]: Analyzing trace with hash 967007046, now seen corresponding path program 1 times [2023-11-29 01:18:54,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:54,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053119267] [2023-11-29 01:18:54,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:54,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 01:18:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 01:18:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 01:18:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 01:18:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 01:18:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 01:18:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 01:18:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:18:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-29 01:18:54,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:18:54,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053119267] [2023-11-29 01:18:54,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053119267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:54,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:54,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:18:54,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317310817] [2023-11-29 01:18:54,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:54,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:18:54,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:18:54,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:18:54,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:18:54,812 INFO L87 Difference]: Start difference. First operand 19929 states and 29245 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 01:18:58,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:58,594 INFO L93 Difference]: Finished difference Result 27103 states and 39964 transitions. [2023-11-29 01:18:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:18:58,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 120 [2023-11-29 01:18:58,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:58,627 INFO L225 Difference]: With dead ends: 27103 [2023-11-29 01:18:58,627 INFO L226 Difference]: Without dead ends: 13780 [2023-11-29 01:18:58,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:18:58,645 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1374 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 2682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:58,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 1211 Invalid, 2682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [635 Valid, 2047 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 01:18:58,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13780 states. [2023-11-29 01:18:59,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13780 to 13328. [2023-11-29 01:18:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13328 states, 10356 states have (on average 1.4856122054847432) internal successors, (15385), 10397 states have internal predecessors, (15385), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 941 states have return successors, (2076), 2024 states have call predecessors, (2076), 2028 states have call successors, (2076) [2023-11-29 01:18:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13328 states to 13328 states and 19491 transitions. [2023-11-29 01:18:59,627 INFO L78 Accepts]: Start accepts. Automaton has 13328 states and 19491 transitions. Word has length 120 [2023-11-29 01:18:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:59,627 INFO L495 AbstractCegarLoop]: Abstraction has 13328 states and 19491 transitions. [2023-11-29 01:18:59,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 01:18:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 13328 states and 19491 transitions. [2023-11-29 01:18:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 01:18:59,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:59,636 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2023-11-29 01:18:59,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:18:59,636 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:59,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:59,637 INFO L85 PathProgramCache]: Analyzing trace with hash 938158303, now seen corresponding path program 1 times [2023-11-29 01:18:59,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:18:59,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323340390] [2023-11-29 01:18:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:59,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:18:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:18:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:18:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 01:18:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 01:18:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 01:18:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 01:18:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 01:18:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 01:18:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 01:18:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-29 01:18:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-29 01:18:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:19:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:19:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:19:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 01:19:00,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:00,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323340390] [2023-11-29 01:19:00,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323340390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:00,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:00,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:19:00,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025322760] [2023-11-29 01:19:00,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:00,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:19:00,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:19:00,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:19:00,051 INFO L87 Difference]: Start difference. First operand 13328 states and 19491 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 01:19:03,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:03,788 INFO L93 Difference]: Finished difference Result 27050 states and 39766 transitions. [2023-11-29 01:19:03,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:19:03,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-11-29 01:19:03,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:03,819 INFO L225 Difference]: With dead ends: 27050 [2023-11-29 01:19:03,819 INFO L226 Difference]: Without dead ends: 13747 [2023-11-29 01:19:03,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:19:03,836 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1335 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 2727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:03,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 1210 Invalid, 2727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [642 Valid, 2085 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 01:19:03,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13747 states. [2023-11-29 01:19:04,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13747 to 13329. [2023-11-29 01:19:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13329 states, 10357 states have (on average 1.4855653181423192) internal successors, (15386), 10398 states have internal predecessors, (15386), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 941 states have return successors, (2076), 2024 states have call predecessors, (2076), 2028 states have call successors, (2076) [2023-11-29 01:19:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13329 states to 13329 states and 19492 transitions. [2023-11-29 01:19:04,805 INFO L78 Accepts]: Start accepts. Automaton has 13329 states and 19492 transitions. Word has length 123 [2023-11-29 01:19:04,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:04,805 INFO L495 AbstractCegarLoop]: Abstraction has 13329 states and 19492 transitions. [2023-11-29 01:19:04,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 01:19:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 13329 states and 19492 transitions. [2023-11-29 01:19:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 01:19:04,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:19:04,815 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2023-11-29 01:19:04,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:19:04,815 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:19:04,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:19:04,816 INFO L85 PathProgramCache]: Analyzing trace with hash -233885697, now seen corresponding path program 1 times [2023-11-29 01:19:04,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:19:04,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157550686] [2023-11-29 01:19:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:19:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:19:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 01:19:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 01:19:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 01:19:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 01:19:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 01:19:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 01:19:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-29 01:19:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 01:19:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 01:19:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-29 01:19:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 01:19:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:19:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 01:19:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 01:19:05,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:19:05,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157550686] [2023-11-29 01:19:05,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157550686] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:19:05,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205980935] [2023-11-29 01:19:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:19:05,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:19:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:19:05,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:19:05,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:19:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:19:06,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:19:06,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:19:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-29 01:19:06,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:19:06,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205980935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:06,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:19:06,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-11-29 01:19:06,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901395285] [2023-11-29 01:19:06,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:06,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:19:06,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:19:06,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:19:06,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:19:06,512 INFO L87 Difference]: Start difference. First operand 13329 states and 19492 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 01:19:08,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:08,420 INFO L93 Difference]: Finished difference Result 13361 states and 19532 transitions. [2023-11-29 01:19:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:19:08,421 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2023-11-29 01:19:08,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:08,422 INFO L225 Difference]: With dead ends: 13361 [2023-11-29 01:19:08,422 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:19:08,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:19:08,438 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 1294 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:08,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 555 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 1069 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 01:19:08,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:19:08,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:19:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:19:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:19:08,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2023-11-29 01:19:08,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:08,441 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:19:08,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 01:19:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:19:08,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:19:08,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:19:08,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:19:08,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b719bd1c-3add-41a7-9eab-9d248519b0e8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 01:19:08,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:19:25,569 WARN L293 SmtUtils]: Spent 16.73s on a formula simplification. DAG size of input: 116 DAG size of output: 95 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:19:48,240 WARN L293 SmtUtils]: Spent 21.30s on a formula simplification. DAG size of input: 119 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:20:03,705 WARN L293 SmtUtils]: Spent 15.46s on a formula simplification. DAG size of input: 117 DAG size of output: 97 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:20:24,551 WARN L293 SmtUtils]: Spent 20.85s on a formula simplification. DAG size of input: 117 DAG size of output: 93 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:20:38,486 WARN L293 SmtUtils]: Spent 13.93s on a formula simplification. DAG size of input: 114 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:20:52,091 WARN L293 SmtUtils]: Spent 13.60s on a formula simplification. DAG size of input: 115 DAG size of output: 92 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:21:05,411 WARN L293 SmtUtils]: Spent 13.32s on a formula simplification. DAG size of input: 115 DAG size of output: 92 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:21:19,490 WARN L293 SmtUtils]: Spent 14.08s on a formula simplification. DAG size of input: 117 DAG size of output: 96 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:21:41,264 WARN L293 SmtUtils]: Spent 21.77s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:21:55,382 WARN L293 SmtUtils]: Spent 14.12s on a formula simplification. DAG size of input: 115 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:22:15,825 WARN L293 SmtUtils]: Spent 20.44s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:22:28,988 WARN L293 SmtUtils]: Spent 13.16s on a formula simplification. DAG size of input: 114 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:22:50,403 WARN L293 SmtUtils]: Spent 21.41s on a formula simplification. DAG size of input: 119 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:23:09,901 WARN L293 SmtUtils]: Spent 19.50s on a formula simplification. DAG size of input: 117 DAG size of output: 93 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:23:28,162 WARN L293 SmtUtils]: Spent 18.26s on a formula simplification. DAG size of input: 115 DAG size of output: 89 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:23:42,455 WARN L293 SmtUtils]: Spent 14.29s on a formula simplification. DAG size of input: 117 DAG size of output: 96 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:24:03,453 WARN L293 SmtUtils]: Spent 21.00s on a formula simplification. DAG size of input: 119 DAG size of output: 99 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:24:24,462 WARN L293 SmtUtils]: Spent 21.01s on a formula simplification. DAG size of input: 119 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:24:42,728 WARN L293 SmtUtils]: Spent 18.27s on a formula simplification. DAG size of input: 115 DAG size of output: 89 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:25:03,841 WARN L293 SmtUtils]: Spent 21.11s on a formula simplification. DAG size of input: 119 DAG size of output: 99 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:25:17,041 WARN L293 SmtUtils]: Spent 13.20s on a formula simplification. DAG size of input: 115 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:25:37,782 WARN L293 SmtUtils]: Spent 20.74s on a formula simplification. DAG size of input: 119 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:25:50,727 WARN L293 SmtUtils]: Spent 12.94s on a formula simplification. DAG size of input: 114 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:26:04,999 WARN L293 SmtUtils]: Spent 14.27s on a formula simplification. DAG size of input: 117 DAG size of output: 96 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:26:24,646 WARN L293 SmtUtils]: Spent 19.65s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:26:38,076 WARN L293 SmtUtils]: Spent 13.43s on a formula simplification. DAG size of input: 114 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:26:58,863 WARN L293 SmtUtils]: Spent 20.79s on a formula simplification. DAG size of input: 119 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:27:12,256 WARN L293 SmtUtils]: Spent 13.39s on a formula simplification. DAG size of input: 114 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:27:31,748 WARN L293 SmtUtils]: Spent 19.49s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:27:45,174 WARN L293 SmtUtils]: Spent 13.43s on a formula simplification. DAG size of input: 114 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:28:05,940 WARN L293 SmtUtils]: Spent 20.77s on a formula simplification. DAG size of input: 119 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:28:25,699 WARN L293 SmtUtils]: Spent 19.76s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:28:39,914 WARN L293 SmtUtils]: Spent 14.21s on a formula simplification. DAG size of input: 117 DAG size of output: 96 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:28:53,326 WARN L293 SmtUtils]: Spent 13.41s on a formula simplification. DAG size of input: 114 DAG size of output: 91 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:29:15,230 WARN L293 SmtUtils]: Spent 21.90s on a formula simplification. DAG size of input: 119 DAG size of output: 99 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:29:36,524 WARN L293 SmtUtils]: Spent 21.29s on a formula simplification. DAG size of input: 119 DAG size of output: 99 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:29:56,971 WARN L293 SmtUtils]: Spent 20.45s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:30:18,988 WARN L293 SmtUtils]: Spent 22.02s on a formula simplification. DAG size of input: 119 DAG size of output: 99 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:30:40,011 WARN L293 SmtUtils]: Spent 21.02s on a formula simplification. DAG size of input: 119 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:30:59,698 WARN L293 SmtUtils]: Spent 19.69s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:31:14,509 WARN L293 SmtUtils]: Spent 14.81s on a formula simplification. DAG size of input: 117 DAG size of output: 97 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:31:29,111 WARN L293 SmtUtils]: Spent 14.60s on a formula simplification. DAG size of input: 112 DAG size of output: 86 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:31:50,524 WARN L293 SmtUtils]: Spent 21.41s on a formula simplification. DAG size of input: 117 DAG size of output: 94 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-29 01:32:03,268 WARN L293 SmtUtils]: Spent 12.74s on a formula simplification. DAG size of input: 112 DAG size of output: 86 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)