./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 bf5e73d985bafa5e008f16fba6fb54da90c4b127699bd918a748611ea9b79793 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 15:05:48,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 15:05:48,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 15:05:48,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 15:05:48,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 15:05:48,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 15:05:48,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 15:05:48,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 15:05:48,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 15:05:48,713 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 15:05:48,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 15:05:48,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 15:05:48,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 15:05:48,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 15:05:48,715 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 15:05:48,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 15:05:48,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 15:05:48,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 15:05:48,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 15:05:48,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 15:05:48,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 15:05:48,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 15:05:48,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 15:05:48,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 15:05:48,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 15:05:48,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 15:05:48,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 15:05:48,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 15:05:48,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:05:48,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 15:05:48,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 15:05:48,719 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf5e73d985bafa5e008f16fba6fb54da90c4b127699bd918a748611ea9b79793 [2023-11-23 15:05:48,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 15:05:48,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 15:05:48,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 15:05:48,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 15:05:48,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 15:05:48,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 15:05:50,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 15:05:50,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 15:05:50,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 15:05:50,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23b6d90ea/7fb4a21db84c4ef18cd9f37db13aec71/FLAGad3b5cfb1 [2023-11-23 15:05:50,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23b6d90ea/7fb4a21db84c4ef18cd9f37db13aec71 [2023-11-23 15:05:50,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 15:05:50,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 15:05:50,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 15:05:50,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 15:05:50,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 15:05:50,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:50" (1/1) ... [2023-11-23 15:05:50,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263cd184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:50, skipping insertion in model container [2023-11-23 15:05:50,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:50" (1/1) ... [2023-11-23 15:05:50,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 15:05:51,387 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2023-11-23 15:05:51,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:05:51,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 15:05:51,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [2769-2770] [2023-11-23 15:05:51,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2796] [2023-11-23 15:05:51,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2799] [2023-11-23 15:05:51,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2802] [2023-11-23 15:05:51,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2805] [2023-11-23 15:05:51,569 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3649] [2023-11-23 15:05:51,574 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3671] [2023-11-23 15:05:51,646 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2023-11-23 15:05:51,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 15:05:51,745 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:05:51,748 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 15:05:51,755 INFO L206 MainTranslator]: Completed translation [2023-11-23 15:05:51,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51 WrapperNode [2023-11-23 15:05:51,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 15:05:51,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 15:05:51,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 15:05:51,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 15:05:51,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:51,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:51,958 INFO L138 Inliner]: procedures = 189, calls = 1332, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 3579 [2023-11-23 15:05:51,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 15:05:51,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 15:05:51,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 15:05:51,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 15:05:51,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:51,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:51,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,337 INFO L175 MemorySlicer]: Split 657 memory accesses to 16 slices as follows [2, 13, 6, 0, 12, 25, 0, 0, 5, 8, 19, 2, 15, 21, 0, 529]. 81 percent of accesses are in the largest equivalence class. The 189 initializations are split as follows [2, 8, 1, 0, 12, 25, 0, 0, 2, 0, 8, 0, 0, 21, 0, 110]. The 207 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 12, 0, 0, 193]. [2023-11-23 15:05:52,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 15:05:52,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 15:05:52,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 15:05:52,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 15:05:52,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (1/1) ... [2023-11-23 15:05:52,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:05:52,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:05:52,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 15:05:52,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 15:05:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2023-11-23 15:05:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2023-11-23 15:05:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 15:05:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 15:05:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-11-23 15:05:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-11-23 15:05:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 15:05:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 15:05:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 15:05:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 15:05:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 15:05:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 15:05:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 15:05:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 15:05:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 15:05:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 15:05:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 15:05:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 15:05:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 15:05:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 15:05:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-23 15:05:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-23 15:05:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-23 15:05:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-23 15:05:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 15:05:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 15:05:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 15:05:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 15:05:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-23 15:05:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 15:05:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-23 15:05:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-23 15:05:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 15:05:52,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 15:05:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 15:05:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 15:05:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 15:05:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 15:05:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 15:05:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 15:05:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 15:05:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 15:05:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-23 15:05:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 15:05:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 15:05:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2023-11-23 15:05:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2023-11-23 15:05:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2023-11-23 15:05:52,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-23 15:05:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-23 15:05:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-23 15:05:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-23 15:05:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-23 15:05:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-23 15:05:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-23 15:05:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-23 15:05:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-23 15:05:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-23 15:05:52,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-23 15:05:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-23 15:05:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-23 15:05:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-23 15:05:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-23 15:05:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-23 15:05:52,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-23 15:05:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-23 15:05:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-23 15:05:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-23 15:05:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-23 15:05:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-23 15:05:52,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-23 15:05:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-23 15:05:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-23 15:05:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2023-11-23 15:05:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2023-11-23 15:05:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2023-11-23 15:05:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2023-11-23 15:05:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 15:05:52,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 15:05:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 15:05:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 15:05:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2023-11-23 15:05:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2023-11-23 15:05:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2023-11-23 15:05:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2023-11-23 15:05:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-23 15:05:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-23 15:05:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2023-11-23 15:05:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2023-11-23 15:05:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2023-11-23 15:05:52,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2023-11-23 15:05:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-23 15:05:52,645 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-23 15:05:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 15:05:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 15:05:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 15:05:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 15:05:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 15:05:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 15:05:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 15:05:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 15:05:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 15:05:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 15:05:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 15:05:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 15:05:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 15:05:52,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-23 15:05:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-23 15:05:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-23 15:05:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 15:05:52,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 15:05:52,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 15:05:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 15:05:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2023-11-23 15:05:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2023-11-23 15:05:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2023-11-23 15:05:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2023-11-23 15:05:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2023-11-23 15:05:52,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2023-11-23 15:05:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 15:05:52,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-23 15:05:52,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-23 15:05:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-23 15:05:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-23 15:05:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-23 15:05:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-23 15:05:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-23 15:05:52,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-23 15:05:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-23 15:05:52,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-23 15:05:52,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-23 15:05:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-23 15:05:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-23 15:05:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-23 15:05:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-23 15:05:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2023-11-23 15:05:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2023-11-23 15:05:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 15:05:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 15:05:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 15:05:52,659 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 15:05:52,659 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2023-11-23 15:05:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2023-11-23 15:05:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 15:05:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-23 15:05:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2023-11-23 15:05:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2023-11-23 15:05:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 15:05:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 15:05:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 15:05:52,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 15:05:52,660 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2023-11-23 15:05:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2023-11-23 15:05:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 15:05:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 15:05:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 15:05:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2023-11-23 15:05:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2023-11-23 15:05:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2023-11-23 15:05:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2023-11-23 15:05:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 15:05:52,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 15:05:52,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 15:05:52,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 15:05:52,663 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2023-11-23 15:05:52,663 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2023-11-23 15:05:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2023-11-23 15:05:52,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 15:05:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2023-11-23 15:05:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2023-11-23 15:05:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2023-11-23 15:05:52,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2023-11-23 15:05:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 15:05:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 15:05:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 15:05:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 15:05:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 15:05:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 15:05:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-23 15:05:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-23 15:05:52,669 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 15:05:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 15:05:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 15:05:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 15:05:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2023-11-23 15:05:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2023-11-23 15:05:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 15:05:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 15:05:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 15:05:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 15:05:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 15:05:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 15:05:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 15:05:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-23 15:05:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 15:05:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 15:05:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-23 15:05:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-23 15:05:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 15:05:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 15:05:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 15:05:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 15:05:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 15:05:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 15:05:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2023-11-23 15:05:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2023-11-23 15:05:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 15:05:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 15:05:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-23 15:05:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-23 15:05:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 15:05:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 15:05:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 15:05:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 15:05:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2023-11-23 15:05:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2023-11-23 15:05:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2023-11-23 15:05:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2023-11-23 15:05:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 15:05:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 15:05:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 15:05:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 15:05:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2023-11-23 15:05:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2023-11-23 15:05:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 15:05:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 15:05:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2023-11-23 15:05:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2023-11-23 15:05:52,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 15:05:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-23 15:05:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 15:05:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-23 15:05:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-23 15:05:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-23 15:05:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 15:05:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 15:05:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 15:05:52,679 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 15:05:53,236 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 15:05:53,243 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 15:05:53,642 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 15:05:58,582 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 15:05:58,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 15:05:58,760 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 15:05:58,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:58 BoogieIcfgContainer [2023-11-23 15:05:58,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 15:05:58,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 15:05:58,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 15:05:58,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 15:05:58,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:05:50" (1/3) ... [2023-11-23 15:05:58,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a406d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:05:58, skipping insertion in model container [2023-11-23 15:05:58,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:51" (2/3) ... [2023-11-23 15:05:58,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a406d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:05:58, skipping insertion in model container [2023-11-23 15:05:58,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:58" (3/3) ... [2023-11-23 15:05:58,774 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 15:05:58,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 15:05:58,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 15:05:58,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 15:05:58,858 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;@6f7d43b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 15:05:58,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 15:05:58,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 1236 states, 800 states have (on average 1.4325) internal successors, (1146), 841 states have internal predecessors, (1146), 364 states have call successors, (364), 71 states have call predecessors, (364), 70 states have return successors, (359), 356 states have call predecessors, (359), 359 states have call successors, (359) [2023-11-23 15:05:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 15:05:58,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:05:58,886 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:05:58,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 15:05:58,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:05:58,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1645507448, now seen corresponding path program 1 times [2023-11-23 15:05:58,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:05:58,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115601294] [2023-11-23 15:05:58,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:05:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:06:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:06:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 15:06:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:06:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:06:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 15:06:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 15:06:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:06:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 15:06:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 15:06:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 15:06:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 15:06:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 15:06:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-23 15:06:00,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:06:00,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115601294] [2023-11-23 15:06:00,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115601294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:06:00,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:06:00,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 15:06:00,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146796611] [2023-11-23 15:06:00,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:06:00,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:06:00,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:06:00,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:06:00,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 15:06:00,762 INFO L87 Difference]: Start difference. First operand has 1236 states, 800 states have (on average 1.4325) internal successors, (1146), 841 states have internal predecessors, (1146), 364 states have call successors, (364), 71 states have call predecessors, (364), 70 states have return successors, (359), 356 states have call predecessors, (359), 359 states have call successors, (359) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 15:06:02,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:04,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:06,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:08,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:10,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:21,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:06:21,467 INFO L93 Difference]: Finished difference Result 2695 states and 4198 transitions. [2023-11-23 15:06:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 15:06:21,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2023-11-23 15:06:21,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:06:21,493 INFO L225 Difference]: With dead ends: 2695 [2023-11-23 15:06:21,493 INFO L226 Difference]: Without dead ends: 1453 [2023-11-23 15:06:21,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:06:21,502 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 3021 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 2671 mSolverCounterSat, 2199 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 4875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2199 IncrementalHoareTripleChecker+Valid, 2671 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2023-11-23 15:06:21,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 918 Invalid, 4875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2199 Valid, 2671 Invalid, 5 Unknown, 0 Unchecked, 20.1s Time] [2023-11-23 15:06:21,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-11-23 15:06:21,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1227. [2023-11-23 15:06:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 798 states have (on average 1.4147869674185463) internal successors, (1129), 832 states have internal predecessors, (1129), 359 states have call successors, (359), 70 states have call predecessors, (359), 69 states have return successors, (346), 343 states have call predecessors, (346), 346 states have call successors, (346) [2023-11-23 15:06:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1834 transitions. [2023-11-23 15:06:21,617 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1834 transitions. Word has length 147 [2023-11-23 15:06:21,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:06:21,618 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1834 transitions. [2023-11-23 15:06:21,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 15:06:21,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1834 transitions. [2023-11-23 15:06:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 15:06:21,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:06:21,621 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:06:21,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 15:06:21,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 15:06:21,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:06:21,621 INFO L85 PathProgramCache]: Analyzing trace with hash -210721684, now seen corresponding path program 1 times [2023-11-23 15:06:21,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:06:21,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713886157] [2023-11-23 15:06:21,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:06:21,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:06:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:06:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 15:06:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:06:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:06:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 15:06:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 15:06:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:06:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 15:06:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 15:06:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 15:06:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 15:06:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 15:06:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-23 15:06:22,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:06:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713886157] [2023-11-23 15:06:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713886157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:06:22,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:06:22,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 15:06:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16468707] [2023-11-23 15:06:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:06:22,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 15:06:22,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:06:22,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 15:06:22,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-23 15:06:22,916 INFO L87 Difference]: Start difference. First operand 1227 states and 1834 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 15:06:24,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:26,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:28,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:31,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:33,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:35,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:06:54,375 INFO L93 Difference]: Finished difference Result 3987 states and 6095 transitions. [2023-11-23 15:06:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 15:06:54,376 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2023-11-23 15:06:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:06:54,407 INFO L225 Difference]: With dead ends: 3987 [2023-11-23 15:06:54,407 INFO L226 Difference]: Without dead ends: 2790 [2023-11-23 15:06:54,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2023-11-23 15:06:54,417 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 4958 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 4578 mSolverCounterSat, 3642 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 8226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3642 IncrementalHoareTripleChecker+Valid, 4578 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:06:54,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5260 Valid, 1167 Invalid, 8226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3642 Valid, 4578 Invalid, 6 Unknown, 0 Unchecked, 30.5s Time] [2023-11-23 15:06:54,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2023-11-23 15:06:54,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2336. [2023-11-23 15:06:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 1530 states have (on average 1.4189542483660131) internal successors, (2171), 1586 states have internal predecessors, (2171), 671 states have call successors, (671), 135 states have call predecessors, (671), 134 states have return successors, (658), 652 states have call predecessors, (658), 658 states have call successors, (658) [2023-11-23 15:06:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3500 transitions. [2023-11-23 15:06:54,533 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3500 transitions. Word has length 147 [2023-11-23 15:06:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:06:54,535 INFO L495 AbstractCegarLoop]: Abstraction has 2336 states and 3500 transitions. [2023-11-23 15:06:54,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 15:06:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3500 transitions. [2023-11-23 15:06:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 15:06:54,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:06:54,540 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:06:54,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 15:06:54,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 15:06:54,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:06:54,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1497822957, now seen corresponding path program 1 times [2023-11-23 15:06:54,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:06:54,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455441784] [2023-11-23 15:06:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:06:54,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:06:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:06:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 15:06:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:06:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:06:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 15:06:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:06:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 15:06:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:06:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 15:06:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 15:06:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 15:06:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:06:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 15:06:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:06:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-23 15:06:55,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:06:55,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455441784] [2023-11-23 15:06:55,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455441784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:06:55,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:06:55,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:06:55,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225865033] [2023-11-23 15:06:55,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:06:55,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:06:55,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:06:55,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:06:55,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:06:55,738 INFO L87 Difference]: Start difference. First operand 2336 states and 3500 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 15:06:57,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:06:59,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:01,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:03,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:06,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:08,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:07:36,134 INFO L93 Difference]: Finished difference Result 6267 states and 9843 transitions. [2023-11-23 15:07:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 15:07:36,134 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 147 [2023-11-23 15:07:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:07:36,194 INFO L225 Difference]: With dead ends: 6267 [2023-11-23 15:07:36,194 INFO L226 Difference]: Without dead ends: 6242 [2023-11-23 15:07:36,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-23 15:07:36,200 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 7771 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 6870 mSolverCounterSat, 4694 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8036 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 11570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4694 IncrementalHoareTripleChecker+Valid, 6870 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2023-11-23 15:07:36,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8036 Valid, 1626 Invalid, 11570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4694 Valid, 6870 Invalid, 6 Unknown, 0 Unchecked, 39.3s Time] [2023-11-23 15:07:36,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6242 states. [2023-11-23 15:07:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6242 to 4578. [2023-11-23 15:07:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4578 states, 3010 states have (on average 1.418936877076412) internal successors, (4271), 3110 states have internal predecessors, (4271), 1307 states have call successors, (1307), 263 states have call predecessors, (1307), 260 states have return successors, (1295), 1280 states have call predecessors, (1295), 1295 states have call successors, (1295) [2023-11-23 15:07:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4578 states and 6873 transitions. [2023-11-23 15:07:36,508 INFO L78 Accepts]: Start accepts. Automaton has 4578 states and 6873 transitions. Word has length 147 [2023-11-23 15:07:36,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:07:36,509 INFO L495 AbstractCegarLoop]: Abstraction has 4578 states and 6873 transitions. [2023-11-23 15:07:36,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 15:07:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4578 states and 6873 transitions. [2023-11-23 15:07:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-23 15:07:36,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:07:36,514 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:07:36,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 15:07:36,514 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 15:07:36,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:07:36,514 INFO L85 PathProgramCache]: Analyzing trace with hash -813000424, now seen corresponding path program 1 times [2023-11-23 15:07:36,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:07:36,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973604614] [2023-11-23 15:07:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:07:36,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:07:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:07:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:07:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:07:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 15:07:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:07:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:07:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:07:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:07:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:07:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 15:07:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:07:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 15:07:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:07:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 15:07:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 15:07:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 15:07:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:07:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 15:07:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:07:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-23 15:07:37,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:07:37,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973604614] [2023-11-23 15:07:37,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973604614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:07:37,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:07:37,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:07:37,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392558325] [2023-11-23 15:07:37,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:07:37,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:07:37,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:07:37,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:07:37,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:07:37,801 INFO L87 Difference]: Start difference. First operand 4578 states and 6873 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 15:07:39,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:41,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:43,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:45,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:48,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:07:50,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:08:28,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:08:28,642 INFO L93 Difference]: Finished difference Result 16952 states and 26350 transitions. [2023-11-23 15:08:28,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 15:08:28,643 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 148 [2023-11-23 15:08:28,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:08:28,706 INFO L225 Difference]: With dead ends: 16952 [2023-11-23 15:08:28,706 INFO L226 Difference]: Without dead ends: 12404 [2023-11-23 15:08:28,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-23 15:08:28,729 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 4834 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 9112 mSolverCounterSat, 2615 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5102 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 11733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2615 IncrementalHoareTripleChecker+Valid, 9112 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.3s IncrementalHoareTripleChecker+Time [2023-11-23 15:08:28,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5102 Valid, 2037 Invalid, 11733 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2615 Valid, 9112 Invalid, 6 Unknown, 0 Unchecked, 49.3s Time] [2023-11-23 15:08:28,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12404 states. [2023-11-23 15:08:29,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12404 to 9077. [2023-11-23 15:08:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9077 states, 5979 states have (on average 1.4201371466800468) internal successors, (8491), 6171 states have internal predecessors, (8491), 2585 states have call successors, (2585), 517 states have call predecessors, (2585), 512 states have return successors, (2567), 2540 states have call predecessors, (2567), 2567 states have call successors, (2567) [2023-11-23 15:08:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9077 states to 9077 states and 13643 transitions. [2023-11-23 15:08:29,285 INFO L78 Accepts]: Start accepts. Automaton has 9077 states and 13643 transitions. Word has length 148 [2023-11-23 15:08:29,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:08:29,286 INFO L495 AbstractCegarLoop]: Abstraction has 9077 states and 13643 transitions. [2023-11-23 15:08:29,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 15:08:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 9077 states and 13643 transitions. [2023-11-23 15:08:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-23 15:08:29,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:08:29,290 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:08:29,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 15:08:29,291 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 15:08:29,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:08:29,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1421712185, now seen corresponding path program 1 times [2023-11-23 15:08:29,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:08:29,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156984016] [2023-11-23 15:08:29,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:08:29,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:08:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:08:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:08:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:08:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 15:08:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:08:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:08:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:08:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:08:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:08:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 15:08:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:08:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 15:08:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:08:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 15:08:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 15:08:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 15:08:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 15:08:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 15:08:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:08:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-23 15:08:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:08:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-11-23 15:08:30,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:08:30,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156984016] [2023-11-23 15:08:30,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156984016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:08:30,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 15:08:30,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 15:08:30,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867914924] [2023-11-23 15:08:30,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:08:30,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 15:08:30,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:08:30,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 15:08:30,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 15:08:30,521 INFO L87 Difference]: Start difference. First operand 9077 states and 13643 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 15:08:32,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:08:34,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:08:36,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:08:38,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:08:40,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:08:42,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:08,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:09:08,651 INFO L93 Difference]: Finished difference Result 33783 states and 52529 transitions. [2023-11-23 15:09:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 15:09:08,654 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2023-11-23 15:09:08,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:09:08,767 INFO L225 Difference]: With dead ends: 33783 [2023-11-23 15:09:08,767 INFO L226 Difference]: Without dead ends: 24733 [2023-11-23 15:09:08,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-23 15:09:08,801 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 6694 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 5972 mSolverCounterSat, 4979 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6961 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 10957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4979 IncrementalHoareTripleChecker+Valid, 5972 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2023-11-23 15:09:08,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6961 Valid, 1490 Invalid, 10957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4979 Valid, 5972 Invalid, 6 Unknown, 0 Unchecked, 36.5s Time] [2023-11-23 15:09:08,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24733 states. [2023-11-23 15:09:09,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24733 to 18066. [2023-11-23 15:09:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18066 states, 11916 states have (on average 1.420862705605908) internal successors, (16931), 12290 states have internal predecessors, (16931), 5133 states have call successors, (5133), 1024 states have call predecessors, (5133), 1016 states have return successors, (5113), 5055 states have call predecessors, (5113), 5113 states have call successors, (5113) [2023-11-23 15:09:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18066 states to 18066 states and 27177 transitions. [2023-11-23 15:09:09,741 INFO L78 Accepts]: Start accepts. Automaton has 18066 states and 27177 transitions. Word has length 165 [2023-11-23 15:09:09,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:09:09,741 INFO L495 AbstractCegarLoop]: Abstraction has 18066 states and 27177 transitions. [2023-11-23 15:09:09,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-23 15:09:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 18066 states and 27177 transitions. [2023-11-23 15:09:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-23 15:09:09,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:09:09,749 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:09:09,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 15:09:09,749 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 15:09:09,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:09:09,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1076299729, now seen corresponding path program 1 times [2023-11-23 15:09:09,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:09:09,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83777666] [2023-11-23 15:09:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:09:09,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:09:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:09:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 15:09:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:09:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:09:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 15:09:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 15:09:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 15:09:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 15:09:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-23 15:09:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 15:09:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 15:09:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-23 15:09:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-23 15:09:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-23 15:09:11,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:09:11,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83777666] [2023-11-23 15:09:11,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83777666] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:09:11,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938226893] [2023-11-23 15:09:11,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:09:11,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:09:11,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:09:11,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:09:11,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 15:09:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:13,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 2808 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 15:09:13,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:09:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-23 15:09:13,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 15:09:13,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938226893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 15:09:13,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 15:09:13,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2023-11-23 15:09:13,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293447215] [2023-11-23 15:09:13,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 15:09:13,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 15:09:13,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:09:13,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 15:09:13,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-23 15:09:13,410 INFO L87 Difference]: Start difference. First operand 18066 states and 27177 transitions. Second operand has 6 states, 4 states have (on average 13.75) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-23 15:09:15,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:17,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:19,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:21,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:23,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 15:09:26,147 INFO L93 Difference]: Finished difference Result 36122 states and 54342 transitions. [2023-11-23 15:09:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 15:09:26,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 13.75) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 167 [2023-11-23 15:09:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 15:09:26,208 INFO L225 Difference]: With dead ends: 36122 [2023-11-23 15:09:26,208 INFO L226 Difference]: Without dead ends: 18067 [2023-11-23 15:09:26,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-11-23 15:09:26,252 INFO L413 NwaCegarLoop]: 1705 mSDtfsCounter, 3 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8511 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-23 15:09:26,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8511 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 590 Invalid, 5 Unknown, 0 Unchecked, 12.0s Time] [2023-11-23 15:09:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18067 states. [2023-11-23 15:09:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18067 to 18067. [2023-11-23 15:09:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18067 states, 11917 states have (on average 1.4208273894436518) internal successors, (16932), 12291 states have internal predecessors, (16932), 5133 states have call successors, (5133), 1024 states have call predecessors, (5133), 1016 states have return successors, (5113), 5055 states have call predecessors, (5113), 5113 states have call successors, (5113) [2023-11-23 15:09:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18067 states to 18067 states and 27178 transitions. [2023-11-23 15:09:27,020 INFO L78 Accepts]: Start accepts. Automaton has 18067 states and 27178 transitions. Word has length 167 [2023-11-23 15:09:27,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 15:09:27,021 INFO L495 AbstractCegarLoop]: Abstraction has 18067 states and 27178 transitions. [2023-11-23 15:09:27,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 13.75) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-23 15:09:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 18067 states and 27178 transitions. [2023-11-23 15:09:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-23 15:09:27,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 15:09:27,024 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 15:09:27,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 15:09:27,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-23 15:09:27,242 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 15:09:27,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 15:09:27,242 INFO L85 PathProgramCache]: Analyzing trace with hash -588997426, now seen corresponding path program 1 times [2023-11-23 15:09:27,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 15:09:27,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032170799] [2023-11-23 15:09:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:09:27,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 15:09:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 15:09:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 15:09:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 15:09:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 15:09:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-23 15:09:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 15:09:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 15:09:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-23 15:09:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 15:09:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 15:09:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 15:09:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 15:09:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 15:09:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 15:09:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-23 15:09:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-11-23 15:09:29,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 15:09:29,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032170799] [2023-11-23 15:09:29,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032170799] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 15:09:29,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102677126] [2023-11-23 15:09:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 15:09:29,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 15:09:29,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 15:09:29,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 15:09:29,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 15:09:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 15:09:33,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 2883 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 15:09:33,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 15:09:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2023-11-23 15:09:33,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 15:09:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-11-23 15:09:34,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102677126] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 15:09:34,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 15:09:34,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 18 [2023-11-23 15:09:34,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279857273] [2023-11-23 15:09:34,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 15:09:34,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 15:09:34,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 15:09:34,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 15:09:34,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-11-23 15:09:34,292 INFO L87 Difference]: Start difference. First operand 18067 states and 27178 transitions. Second operand has 18 states, 14 states have (on average 5.928571428571429) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (45), 7 states have call predecessors, (45), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2023-11-23 15:09:36,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:38,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:40,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:42,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:44,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:46,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:48,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:50,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:52,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:54,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:56,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:09:58,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:10:00,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:10:02,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:10:04,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:10:06,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 15:10:08,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15