./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC --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 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:01:49,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:01:49,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:01:49,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:01:49,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:01:49,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:01:49,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:01:49,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:01:49,853 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:01:49,854 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:01:49,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:01:49,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:01:49,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:01:49,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:01:49,856 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:01:49,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:01:49,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:01:49,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:01:49,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:01:49,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:01:49,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:01:49,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:01:49,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:01:49,858 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:01:49,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:01:49,858 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:01:49,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:01:49,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:01:49,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:01:49,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:49,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:01:49,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:01:49,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:01:49,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:01:49,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:49,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:01:49,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:01:49,861 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:01:49,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:01:49,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:01:49,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:01:49,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:01:49,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:01:49,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:01:49,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:01:49,862 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC 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 -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2024-11-23 23:01:50,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:01:50,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:01:50,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:01:50,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:01:50,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:01:50,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-23 23:01:53,487 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/data/384d046cf/b037e61d52924975927b684ab4cfc1e2/FLAG1c518d0f3 [2024-11-23 23:01:54,120 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:01:54,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-23 23:01:54,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/data/384d046cf/b037e61d52924975927b684ab4cfc1e2/FLAG1c518d0f3 [2024-11-23 23:01:54,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/data/384d046cf/b037e61d52924975927b684ab4cfc1e2 [2024-11-23 23:01:54,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:01:54,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:01:54,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:01:54,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:01:54,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:01:54,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:01:54" (1/1) ... [2024-11-23 23:01:54,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6723d840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:54, skipping insertion in model container [2024-11-23 23:01:54,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:01:54" (1/1) ... [2024-11-23 23:01:54,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:01:55,457 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-23 23:01:55,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:01:55,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:01:55,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3103] [2024-11-23 23:01:55,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-23 23:01:56,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:01:56,071 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:01:56,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56 WrapperNode [2024-11-23 23:01:56,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:01:56,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:01:56,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:01:56,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:01:56,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,318 INFO L138 Inliner]: procedures = 175, calls = 882, calls flagged for inlining = 78, calls inlined = 65, statements flattened = 1619 [2024-11-23 23:01:56,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:01:56,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:01:56,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:01:56,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:01:56,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,552 INFO L175 MemorySlicer]: Split 410 memory accesses to 22 slices as follows [2, 18, 56, 12, 8, 28, 42, 2, 4, 2, 2, 1, 8, 49, 1, 3, 2, 108, 8, 8, 38, 8]. 26 percent of accesses are in the largest equivalence class. The 130 initializations are split as follows [2, 0, 56, 8, 8, 0, 0, 0, 0, 1, 0, 0, 8, 0, 0, 0, 0, 0, 8, 8, 23, 8]. The 190 writes are split as follows [0, 18, 0, 3, 0, 28, 42, 0, 0, 0, 0, 0, 0, 42, 0, 1, 0, 41, 0, 0, 15, 0]. [2024-11-23 23:01:56,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:01:56,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:01:56,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:01:56,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:01:56,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (1/1) ... [2024-11-23 23:01:56,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:01:56,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:01:56,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:01:56,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:01:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-23 23:01:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-23 23:01:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:01:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:01:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:01:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:01:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:01:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:01:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 23:01:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:01:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 23:01:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:01:56,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:01:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-23 23:01:56,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:01:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:01:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:01:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:01:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:01:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:01:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:01:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:01:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:01:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:01:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-23 23:01:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-23 23:01:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:01:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:01:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:01:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:01:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:01:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:01:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:01:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:01:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:01:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-23 23:01:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-23 23:01:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:01:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:01:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:01:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:01:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-23 23:01:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-23 23:01:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-23 23:01:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-23 23:01:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:01:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:01:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2024-11-23 23:01:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-23 23:01:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-23 23:01:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-23 23:01:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:01:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-23 23:01:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:01:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2024-11-23 23:01:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:01:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:01:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:01:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:01:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 23:01:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 23:01:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 23:01:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:01:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2024-11-23 23:01:56,828 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2024-11-23 23:01:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:01:56,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:01:56,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-23 23:01:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-23 23:01:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 23:01:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:01:56,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-23 23:01:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-23 23:01:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-23 23:01:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-23 23:01:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:01:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:01:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 23:01:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 23:01:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-11-23 23:01:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-11-23 23:01:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-23 23:01:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-23 23:01:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:01:56,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:01:56,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 23:01:56,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:01:56,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-23 23:01:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:01:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2024-11-23 23:01:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2024-11-23 23:01:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2024-11-23 23:01:56,836 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 23:01:56,836 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 23:01:57,589 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:01:57,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:02:05,208 INFO L? ?]: Removed 1082 outVars from TransFormulas that were not future-live. [2024-11-23 23:02:05,208 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:02:05,237 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:02:05,237 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:02:05,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:02:05 BoogieIcfgContainer [2024-11-23 23:02:05,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:02:05,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:02:05,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:02:05,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:02:05,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:01:54" (1/3) ... [2024-11-23 23:02:05,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd794c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:02:05, skipping insertion in model container [2024-11-23 23:02:05,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:01:56" (2/3) ... [2024-11-23 23:02:05,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd794c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:02:05, skipping insertion in model container [2024-11-23 23:02:05,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:02:05" (3/3) ... [2024-11-23 23:02:05,248 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-23 23:02:05,262 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:02:05,265 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i that has 59 procedures, 785 locations, 1 initial locations, 44 loop locations, and 1 error locations. [2024-11-23 23:02:05,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:02:05,357 INFO L333 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, 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;@25cd429f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:02:05,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:02:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-23 23:02:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-23 23:02:05,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:05,375 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:05,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:05,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:05,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1944159067, now seen corresponding path program 1 times [2024-11-23 23:02:05,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:05,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903637392] [2024-11-23 23:02:05,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:05,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:07,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:07,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903637392] [2024-11-23 23:02:07,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903637392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:07,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:07,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:07,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346016413] [2024-11-23 23:02:07,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:07,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:07,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:07,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:07,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:07,985 INFO L87 Difference]: Start difference. First operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:02:08,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:08,340 INFO L93 Difference]: Finished difference Result 1602 states and 2277 transitions. [2024-11-23 23:02:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:08,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-23 23:02:08,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:08,368 INFO L225 Difference]: With dead ends: 1602 [2024-11-23 23:02:08,368 INFO L226 Difference]: Without dead ends: 917 [2024-11-23 23:02:08,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:08,382 INFO L435 NwaCegarLoop]: 944 mSDtfsCounter, 349 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:08,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1827 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:02:08,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-23 23:02:08,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 890. [2024-11-23 23:02:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 637 states have (on average 1.3202511773940346) internal successors, (841), 672 states have internal predecessors, (841), 197 states have call successors, (197), 57 states have call predecessors, (197), 55 states have return successors, (187), 180 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-23 23:02:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1225 transitions. [2024-11-23 23:02:08,544 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1225 transitions. Word has length 13 [2024-11-23 23:02:08,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:08,544 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1225 transitions. [2024-11-23 23:02:08,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:02:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1225 transitions. [2024-11-23 23:02:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-23 23:02:08,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:08,550 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:08,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:02:08,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:08,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:08,552 INFO L85 PathProgramCache]: Analyzing trace with hash 30224340, now seen corresponding path program 1 times [2024-11-23 23:02:08,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:08,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485390257] [2024-11-23 23:02:08,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:10,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:10,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485390257] [2024-11-23 23:02:10,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485390257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:10,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:10,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:10,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523325521] [2024-11-23 23:02:10,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:10,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:10,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:10,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:10,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:10,487 INFO L87 Difference]: Start difference. First operand 890 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:02:14,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:14,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:14,781 INFO L93 Difference]: Finished difference Result 2561 states and 3522 transitions. [2024-11-23 23:02:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:14,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-23 23:02:14,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:14,802 INFO L225 Difference]: With dead ends: 2561 [2024-11-23 23:02:14,805 INFO L226 Difference]: Without dead ends: 1674 [2024-11-23 23:02:14,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:14,809 INFO L435 NwaCegarLoop]: 966 mSDtfsCounter, 892 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:14,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1849 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:02:14,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2024-11-23 23:02:14,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1667. [2024-11-23 23:02:14,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.3200663349917081) internal successors, (1592), 1260 states have internal predecessors, (1592), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-23 23:02:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2288 transitions. [2024-11-23 23:02:14,953 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2288 transitions. Word has length 35 [2024-11-23 23:02:14,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:14,953 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2288 transitions. [2024-11-23 23:02:14,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:02:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2288 transitions. [2024-11-23 23:02:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-23 23:02:14,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:14,958 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:14,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:02:14,958 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:14,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1064351123, now seen corresponding path program 1 times [2024-11-23 23:02:14,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:14,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287626047] [2024-11-23 23:02:14,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:14,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:16,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:16,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287626047] [2024-11-23 23:02:16,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287626047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:16,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:16,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:16,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395165802] [2024-11-23 23:02:16,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:16,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:16,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:16,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:16,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:16,500 INFO L87 Difference]: Start difference. First operand 1667 states and 2288 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:02:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:16,627 INFO L93 Difference]: Finished difference Result 1693 states and 2320 transitions. [2024-11-23 23:02:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:16,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-23 23:02:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:16,642 INFO L225 Difference]: With dead ends: 1693 [2024-11-23 23:02:16,642 INFO L226 Difference]: Without dead ends: 1680 [2024-11-23 23:02:16,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:16,644 INFO L435 NwaCegarLoop]: 953 mSDtfsCounter, 933 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:16,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 969 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:02:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-11-23 23:02:16,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1667. [2024-11-23 23:02:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.318407960199005) internal successors, (1590), 1260 states have internal predecessors, (1590), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-23 23:02:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2286 transitions. [2024-11-23 23:02:16,782 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2286 transitions. Word has length 42 [2024-11-23 23:02:16,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:16,782 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2286 transitions. [2024-11-23 23:02:16,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:02:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2286 transitions. [2024-11-23 23:02:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-23 23:02:16,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:16,787 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:16,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:02:16,788 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:16,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:16,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1007092821, now seen corresponding path program 1 times [2024-11-23 23:02:16,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:16,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948526795] [2024-11-23 23:02:16,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:16,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:18,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:18,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948526795] [2024-11-23 23:02:18,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948526795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:18,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:18,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:18,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940467538] [2024-11-23 23:02:18,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:18,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:18,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:18,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:18,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:18,462 INFO L87 Difference]: Start difference. First operand 1667 states and 2286 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:22,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:22,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:22,645 INFO L93 Difference]: Finished difference Result 1669 states and 2287 transitions. [2024-11-23 23:02:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:22,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-23 23:02:22,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:22,656 INFO L225 Difference]: With dead ends: 1669 [2024-11-23 23:02:22,657 INFO L226 Difference]: Without dead ends: 1666 [2024-11-23 23:02:22,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:22,658 INFO L435 NwaCegarLoop]: 935 mSDtfsCounter, 912 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:22,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 935 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:02:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-11-23 23:02:22,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2024-11-23 23:02:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1206 states have (on average 1.3175787728026533) internal successors, (1589), 1259 states have internal predecessors, (1589), 352 states have call successors, (352), 110 states have call predecessors, (352), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-23 23:02:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2284 transitions. [2024-11-23 23:02:22,771 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2284 transitions. Word has length 42 [2024-11-23 23:02:22,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:22,772 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2284 transitions. [2024-11-23 23:02:22,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2284 transitions. [2024-11-23 23:02:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-23 23:02:22,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:22,774 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:22,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:02:22,774 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:22,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:22,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1155424246, now seen corresponding path program 1 times [2024-11-23 23:02:22,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:22,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017508907] [2024-11-23 23:02:22,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:22,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:24,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:24,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017508907] [2024-11-23 23:02:24,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017508907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:24,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:24,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:24,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518750301] [2024-11-23 23:02:24,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:24,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:24,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:24,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:24,140 INFO L87 Difference]: Start difference. First operand 1666 states and 2284 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:28,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:28,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:28,302 INFO L93 Difference]: Finished difference Result 1668 states and 2285 transitions. [2024-11-23 23:02:28,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:28,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-23 23:02:28,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:28,313 INFO L225 Difference]: With dead ends: 1668 [2024-11-23 23:02:28,313 INFO L226 Difference]: Without dead ends: 1665 [2024-11-23 23:02:28,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:28,315 INFO L435 NwaCegarLoop]: 933 mSDtfsCounter, 909 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:28,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 933 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:02:28,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2024-11-23 23:02:28,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2024-11-23 23:02:28,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1206 states have (on average 1.3167495854063018) internal successors, (1588), 1258 states have internal predecessors, (1588), 351 states have call successors, (351), 110 states have call predecessors, (351), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-23 23:02:28,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2282 transitions. [2024-11-23 23:02:28,415 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2282 transitions. Word has length 43 [2024-11-23 23:02:28,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:28,416 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2282 transitions. [2024-11-23 23:02:28,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2282 transitions. [2024-11-23 23:02:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-23 23:02:28,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:28,418 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:28,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:02:28,418 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:28,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:28,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1458726258, now seen corresponding path program 1 times [2024-11-23 23:02:28,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:28,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691804050] [2024-11-23 23:02:28,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:29,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:29,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691804050] [2024-11-23 23:02:29,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691804050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:29,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:29,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751317869] [2024-11-23 23:02:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:29,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:29,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:29,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:29,877 INFO L87 Difference]: Start difference. First operand 1665 states and 2282 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:33,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:34,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:34,028 INFO L93 Difference]: Finished difference Result 1667 states and 2283 transitions. [2024-11-23 23:02:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:34,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-23 23:02:34,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:34,039 INFO L225 Difference]: With dead ends: 1667 [2024-11-23 23:02:34,039 INFO L226 Difference]: Without dead ends: 1664 [2024-11-23 23:02:34,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:34,042 INFO L435 NwaCegarLoop]: 931 mSDtfsCounter, 906 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:34,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 931 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:02:34,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2024-11-23 23:02:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2024-11-23 23:02:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 1206 states have (on average 1.3159203980099503) internal successors, (1587), 1257 states have internal predecessors, (1587), 350 states have call successors, (350), 110 states have call predecessors, (350), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-23 23:02:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2280 transitions. [2024-11-23 23:02:34,188 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2280 transitions. Word has length 44 [2024-11-23 23:02:34,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:34,189 INFO L471 AbstractCegarLoop]: Abstraction has 1664 states and 2280 transitions. [2024-11-23 23:02:34,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2280 transitions. [2024-11-23 23:02:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-23 23:02:34,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:34,192 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:34,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:02:34,192 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:34,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:34,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2023818125, now seen corresponding path program 1 times [2024-11-23 23:02:34,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:34,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031013282] [2024-11-23 23:02:34,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:34,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:35,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:35,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031013282] [2024-11-23 23:02:35,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031013282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:35,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:35,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:35,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719345732] [2024-11-23 23:02:35,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:35,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:35,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:35,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:35,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:35,437 INFO L87 Difference]: Start difference. First operand 1664 states and 2280 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:39,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:39,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:39,775 INFO L93 Difference]: Finished difference Result 4923 states and 6747 transitions. [2024-11-23 23:02:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:39,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-23 23:02:39,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:39,794 INFO L225 Difference]: With dead ends: 4923 [2024-11-23 23:02:39,794 INFO L226 Difference]: Without dead ends: 3262 [2024-11-23 23:02:39,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:39,801 INFO L435 NwaCegarLoop]: 999 mSDtfsCounter, 881 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:39,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1889 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:02:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2024-11-23 23:02:39,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3252. [2024-11-23 23:02:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2368 states have (on average 1.3163006756756757) internal successors, (3117), 2466 states have internal predecessors, (3117), 671 states have call successors, (671), 218 states have call predecessors, (671), 212 states have return successors, (662), 635 states have call predecessors, (662), 662 states have call successors, (662) [2024-11-23 23:02:40,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4450 transitions. [2024-11-23 23:02:40,009 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4450 transitions. Word has length 45 [2024-11-23 23:02:40,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:40,009 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4450 transitions. [2024-11-23 23:02:40,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4450 transitions. [2024-11-23 23:02:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-23 23:02:40,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:40,011 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:40,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:02:40,012 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:40,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:40,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1686450831, now seen corresponding path program 1 times [2024-11-23 23:02:40,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:40,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063478320] [2024-11-23 23:02:40,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:02:41,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:41,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063478320] [2024-11-23 23:02:41,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063478320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:41,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:41,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:41,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762377676] [2024-11-23 23:02:41,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:41,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:41,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:41,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:41,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:41,431 INFO L87 Difference]: Start difference. First operand 3252 states and 4450 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:45,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:45,752 INFO L93 Difference]: Finished difference Result 3303 states and 4487 transitions. [2024-11-23 23:02:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:45,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-23 23:02:45,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:45,771 INFO L225 Difference]: With dead ends: 3303 [2024-11-23 23:02:45,771 INFO L226 Difference]: Without dead ends: 3248 [2024-11-23 23:02:45,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:45,775 INFO L435 NwaCegarLoop]: 934 mSDtfsCounter, 845 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:45,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1000 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:02:45,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2024-11-23 23:02:45,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3227. [2024-11-23 23:02:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 2354 states have (on average 1.312659303313509) internal successors, (3090), 2448 states have internal predecessors, (3090), 656 states have call successors, (656), 222 states have call predecessors, (656), 216 states have return successors, (649), 624 states have call predecessors, (649), 649 states have call successors, (649) [2024-11-23 23:02:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4395 transitions. [2024-11-23 23:02:45,993 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4395 transitions. Word has length 46 [2024-11-23 23:02:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:45,993 INFO L471 AbstractCegarLoop]: Abstraction has 3227 states and 4395 transitions. [2024-11-23 23:02:45,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:02:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4395 transitions. [2024-11-23 23:02:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-23 23:02:46,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:46,003 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:46,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:02:46,004 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:46,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:46,006 INFO L85 PathProgramCache]: Analyzing trace with hash -838290608, now seen corresponding path program 1 times [2024-11-23 23:02:46,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:46,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635821454] [2024-11-23 23:02:46,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:46,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 23:02:47,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:47,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635821454] [2024-11-23 23:02:47,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635821454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:47,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:47,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:47,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692725904] [2024-11-23 23:02:47,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:47,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:47,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:47,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:47,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:47,522 INFO L87 Difference]: Start difference. First operand 3227 states and 4395 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 23:02:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:47,919 INFO L93 Difference]: Finished difference Result 8401 states and 11477 transitions. [2024-11-23 23:02:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:47,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 151 [2024-11-23 23:02:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:47,948 INFO L225 Difference]: With dead ends: 8401 [2024-11-23 23:02:47,949 INFO L226 Difference]: Without dead ends: 5177 [2024-11-23 23:02:47,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:47,963 INFO L435 NwaCegarLoop]: 1429 mSDtfsCounter, 666 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:47,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 2335 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:02:47,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2024-11-23 23:02:48,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 5115. [2024-11-23 23:02:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3768 states have (on average 1.32776008492569) internal successors, (5003), 3891 states have internal predecessors, (5003), 1007 states have call successors, (1007), 345 states have call predecessors, (1007), 339 states have return successors, (1000), 966 states have call predecessors, (1000), 1000 states have call successors, (1000) [2024-11-23 23:02:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7010 transitions. [2024-11-23 23:02:48,285 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7010 transitions. Word has length 151 [2024-11-23 23:02:48,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:48,286 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7010 transitions. [2024-11-23 23:02:48,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 23:02:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7010 transitions. [2024-11-23 23:02:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-23 23:02:48,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:48,295 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:48,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:02:48,296 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:48,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:48,297 INFO L85 PathProgramCache]: Analyzing trace with hash 606680510, now seen corresponding path program 1 times [2024-11-23 23:02:48,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:48,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86926838] [2024-11-23 23:02:48,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:48,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-23 23:02:50,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:50,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86926838] [2024-11-23 23:02:50,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86926838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:50,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:50,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:02:50,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114896019] [2024-11-23 23:02:50,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:50,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:02:50,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:50,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:02:50,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:02:50,003 INFO L87 Difference]: Start difference. First operand 5115 states and 7010 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:02:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:50,336 INFO L93 Difference]: Finished difference Result 7943 states and 10836 transitions. [2024-11-23 23:02:50,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:02:50,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 186 [2024-11-23 23:02:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:50,355 INFO L225 Difference]: With dead ends: 7943 [2024-11-23 23:02:50,355 INFO L226 Difference]: Without dead ends: 2831 [2024-11-23 23:02:50,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:02:50,370 INFO L435 NwaCegarLoop]: 894 mSDtfsCounter, 0 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:50,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3569 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:02:50,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2024-11-23 23:02:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2831. [2024-11-23 23:02:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2069 states have (on average 1.3093281778637023) internal successors, (2709), 2129 states have internal predecessors, (2709), 560 states have call successors, (560), 205 states have call predecessors, (560), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-11-23 23:02:50,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3825 transitions. [2024-11-23 23:02:50,567 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3825 transitions. Word has length 186 [2024-11-23 23:02:50,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:50,570 INFO L471 AbstractCegarLoop]: Abstraction has 2831 states and 3825 transitions. [2024-11-23 23:02:50,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:02:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3825 transitions. [2024-11-23 23:02:50,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-23 23:02:50,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:50,578 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:50,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:02:50,578 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:50,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:50,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1286738880, now seen corresponding path program 1 times [2024-11-23 23:02:50,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:50,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280869397] [2024-11-23 23:02:50,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:50,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-23 23:02:52,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:52,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280869397] [2024-11-23 23:02:52,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280869397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:52,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:52,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:52,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534631077] [2024-11-23 23:02:52,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:52,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:52,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:52,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:52,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:52,443 INFO L87 Difference]: Start difference. First operand 2831 states and 3825 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:02:56,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:02:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:02:56,738 INFO L93 Difference]: Finished difference Result 2836 states and 3828 transitions. [2024-11-23 23:02:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:02:56,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 186 [2024-11-23 23:02:56,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:02:56,759 INFO L225 Difference]: With dead ends: 2836 [2024-11-23 23:02:56,760 INFO L226 Difference]: Without dead ends: 2833 [2024-11-23 23:02:56,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:56,763 INFO L435 NwaCegarLoop]: 902 mSDtfsCounter, 51 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:02:56,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1743 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:02:56,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2024-11-23 23:02:56,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2830. [2024-11-23 23:02:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2069 states have (on average 1.3073948767520542) internal successors, (2705), 2128 states have internal predecessors, (2705), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-11-23 23:02:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3820 transitions. [2024-11-23 23:02:56,956 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3820 transitions. Word has length 186 [2024-11-23 23:02:56,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:02:56,959 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3820 transitions. [2024-11-23 23:02:56,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:02:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3820 transitions. [2024-11-23 23:02:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-23 23:02:56,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:02:56,967 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:02:56,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:02:56,967 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:02:56,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:02:56,968 INFO L85 PathProgramCache]: Analyzing trace with hash -2027611886, now seen corresponding path program 1 times [2024-11-23 23:02:56,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:02:56,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521941799] [2024-11-23 23:02:56,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:02:56,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:02:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:02:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-23 23:02:58,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:02:58,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521941799] [2024-11-23 23:02:58,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521941799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:02:58,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:02:58,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:02:58,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844994939] [2024-11-23 23:02:58,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:02:58,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:02:58,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:02:58,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:02:58,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:02:58,463 INFO L87 Difference]: Start difference. First operand 2830 states and 3820 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:03:02,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:03:02,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:02,708 INFO L93 Difference]: Finished difference Result 2833 states and 3822 transitions. [2024-11-23 23:03:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:03:02,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2024-11-23 23:03:02,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:02,724 INFO L225 Difference]: With dead ends: 2833 [2024-11-23 23:03:02,724 INFO L226 Difference]: Without dead ends: 2830 [2024-11-23 23:03:02,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:03:02,769 INFO L435 NwaCegarLoop]: 900 mSDtfsCounter, 81 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:02,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1772 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:03:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2024-11-23 23:03:02,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2830. [2024-11-23 23:03:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2069 states have (on average 1.3035282745287577) internal successors, (2697), 2128 states have internal predecessors, (2697), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-11-23 23:03:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3812 transitions. [2024-11-23 23:03:02,951 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3812 transitions. Word has length 187 [2024-11-23 23:03:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:02,951 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3812 transitions. [2024-11-23 23:03:02,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:03:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3812 transitions. [2024-11-23 23:03:02,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-23 23:03:02,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:03:02,958 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:03:02,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:03:02,958 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:03:02,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:03:02,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1874328400, now seen corresponding path program 1 times [2024-11-23 23:03:02,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:03:02,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213283477] [2024-11-23 23:03:02,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:03:02,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:03:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:03:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-23 23:03:04,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:03:04,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213283477] [2024-11-23 23:03:04,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213283477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:03:04,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:03:04,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:03:04,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959898474] [2024-11-23 23:03:04,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:03:04,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:03:04,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:03:04,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:03:04,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:03:04,666 INFO L87 Difference]: Start difference. First operand 2830 states and 3812 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:03:04,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:03:04,939 INFO L93 Difference]: Finished difference Result 2830 states and 3812 transitions. [2024-11-23 23:03:04,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:03:04,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2024-11-23 23:03:04,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:03:04,943 INFO L225 Difference]: With dead ends: 2830 [2024-11-23 23:03:04,943 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:03:04,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:03:04,951 INFO L435 NwaCegarLoop]: 891 mSDtfsCounter, 0 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:03:04,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3553 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:03:04,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:03:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:03:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:03:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:03:04,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2024-11-23 23:03:04,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:03:04,955 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:03:04,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:03:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:03:04,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:03:04,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:03:04,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:03:04,964 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:03:04,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:04:44,611 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:04:44,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:04:44 BoogieIcfgContainer [2024-11-23 23:04:44,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:04:44,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:04:44,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:04:44,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:04:44,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:02:05" (3/4) ... [2024-11-23 23:04:44,634 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_set [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#19 [2024-11-23 23:04:44,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#18 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_status [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_remove [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_regions [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_poll [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#21 [2024-11-23 23:04:44,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#20 [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iomap [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iounmap [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure class_destroy [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure class_remove_file [2024-11-23 23:04:44,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_chrdev_region [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_pr_debug [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-23 23:04:44,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_ioctl [2024-11-23 23:04:44,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_phantom_mutex [2024-11-23 23:04:44,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-23 23:04:44,688 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 328 nodes and edges [2024-11-23 23:04:44,691 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 148 nodes and edges [2024-11-23 23:04:44,693 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-11-23 23:04:44,696 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-23 23:04:44,699 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 23:04:44,701 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:04:44,704 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:04:44,710 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:04:45,039 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:04:45,039 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:04:45,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:04:45,040 INFO L158 Benchmark]: Toolchain (without parser) took 170838.71ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 87.0MB in the beginning and 218.0MB in the end (delta: -131.0MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. [2024-11-23 23:04:45,041 INFO L158 Benchmark]: CDTParser took 2.22ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:04:45,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1868.20ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 44.9MB in the end (delta: 41.7MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-23 23:04:45,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 245.42ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 44.9MB in the beginning and 305.9MB in the end (delta: -261.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-23 23:04:45,043 INFO L158 Benchmark]: Boogie Preprocessor took 421.59ms. Allocated memory is still 352.3MB. Free memory was 305.9MB in the beginning and 269.5MB in the end (delta: 36.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 23:04:45,043 INFO L158 Benchmark]: RCFGBuilder took 8495.26ms. Allocated memory is still 352.3MB. Free memory was 269.5MB in the beginning and 154.5MB in the end (delta: 115.0MB). Peak memory consumption was 163.1MB. Max. memory is 16.1GB. [2024-11-23 23:04:45,043 INFO L158 Benchmark]: TraceAbstraction took 159389.74ms. Allocated memory was 352.3MB in the beginning and 310.4MB in the end (delta: -41.9MB). Free memory was 154.5MB in the beginning and 83.8MB in the end (delta: 70.6MB). Peak memory consumption was 862.1MB. Max. memory is 16.1GB. [2024-11-23 23:04:45,044 INFO L158 Benchmark]: Witness Printer took 408.57ms. Allocated memory is still 310.4MB. Free memory was 83.8MB in the beginning and 218.0MB in the end (delta: -134.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-23 23:04:45,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1868.20ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 44.9MB in the end (delta: 41.7MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 245.42ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 44.9MB in the beginning and 305.9MB in the end (delta: -261.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 421.59ms. Allocated memory is still 352.3MB. Free memory was 305.9MB in the beginning and 269.5MB in the end (delta: 36.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8495.26ms. Allocated memory is still 352.3MB. Free memory was 269.5MB in the beginning and 154.5MB in the end (delta: 115.0MB). Peak memory consumption was 163.1MB. Max. memory is 16.1GB. * TraceAbstraction took 159389.74ms. Allocated memory was 352.3MB in the beginning and 310.4MB in the end (delta: -41.9MB). Free memory was 154.5MB in the beginning and 83.8MB in the end (delta: 70.6MB). Peak memory consumption was 862.1MB. Max. memory is 16.1GB. * Witness Printer took 408.57ms. Allocated memory is still 310.4MB. Free memory was 83.8MB in the beginning and 218.0MB in the end (delta: -134.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3103]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3103] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4431]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 59 procedures, 785 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.7s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 35.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 7425 SdHoareTripleChecker+Valid, 33.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7425 mSDsluCounter, 23305 SdHoareTripleChecker+Invalid, 33.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10694 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 12611 mSDtfsCounter, 124 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5115occurred in iteration=9, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 143 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1207 NumberOfCodeBlocks, 1207 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 1538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 431/431 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3989]: Location Invariant Derived location invariant: (((((((ldv_mutex_open_lock_of_phantom_device == 1) && (ldv_state_variable_0 == 1)) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3989]: Location Invariant Derived location invariant: (((((((ldv_mutex_open_lock_of_phantom_device == 1) && (ldv_state_variable_0 == 1)) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3906]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3813]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3813]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 3578]: Location Invariant Derived location invariant: ((((((ldv_mutex_open_lock_of_phantom_device == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_phantom_mutex == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_retval_0 == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:04:45,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0152caac-f0d5-4045-9e15-8ef34d271a9c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE