./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/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_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-28 03:46:01,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:46:01,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:46:01,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:46:01,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:46:01,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:46:01,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:46:01,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:46:01,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:46:01,794 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:46:01,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:46:01,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:46:01,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:46:01,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:46:01,795 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:46:01,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:46:01,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:46:01,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:46:01,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:46:01,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:46:01,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:46:01,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:46:01,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:46:01,797 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:46:01,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:46:01,797 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:46:01,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:46:01,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:46:01,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:46:01,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:01,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:46:01,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:46:01,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:46:01,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:01,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:46:01,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:46:01,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:46:01,800 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_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 03:46:02,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:46:02,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:46:02,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:46:02,183 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:46:02,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:46:02,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-28 03:46:05,332 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/data/91b60bafc/3850e8a1fe984fd497d6d27e918099c6/FLAG71ce2a5aa [2024-11-28 03:46:05,964 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:46:05,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-28 03:46:05,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/data/91b60bafc/3850e8a1fe984fd497d6d27e918099c6/FLAG71ce2a5aa [2024-11-28 03:46:06,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/data/91b60bafc/3850e8a1fe984fd497d6d27e918099c6 [2024-11-28 03:46:06,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:46:06,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:46:06,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:46:06,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:46:06,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:46:06,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:46:06" (1/1) ... [2024-11-28 03:46:06,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa8436e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:06, skipping insertion in model container [2024-11-28 03:46:06,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:46:06" (1/1) ... [2024-11-28 03:46:06,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:46:07,827 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_158b5001-d677-4416-8292-f2a4395b3db1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-28 03:46:07,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:46:08,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:46:08,163 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] [2024-11-28 03:46:08,395 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_158b5001-d677-4416-8292-f2a4395b3db1/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-28 03:46:08,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:46:08,517 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:46:08,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08 WrapperNode [2024-11-28 03:46:08,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:46:08,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:46:08,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:46:08,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:46:08,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:08,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:08,690 INFO L138 Inliner]: procedures = 175, calls = 882, calls flagged for inlining = 78, calls inlined = 65, statements flattened = 1619 [2024-11-28 03:46:08,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:46:08,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:46:08,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:46:08,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:46:08,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:08,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:08,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:08,953 INFO L175 MemorySlicer]: Split 410 memory accesses to 22 slices as follows [2, 2, 56, 49, 12, 8, 1, 28, 42, 108, 3, 2, 2, 8, 18, 4, 8, 2, 1, 8, 38, 8]. 26 percent of accesses are in the largest equivalence class. The 130 initializations are split as follows [2, 0, 56, 0, 8, 8, 0, 0, 0, 0, 0, 0, 1, 8, 0, 0, 8, 0, 0, 8, 23, 8]. The 190 writes are split as follows [0, 0, 0, 42, 3, 0, 0, 28, 42, 41, 1, 0, 0, 0, 18, 0, 0, 0, 0, 0, 15, 0]. [2024-11-28 03:46:08,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:08,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:09,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:09,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:09,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:09,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:09,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:09,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:46:09,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:46:09,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:46:09,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:46:09,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (1/1) ... [2024-11-28 03:46:09,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:46:09,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:46:09,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:46:09,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:46:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-28 03:46:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-28 03:46:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:46:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:46:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:46:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:46:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:46:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:46:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:46:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:46:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:46:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:46:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:46:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:46:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:46:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:46:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:46:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:46:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:46:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 03:46:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 03:46:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 03:46:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 03:46:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 03:46:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:46:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:46:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:46:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:46:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 03:46:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 03:46:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 03:46:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 03:46:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 03:46:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 03:46:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:46:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:46:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:46:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:46:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:46:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:46:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:46:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:46:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:46:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 03:46:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:46:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:46:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 03:46:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 03:46:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 03:46:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 03:46:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 03:46:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-28 03:46:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-28 03:46:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:46:09,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:46:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 03:46:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 03:46:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-28 03:46:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:46:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 03:46:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 03:46:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-28 03:46:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-28 03:46:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:46:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 03:46:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 03:46:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 03:46:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 03:46:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 03:46:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2024-11-28 03:46:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2024-11-28 03:46:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 03:46:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 03:46:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-28 03:46:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-28 03:46:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:46:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:46:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-28 03:46:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-28 03:46:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-28 03:46:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-28 03:46:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:46:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:46:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-28 03:46:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-28 03:46:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-28 03:46:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-28 03:46:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:46:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 03:46:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 03:46:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 03:46:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 03:46:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-28 03:46:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-28 03:46:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:46:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2024-11-28 03:46:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2024-11-28 03:46:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:46:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2024-11-28 03:46:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2024-11-28 03:46:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2024-11-28 03:46:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2024-11-28 03:46:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:46:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:46:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:46:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:46:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:46:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:46:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:46:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:46:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:46:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-28 03:46:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-28 03:46:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-28 03:46:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 03:46:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-28 03:46:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-28 03:46:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:46:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 03:46:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-11-28 03:46:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-28 03:46:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:46:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:46:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:46:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 03:46:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 03:46:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 03:46:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:46:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:46:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:46:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:46:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:46:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:46:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 03:46:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-28 03:46:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:46:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:46:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2024-11-28 03:46:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2024-11-28 03:46:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2024-11-28 03:46:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2024-11-28 03:46:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 03:46:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 03:46:10,154 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:46:10,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:46:18,703 INFO L? ?]: Removed 1082 outVars from TransFormulas that were not future-live. [2024-11-28 03:46:18,704 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:46:18,736 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:46:18,737 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:46:18,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:18 BoogieIcfgContainer [2024-11-28 03:46:18,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:46:18,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:46:18,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:46:18,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:46:18,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:46:06" (1/3) ... [2024-11-28 03:46:18,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e319729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:46:18, skipping insertion in model container [2024-11-28 03:46:18,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:46:08" (2/3) ... [2024-11-28 03:46:18,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e319729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:46:18, skipping insertion in model container [2024-11-28 03:46:18,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:18" (3/3) ... [2024-11-28 03:46:18,750 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-28 03:46:18,769 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:46:18,774 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. [2024-11-28 03:46:18,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:46:18,924 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;@723b4cc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:46:18,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:46:18,932 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) [2024-11-28 03:46:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 03:46:18,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:18,942 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:46:18,943 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:18,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:18,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1944159067, now seen corresponding path program 1 times [2024-11-28 03:46:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607914559] [2024-11-28 03:46:18,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:18,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:22,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:22,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607914559] [2024-11-28 03:46:22,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607914559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:22,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:22,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:22,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593720926] [2024-11-28 03:46:22,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:22,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:22,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:22,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:22,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:22,110 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) [2024-11-28 03:46:22,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:22,614 INFO L93 Difference]: Finished difference Result 1602 states and 2277 transitions. [2024-11-28 03:46:22,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:22,617 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 [2024-11-28 03:46:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:22,656 INFO L225 Difference]: With dead ends: 1602 [2024-11-28 03:46:22,658 INFO L226 Difference]: Without dead ends: 917 [2024-11-28 03:46:22,674 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 [2024-11-28 03:46:22,680 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 [2024-11-28 03:46:22,682 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] [2024-11-28 03:46:22,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-28 03:46:22,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 890. [2024-11-28 03:46:22,861 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) [2024-11-28 03:46:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1225 transitions. [2024-11-28 03:46:22,891 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1225 transitions. Word has length 13 [2024-11-28 03:46:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:22,892 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1225 transitions. [2024-11-28 03:46:22,892 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) [2024-11-28 03:46:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1225 transitions. [2024-11-28 03:46:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 03:46:22,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:22,896 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] [2024-11-28 03:46:22,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:46:22,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:22,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:22,898 INFO L85 PathProgramCache]: Analyzing trace with hash 30224340, now seen corresponding path program 1 times [2024-11-28 03:46:22,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:22,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332310499] [2024-11-28 03:46:22,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:22,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:25,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:25,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:25,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332310499] [2024-11-28 03:46:25,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332310499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:25,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:25,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:25,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956923121] [2024-11-28 03:46:25,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:25,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:25,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:25,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:25,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:25,320 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) [2024-11-28 03:46:29,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:46:29,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:29,726 INFO L93 Difference]: Finished difference Result 2561 states and 3522 transitions. [2024-11-28 03:46:29,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:29,727 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 [2024-11-28 03:46:29,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:29,748 INFO L225 Difference]: With dead ends: 2561 [2024-11-28 03:46:29,748 INFO L226 Difference]: Without dead ends: 1674 [2024-11-28 03:46:29,753 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 [2024-11-28 03:46:29,757 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 [2024-11-28 03:46:29,757 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] [2024-11-28 03:46:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2024-11-28 03:46:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1667. [2024-11-28 03:46:29,945 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) [2024-11-28 03:46:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2288 transitions. [2024-11-28 03:46:29,968 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2288 transitions. Word has length 35 [2024-11-28 03:46:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:29,969 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2288 transitions. [2024-11-28 03:46:29,969 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) [2024-11-28 03:46:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2288 transitions. [2024-11-28 03:46:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:46:29,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:29,978 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] [2024-11-28 03:46:29,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:46:29,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:29,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:29,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1064351123, now seen corresponding path program 1 times [2024-11-28 03:46:29,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:29,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399699653] [2024-11-28 03:46:29,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:32,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:32,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399699653] [2024-11-28 03:46:32,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399699653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:32,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:32,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:32,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322167022] [2024-11-28 03:46:32,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:32,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:32,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:32,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:32,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:32,137 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) [2024-11-28 03:46:32,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:32,308 INFO L93 Difference]: Finished difference Result 1693 states and 2320 transitions. [2024-11-28 03:46:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:32,309 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 [2024-11-28 03:46:32,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:32,329 INFO L225 Difference]: With dead ends: 1693 [2024-11-28 03:46:32,330 INFO L226 Difference]: Without dead ends: 1680 [2024-11-28 03:46:32,332 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 [2024-11-28 03:46:32,333 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 [2024-11-28 03:46:32,334 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] [2024-11-28 03:46:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-11-28 03:46:32,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1667. [2024-11-28 03:46:32,460 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) [2024-11-28 03:46:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2286 transitions. [2024-11-28 03:46:32,478 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2286 transitions. Word has length 42 [2024-11-28 03:46:32,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:32,479 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2286 transitions. [2024-11-28 03:46:32,479 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) [2024-11-28 03:46:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2286 transitions. [2024-11-28 03:46:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 03:46:32,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:32,484 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] [2024-11-28 03:46:32,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:46:32,485 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:32,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:32,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1007092821, now seen corresponding path program 1 times [2024-11-28 03:46:32,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:32,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124401815] [2024-11-28 03:46:32,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:32,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:34,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:34,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124401815] [2024-11-28 03:46:34,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124401815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:34,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:34,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:34,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007340687] [2024-11-28 03:46:34,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:34,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:34,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:34,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:34,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:34,462 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) [2024-11-28 03:46:38,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:46:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:38,721 INFO L93 Difference]: Finished difference Result 1669 states and 2287 transitions. [2024-11-28 03:46:38,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:38,722 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 [2024-11-28 03:46:38,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:38,738 INFO L225 Difference]: With dead ends: 1669 [2024-11-28 03:46:38,738 INFO L226 Difference]: Without dead ends: 1666 [2024-11-28 03:46:38,739 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 [2024-11-28 03:46:38,741 INFO L435 NwaCegarLoop]: 935 mSDtfsCounter, 912 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:46:38,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 935 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 03:46:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-11-28 03:46:38,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2024-11-28 03:46:38,862 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) [2024-11-28 03:46:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2284 transitions. [2024-11-28 03:46:38,879 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2284 transitions. Word has length 42 [2024-11-28 03:46:38,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:38,880 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2284 transitions. [2024-11-28 03:46:38,880 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) [2024-11-28 03:46:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2284 transitions. [2024-11-28 03:46:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 03:46:38,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:38,882 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] [2024-11-28 03:46:38,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:46:38,883 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:38,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:38,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1155424246, now seen corresponding path program 1 times [2024-11-28 03:46:38,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:38,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750217004] [2024-11-28 03:46:38,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:38,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:40,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:40,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750217004] [2024-11-28 03:46:40,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750217004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:40,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:40,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:40,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084344028] [2024-11-28 03:46:40,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:40,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:40,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:40,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:40,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:40,747 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) [2024-11-28 03:46:44,810 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 [] [2024-11-28 03:46:44,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:44,996 INFO L93 Difference]: Finished difference Result 1668 states and 2285 transitions. [2024-11-28 03:46:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:44,998 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 [2024-11-28 03:46:45,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:45,011 INFO L225 Difference]: With dead ends: 1668 [2024-11-28 03:46:45,012 INFO L226 Difference]: Without dead ends: 1665 [2024-11-28 03:46:45,013 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 [2024-11-28 03:46:45,016 INFO L435 NwaCegarLoop]: 933 mSDtfsCounter, 909 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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 [2024-11-28 03:46:45,017 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] [2024-11-28 03:46:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2024-11-28 03:46:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2024-11-28 03:46:45,161 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) [2024-11-28 03:46:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2282 transitions. [2024-11-28 03:46:45,180 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2282 transitions. Word has length 43 [2024-11-28 03:46:45,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:45,181 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2282 transitions. [2024-11-28 03:46:45,181 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) [2024-11-28 03:46:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2282 transitions. [2024-11-28 03:46:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 03:46:45,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:45,184 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] [2024-11-28 03:46:45,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:46:45,184 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:45,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:45,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1458726258, now seen corresponding path program 1 times [2024-11-28 03:46:45,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:45,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423701746] [2024-11-28 03:46:45,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:45,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:47,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:47,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423701746] [2024-11-28 03:46:47,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423701746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:47,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:47,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:47,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798058002] [2024-11-28 03:46:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:47,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:47,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:47,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:47,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:47,289 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) [2024-11-28 03:46:51,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:46:51,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:51,569 INFO L93 Difference]: Finished difference Result 1667 states and 2283 transitions. [2024-11-28 03:46:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:51,574 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 [2024-11-28 03:46:51,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:51,589 INFO L225 Difference]: With dead ends: 1667 [2024-11-28 03:46:51,589 INFO L226 Difference]: Without dead ends: 1664 [2024-11-28 03:46:51,591 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 [2024-11-28 03:46:51,592 INFO L435 NwaCegarLoop]: 931 mSDtfsCounter, 906 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:46:51,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 931 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 03:46:51,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2024-11-28 03:46:51,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2024-11-28 03:46:51,721 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) [2024-11-28 03:46:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2280 transitions. [2024-11-28 03:46:51,739 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2280 transitions. Word has length 44 [2024-11-28 03:46:51,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:51,739 INFO L471 AbstractCegarLoop]: Abstraction has 1664 states and 2280 transitions. [2024-11-28 03:46:51,740 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) [2024-11-28 03:46:51,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2280 transitions. [2024-11-28 03:46:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-28 03:46:51,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:51,743 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] [2024-11-28 03:46:51,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:46:51,744 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:51,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2023818125, now seen corresponding path program 1 times [2024-11-28 03:46:51,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:51,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409801686] [2024-11-28 03:46:51,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:51,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:53,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:53,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409801686] [2024-11-28 03:46:53,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409801686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:53,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:53,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:53,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614765058] [2024-11-28 03:46:53,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:53,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:53,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:53,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:53,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:53,273 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) [2024-11-28 03:46:57,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:46:57,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:46:57,728 INFO L93 Difference]: Finished difference Result 4923 states and 6747 transitions. [2024-11-28 03:46:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:46:57,728 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 [2024-11-28 03:46:57,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:46:57,753 INFO L225 Difference]: With dead ends: 4923 [2024-11-28 03:46:57,753 INFO L226 Difference]: Without dead ends: 3262 [2024-11-28 03:46:57,762 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 [2024-11-28 03:46:57,763 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 [2024-11-28 03:46:57,763 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] [2024-11-28 03:46:57,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2024-11-28 03:46:57,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3252. [2024-11-28 03:46:58,001 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) [2024-11-28 03:46:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4450 transitions. [2024-11-28 03:46:58,023 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4450 transitions. Word has length 45 [2024-11-28 03:46:58,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:46:58,024 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4450 transitions. [2024-11-28 03:46:58,024 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) [2024-11-28 03:46:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4450 transitions. [2024-11-28 03:46:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 03:46:58,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:46:58,031 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] [2024-11-28 03:46:58,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:46:58,032 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:46:58,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:46:58,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1686450831, now seen corresponding path program 1 times [2024-11-28 03:46:58,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:46:58,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200301398] [2024-11-28 03:46:58,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:46:58,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:46:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:46:59,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:46:59,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:46:59,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200301398] [2024-11-28 03:46:59,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200301398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:46:59,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:46:59,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:46:59,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275453342] [2024-11-28 03:46:59,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:46:59,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:46:59,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:46:59,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:46:59,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:46:59,573 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) [2024-11-28 03:47:03,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:47:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:47:03,911 INFO L93 Difference]: Finished difference Result 3303 states and 4487 transitions. [2024-11-28 03:47:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:47:03,912 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 [2024-11-28 03:47:03,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:47:03,939 INFO L225 Difference]: With dead ends: 3303 [2024-11-28 03:47:03,939 INFO L226 Difference]: Without dead ends: 3248 [2024-11-28 03:47:03,942 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 [2024-11-28 03:47:03,944 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 [2024-11-28 03:47:03,944 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] [2024-11-28 03:47:03,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2024-11-28 03:47:04,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3227. [2024-11-28 03:47:04,200 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) [2024-11-28 03:47:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4395 transitions. [2024-11-28 03:47:04,218 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4395 transitions. Word has length 46 [2024-11-28 03:47:04,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:47:04,219 INFO L471 AbstractCegarLoop]: Abstraction has 3227 states and 4395 transitions. [2024-11-28 03:47:04,219 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) [2024-11-28 03:47:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4395 transitions. [2024-11-28 03:47:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 03:47:04,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:47:04,231 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] [2024-11-28 03:47:04,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:47:04,231 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:47:04,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:47:04,232 INFO L85 PathProgramCache]: Analyzing trace with hash -838290608, now seen corresponding path program 1 times [2024-11-28 03:47:04,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:47:04,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111398080] [2024-11-28 03:47:04,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:47:04,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:47:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:47:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 03:47:06,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:47:06,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111398080] [2024-11-28 03:47:06,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111398080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:47:06,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:47:06,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:47:06,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014982120] [2024-11-28 03:47:06,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:47:06,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:47:06,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:47:06,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:47:06,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:47:06,523 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) [2024-11-28 03:47:07,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:47:07,062 INFO L93 Difference]: Finished difference Result 8401 states and 11477 transitions. [2024-11-28 03:47:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:47:07,063 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 [2024-11-28 03:47:07,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:47:07,104 INFO L225 Difference]: With dead ends: 8401 [2024-11-28 03:47:07,104 INFO L226 Difference]: Without dead ends: 5177 [2024-11-28 03:47:07,120 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 [2024-11-28 03:47:07,123 INFO L435 NwaCegarLoop]: 1429 mSDtfsCounter, 666 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-28 03:47:07,124 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] [2024-11-28 03:47:07,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2024-11-28 03:47:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 5115. [2024-11-28 03:47:07,515 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) [2024-11-28 03:47:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7010 transitions. [2024-11-28 03:47:07,548 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7010 transitions. Word has length 151 [2024-11-28 03:47:07,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:47:07,548 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7010 transitions. [2024-11-28 03:47:07,549 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) [2024-11-28 03:47:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7010 transitions. [2024-11-28 03:47:07,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 03:47:07,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:47:07,564 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] [2024-11-28 03:47:07,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:47:07,564 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:47:07,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:47:07,565 INFO L85 PathProgramCache]: Analyzing trace with hash 606680510, now seen corresponding path program 1 times [2024-11-28 03:47:07,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:47:07,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778115535] [2024-11-28 03:47:07,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:47:07,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:47:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:47:10,378 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-28 03:47:10,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:47:10,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778115535] [2024-11-28 03:47:10,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778115535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:47:10,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:47:10,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:47:10,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606038167] [2024-11-28 03:47:10,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:47:10,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:47:10,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:47:10,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:47:10,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:47:10,383 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) [2024-11-28 03:47:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:47:10,772 INFO L93 Difference]: Finished difference Result 7943 states and 10836 transitions. [2024-11-28 03:47:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:47:10,773 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 [2024-11-28 03:47:10,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:47:10,799 INFO L225 Difference]: With dead ends: 7943 [2024-11-28 03:47:10,800 INFO L226 Difference]: Without dead ends: 2831 [2024-11-28 03:47:10,820 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 [2024-11-28 03:47:10,821 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 [2024-11-28 03:47:10,822 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] [2024-11-28 03:47:10,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2024-11-28 03:47:11,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2831. [2024-11-28 03:47:11,057 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) [2024-11-28 03:47:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3825 transitions. [2024-11-28 03:47:11,081 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3825 transitions. Word has length 186 [2024-11-28 03:47:11,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:47:11,082 INFO L471 AbstractCegarLoop]: Abstraction has 2831 states and 3825 transitions. [2024-11-28 03:47:11,083 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) [2024-11-28 03:47:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3825 transitions. [2024-11-28 03:47:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 03:47:11,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:47:11,091 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] [2024-11-28 03:47:11,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:47:11,092 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:47:11,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:47:11,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1286738880, now seen corresponding path program 1 times [2024-11-28 03:47:11,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:47:11,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078272576] [2024-11-28 03:47:11,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:47:11,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:47:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:47:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-28 03:47:13,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:47:13,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078272576] [2024-11-28 03:47:13,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078272576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:47:13,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:47:13,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:47:13,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041691897] [2024-11-28 03:47:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:47:13,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:47:13,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:47:13,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:47:13,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:47:13,107 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) [2024-11-28 03:47:17,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:47:17,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:47:17,457 INFO L93 Difference]: Finished difference Result 2836 states and 3828 transitions. [2024-11-28 03:47:17,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:47:17,458 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 [2024-11-28 03:47:17,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:47:17,487 INFO L225 Difference]: With dead ends: 2836 [2024-11-28 03:47:17,487 INFO L226 Difference]: Without dead ends: 2833 [2024-11-28 03:47:17,489 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 [2024-11-28 03:47:17,490 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:47:17,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1743 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 03:47:17,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2024-11-28 03:47:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2830. [2024-11-28 03:47:17,704 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) [2024-11-28 03:47:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3820 transitions. [2024-11-28 03:47:17,722 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3820 transitions. Word has length 186 [2024-11-28 03:47:17,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:47:17,723 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3820 transitions. [2024-11-28 03:47:17,724 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) [2024-11-28 03:47:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3820 transitions. [2024-11-28 03:47:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 03:47:17,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:47:17,732 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] [2024-11-28 03:47:17,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:47:17,733 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:47:17,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:47:17,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2027611886, now seen corresponding path program 1 times [2024-11-28 03:47:17,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:47:17,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718358512] [2024-11-28 03:47:17,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:47:17,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:47:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:47:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-28 03:47:19,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:47:19,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718358512] [2024-11-28 03:47:19,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718358512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:47:19,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:47:19,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:47:19,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232719321] [2024-11-28 03:47:19,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:47:19,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:47:19,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:47:19,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:47:19,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:47:19,762 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) [2024-11-28 03:47:23,806 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 [] [2024-11-28 03:47:24,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:47:24,053 INFO L93 Difference]: Finished difference Result 2833 states and 3822 transitions. [2024-11-28 03:47:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:47:24,054 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 [2024-11-28 03:47:24,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:47:24,074 INFO L225 Difference]: With dead ends: 2833 [2024-11-28 03:47:24,074 INFO L226 Difference]: Without dead ends: 2830 [2024-11-28 03:47:24,076 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 [2024-11-28 03:47:24,077 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 [2024-11-28 03:47:24,077 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] [2024-11-28 03:47:24,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2024-11-28 03:47:24,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2830. [2024-11-28 03:47:24,277 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) [2024-11-28 03:47:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3812 transitions. [2024-11-28 03:47:24,294 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3812 transitions. Word has length 187 [2024-11-28 03:47:24,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:47:24,295 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3812 transitions. [2024-11-28 03:47:24,295 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) [2024-11-28 03:47:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3812 transitions. [2024-11-28 03:47:24,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 03:47:24,302 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:47:24,302 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] [2024-11-28 03:47:24,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:47:24,303 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:47:24,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:47:24,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1874328400, now seen corresponding path program 1 times [2024-11-28 03:47:24,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:47:24,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026223225] [2024-11-28 03:47:24,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:47:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:47:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:47:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-28 03:47:27,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:47:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026223225] [2024-11-28 03:47:27,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026223225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:47:27,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:47:27,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:47:27,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446521993] [2024-11-28 03:47:27,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:47:27,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:47:27,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:47:27,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:47:27,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:47:27,049 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) [2024-11-28 03:47:27,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:47:27,392 INFO L93 Difference]: Finished difference Result 2830 states and 3812 transitions. [2024-11-28 03:47:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:47:27,393 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 [2024-11-28 03:47:27,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:47:27,397 INFO L225 Difference]: With dead ends: 2830 [2024-11-28 03:47:27,397 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:47:27,406 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 [2024-11-28 03:47:27,407 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 [2024-11-28 03:47:27,407 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] [2024-11-28 03:47:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:47:27,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:47:27,408 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) [2024-11-28 03:47:27,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:47:27,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2024-11-28 03:47:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:47:27,412 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:47:27,412 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) [2024-11-28 03:47:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:47:27,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:47:27,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:47:27,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:47:27,421 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:47:27,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:49:12,249 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:49:12,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:49:12 BoogieIcfgContainer [2024-11-28 03:49:12,271 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:49:12,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:49:12,271 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:49:12,272 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:49:12,273 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:46:18" (3/4) ... [2024-11-28 03:49:12,275 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:49:12,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-11-28 03:49:12,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-28 03:49:12,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-28 03:49:12,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_set [2024-11-28 03:49:12,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#19 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#18 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_status [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_remove [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_regions [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_poll [2024-11-28 03:49:12,287 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#21 [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#20 [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-11-28 03:49:12,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iomap [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iounmap [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure class_destroy [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure class_remove_file [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_chrdev_region [2024-11-28 03:49:12,292 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_pr_debug [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-28 03:49:12,293 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-28 03:49:12,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-28 03:49:12,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_ioctl [2024-11-28 03:49:12,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_phantom_mutex [2024-11-28 03:49:12,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-28 03:49:12,330 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 328 nodes and edges [2024-11-28 03:49:12,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 148 nodes and edges [2024-11-28 03:49:12,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-11-28 03:49:12,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-28 03:49:12,341 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 03:49:12,344 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:49:12,347 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:49:12,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:49:12,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:49:12,673 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:49:12,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:49:12,674 INFO L158 Benchmark]: Toolchain (without parser) took 186241.32ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 111.2MB in the beginning and 85.5MB in the end (delta: 25.6MB). Peak memory consumption was 188.2MB. Max. memory is 16.1GB. [2024-11-28 03:49:12,675 INFO L158 Benchmark]: CDTParser took 3.06ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:49:12,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2086.22ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 81.4MB in the end (delta: 29.6MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-11-28 03:49:12,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.95ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 71.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:49:12,676 INFO L158 Benchmark]: Boogie Preprocessor took 513.56ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 83.3MB in the end (delta: -12.0MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-28 03:49:12,677 INFO L158 Benchmark]: RCFGBuilder took 9532.20ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 83.3MB in the beginning and 45.8MB in the end (delta: 37.5MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2024-11-28 03:49:12,677 INFO L158 Benchmark]: TraceAbstraction took 173530.40ms. Allocated memory was 176.2MB in the beginning and 310.4MB in the end (delta: 134.2MB). Free memory was 45.8MB in the beginning and 118.8MB in the end (delta: -73.0MB). Peak memory consumption was 225.9MB. Max. memory is 16.1GB. [2024-11-28 03:49:12,677 INFO L158 Benchmark]: Witness Printer took 401.50ms. Allocated memory is still 310.4MB. Free memory was 118.8MB in the beginning and 85.5MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 03:49:12,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.06ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2086.22ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 81.4MB in the end (delta: 29.6MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.95ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 71.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 513.56ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 83.3MB in the end (delta: -12.0MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9532.20ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 83.3MB in the beginning and 45.8MB in the end (delta: 37.5MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * TraceAbstraction took 173530.40ms. Allocated memory was 176.2MB in the beginning and 310.4MB in the end (delta: 134.2MB). Free memory was 45.8MB in the beginning and 118.8MB in the end (delta: -73.0MB). Peak memory consumption was 225.9MB. Max. memory is 16.1GB. * Witness Printer took 401.50ms. Allocated memory is still 310.4MB. Free memory was 118.8MB in the beginning and 85.5MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. 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: 68.6s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 37.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 7425 SdHoareTripleChecker+Valid, 34.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7425 mSDsluCounter, 23305 SdHoareTripleChecker+Invalid, 33.4s 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, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s 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: 2.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 143 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 5.6s 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! [2024-11-28 03:49:12,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_158b5001-d677-4416-8292-f2a4395b3db1/bin/uautomizer-verify-aQ6SnzHsRB/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