./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.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_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/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_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/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_15dbc0bc-5d91-4291-81e2-b3159bbab058/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 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:43:56,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:43:56,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:43:56,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:43:56,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:43:56,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:43:56,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:43:56,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:43:56,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:43:56,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:43:56,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:43:56,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:43:56,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:43:56,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:43:56,226 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:43:56,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:43:56,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:43:56,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:43:56,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:43:56,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:43:56,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:43:56,228 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:56,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:56,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:43:56,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:43:56,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:43:56,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:43:56,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:43:56,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:43:56,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:43:56,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:43:56,231 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_15dbc0bc-5d91-4291-81e2-b3159bbab058/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 -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2024-11-28 04:43:56,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:43:56,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:43:56,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:43:56,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:43:56,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:43:56,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-28 04:43:59,630 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/data/def75fa84/2297570850204e2eae8172843c153cbe/FLAG2eded5dfd [2024-11-28 04:44:00,312 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:44:00,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-28 04:44:00,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/data/def75fa84/2297570850204e2eae8172843c153cbe/FLAG2eded5dfd [2024-11-28 04:44:00,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/data/def75fa84/2297570850204e2eae8172843c153cbe [2024-11-28 04:44:00,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:44:00,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:44:00,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:00,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:44:00,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:44:00,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:00" (1/1) ... [2024-11-28 04:44:00,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e23de39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:00, skipping insertion in model container [2024-11-28 04:44:00,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:00" (1/1) ... [2024-11-28 04:44:00,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:44:01,578 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_15dbc0bc-5d91-4291-81e2-b3159bbab058/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-11-28 04:44:01,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:01,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:44:01,922 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)); [2827] [2024-11-28 04:44:01,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] [2024-11-28 04:44:02,121 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_15dbc0bc-5d91-4291-81e2-b3159bbab058/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2024-11-28 04:44:02,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:02,248 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:44:02,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02 WrapperNode [2024-11-28 04:44:02,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:02,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:02,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:44:02,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:44:02,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,480 INFO L138 Inliner]: procedures = 146, calls = 1519, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 2396 [2024-11-28 04:44:02,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:02,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:44:02,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:44:02,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:44:02,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,687 INFO L175 MemorySlicer]: Split 1097 memory accesses to 21 slices as follows [28, 3, 2, 11, 2, 1, 5, 392, 6, 29, 1, 11, 1, 5, 6, 512, 3, 24, 31, 13, 11]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [0, 0, 2, 11, 0, 1, 5, 176, 6, 29, 0, 11, 0, 0, 0, 512, 3, 0, 24, 13, 4]. The 201 writes are split as follows [28, 2, 0, 0, 2, 0, 0, 139, 0, 0, 0, 0, 0, 1, 5, 0, 0, 24, 0, 0, 0]. [2024-11-28 04:44:02,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,795 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:44:02,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:44:02,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:44:02,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:44:02,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (1/1) ... [2024-11-28 04:44:02,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:44:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:02,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:02,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:44:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-28 04:44:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-28 04:44:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-28 04:44:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-28 04:44:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-28 04:44:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-28 04:44:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2024-11-28 04:44:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2024-11-28 04:44:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-28 04:44:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-28 04:44:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:44:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:44:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:44:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:44:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:44:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:44:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:44:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:44:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:44:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:44:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:44:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:44:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:44:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:44:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:44:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:44:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 04:44:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 04:44:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:44:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:44:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:44:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:44:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:44:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:44:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 04:44:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-28 04:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-28 04:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-28 04:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-28 04:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2024-11-28 04:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2024-11-28 04:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2024-11-28 04:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2024-11-28 04:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2024-11-28 04:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2024-11-28 04:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2024-11-28 04:44:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2024-11-28 04:44:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:44:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:44:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:44:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:44:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 04:44:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2024-11-28 04:44:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 04:44:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 04:44:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2024-11-28 04:44:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2024-11-28 04:44:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2024-11-28 04:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2024-11-28 04:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 04:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2024-11-28 04:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-28 04:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2024-11-28 04:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2024-11-28 04:44:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-28 04:44:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-28 04:44:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 04:44:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 04:44:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:44:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:44:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:44:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:44:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:44:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:44:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-28 04:44:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2024-11-28 04:44:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:44:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:44:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:44:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:44:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:44:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 04:44:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 04:44:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 04:44:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 04:44:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 04:44:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2024-11-28 04:44:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2024-11-28 04:44:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2024-11-28 04:44:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2024-11-28 04:44:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-28 04:44:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-28 04:44:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-28 04:44:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:44:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 04:44:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 04:44:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 04:44:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 04:44:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 04:44:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 04:44:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-28 04:44:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-28 04:44:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-28 04:44:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-28 04:44:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-28 04:44:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-28 04:44:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 04:44:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 04:44:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2024-11-28 04:44:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2024-11-28 04:44:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-28 04:44:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-28 04:44:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-11-28 04:44:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-11-28 04:44:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2024-11-28 04:44:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 04:44:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2024-11-28 04:44:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-11-28 04:44:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2024-11-28 04:44:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-28 04:44:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:44:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:44:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-28 04:44:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-28 04:44:03,771 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:44:03,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:44:18,556 INFO L? ?]: Removed 705 outVars from TransFormulas that were not future-live. [2024-11-28 04:44:18,556 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:44:18,599 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:44:18,604 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 04:44:18,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:18 BoogieIcfgContainer [2024-11-28 04:44:18,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:44:18,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:44:18,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:44:18,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:44:18,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:44:00" (1/3) ... [2024-11-28 04:44:18,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c37c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:18, skipping insertion in model container [2024-11-28 04:44:18,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:02" (2/3) ... [2024-11-28 04:44:18,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c37c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:18, skipping insertion in model container [2024-11-28 04:44:18,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:18" (3/3) ... [2024-11-28 04:44:18,619 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2024-11-28 04:44:18,641 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:44:18,645 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i that has 45 procedures, 867 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:44:18,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:44:18,768 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;@1b6a8cea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:44:18,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:44:18,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 867 states, 634 states have (on average 1.391167192429022) internal successors, (882), 655 states have internal predecessors, (882), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-28 04:44:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 04:44:18,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:18,783 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:18,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:18,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1259046571, now seen corresponding path program 1 times [2024-11-28 04:44:18,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:18,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365440745] [2024-11-28 04:44:18,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:18,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:20,531 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 04:44:20,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:20,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365440745] [2024-11-28 04:44:20,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365440745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:20,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:20,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:44:20,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373327525] [2024-11-28 04:44:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:20,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:20,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:20,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:20,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:44:20,572 INFO L87 Difference]: Start difference. First operand has 867 states, 634 states have (on average 1.391167192429022) internal successors, (882), 655 states have internal predecessors, (882), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:21,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:21,218 INFO L93 Difference]: Finished difference Result 2117 states and 3142 transitions. [2024-11-28 04:44:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:21,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-28 04:44:21,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:21,256 INFO L225 Difference]: With dead ends: 2117 [2024-11-28 04:44:21,257 INFO L226 Difference]: Without dead ends: 1245 [2024-11-28 04:44:21,275 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 04:44:21,277 INFO L435 NwaCegarLoop]: 1549 mSDtfsCounter, 567 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:21,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2734 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:44:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2024-11-28 04:44:21,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1209. [2024-11-28 04:44:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 875 states have (on average 1.3714285714285714) internal successors, (1200), 896 states have internal predecessors, (1200), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-28 04:44:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1726 transitions. [2024-11-28 04:44:21,473 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1726 transitions. Word has length 19 [2024-11-28 04:44:21,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:21,476 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1726 transitions. [2024-11-28 04:44:21,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:21,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1726 transitions. [2024-11-28 04:44:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 04:44:21,478 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:21,478 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:21,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:44:21,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:21,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:21,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1789411670, now seen corresponding path program 1 times [2024-11-28 04:44:21,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:21,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789830726] [2024-11-28 04:44:21,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:21,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:22,604 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 04:44:22,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:22,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789830726] [2024-11-28 04:44:22,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789830726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:22,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:22,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:44:22,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176907966] [2024-11-28 04:44:22,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:22,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:22,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:22,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:22,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:44:22,609 INFO L87 Difference]: Start difference. First operand 1209 states and 1726 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 04:44:22,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:22,717 INFO L93 Difference]: Finished difference Result 2415 states and 3449 transitions. [2024-11-28 04:44:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:22,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 19 [2024-11-28 04:44:22,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:22,735 INFO L225 Difference]: With dead ends: 2415 [2024-11-28 04:44:22,737 INFO L226 Difference]: Without dead ends: 1209 [2024-11-28 04:44:22,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 04:44:22,743 INFO L435 NwaCegarLoop]: 1218 mSDtfsCounter, 1209 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:22,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1218 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:44:22,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2024-11-28 04:44:22,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2024-11-28 04:44:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 875 states have (on average 1.3691428571428572) internal successors, (1198), 896 states have internal predecessors, (1198), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-28 04:44:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1724 transitions. [2024-11-28 04:44:22,853 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1724 transitions. Word has length 19 [2024-11-28 04:44:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:22,853 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1724 transitions. [2024-11-28 04:44:22,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 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 04:44:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1724 transitions. [2024-11-28 04:44:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 04:44:22,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:22,857 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] [2024-11-28 04:44:22,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:44:22,857 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:22,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:22,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1707339384, now seen corresponding path program 1 times [2024-11-28 04:44:22,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:22,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924492574] [2024-11-28 04:44:22,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:24,033 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 04:44:24,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:24,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924492574] [2024-11-28 04:44:24,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924492574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:24,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:24,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:44:24,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95847854] [2024-11-28 04:44:24,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:24,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:24,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:24,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:24,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:44:24,037 INFO L87 Difference]: Start difference. First operand 1209 states and 1724 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:28,096 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 04:44:28,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:28,322 INFO L93 Difference]: Finished difference Result 3102 states and 4433 transitions. [2024-11-28 04:44:28,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:28,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-28 04:44:28,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:28,337 INFO L225 Difference]: With dead ends: 3102 [2024-11-28 04:44:28,337 INFO L226 Difference]: Without dead ends: 1896 [2024-11-28 04:44:28,342 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 04:44:28,343 INFO L435 NwaCegarLoop]: 2138 mSDtfsCounter, 1155 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:28,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 3146 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:44:28,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2024-11-28 04:44:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1892. [2024-11-28 04:44:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1377 states have (on average 1.373275236020334) internal successors, (1891), 1406 states have internal predecessors, (1891), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:44:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2703 transitions. [2024-11-28 04:44:28,512 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2703 transitions. Word has length 25 [2024-11-28 04:44:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:28,513 INFO L471 AbstractCegarLoop]: Abstraction has 1892 states and 2703 transitions. [2024-11-28 04:44:28,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2703 transitions. [2024-11-28 04:44:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 04:44:28,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:28,517 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] [2024-11-28 04:44:28,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:44:28,518 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:28,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash -731458117, now seen corresponding path program 1 times [2024-11-28 04:44:28,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:28,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139031256] [2024-11-28 04:44:28,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:28,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:29,356 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 04:44:29,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:29,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139031256] [2024-11-28 04:44:29,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139031256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:29,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:29,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:44:29,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31499908] [2024-11-28 04:44:29,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:29,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:29,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:29,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:29,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:44:29,360 INFO L87 Difference]: Start difference. First operand 1892 states and 2703 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:29,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:29,607 INFO L93 Difference]: Finished difference Result 3809 states and 5447 transitions. [2024-11-28 04:44:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:29,608 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-28 04:44:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:29,624 INFO L225 Difference]: With dead ends: 3809 [2024-11-28 04:44:29,625 INFO L226 Difference]: Without dead ends: 1920 [2024-11-28 04:44:29,633 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 04:44:29,634 INFO L435 NwaCegarLoop]: 1213 mSDtfsCounter, 14 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:29,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2422 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:44:29,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2024-11-28 04:44:29,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1894. [2024-11-28 04:44:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1379 states have (on average 1.372733865119652) internal successors, (1893), 1408 states have internal predecessors, (1893), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:44:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2705 transitions. [2024-11-28 04:44:29,768 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2705 transitions. Word has length 29 [2024-11-28 04:44:29,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:29,769 INFO L471 AbstractCegarLoop]: Abstraction has 1894 states and 2705 transitions. [2024-11-28 04:44:29,769 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2705 transitions. [2024-11-28 04:44:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 04:44:29,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:29,772 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 04:44:29,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:44:29,773 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:29,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:29,773 INFO L85 PathProgramCache]: Analyzing trace with hash 2090417796, now seen corresponding path program 1 times [2024-11-28 04:44:29,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:29,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153343811] [2024-11-28 04:44:29,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:44:30,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:30,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153343811] [2024-11-28 04:44:30,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153343811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:30,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:30,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:44:30,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364176284] [2024-11-28 04:44:30,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:30,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:30,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:30,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:30,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:44:30,732 INFO L87 Difference]: Start difference. First operand 1894 states and 2705 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:30,876 INFO L93 Difference]: Finished difference Result 3799 states and 5429 transitions. [2024-11-28 04:44:30,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:30,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-28 04:44:30,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:30,893 INFO L225 Difference]: With dead ends: 3799 [2024-11-28 04:44:30,893 INFO L226 Difference]: Without dead ends: 1908 [2024-11-28 04:44:30,902 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 04:44:30,903 INFO L435 NwaCegarLoop]: 1217 mSDtfsCounter, 1 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:30,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2431 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:44:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-11-28 04:44:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1908. [2024-11-28 04:44:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1393 states have (on average 1.3732950466618807) internal successors, (1913), 1422 states have internal predecessors, (1913), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-28 04:44:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2725 transitions. [2024-11-28 04:44:31,022 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2725 transitions. Word has length 35 [2024-11-28 04:44:31,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:31,023 INFO L471 AbstractCegarLoop]: Abstraction has 1908 states and 2725 transitions. [2024-11-28 04:44:31,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:44:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2725 transitions. [2024-11-28 04:44:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 04:44:31,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:31,026 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] [2024-11-28 04:44:31,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:44:31,026 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:31,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:31,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1317075735, now seen corresponding path program 1 times [2024-11-28 04:44:31,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:31,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553282481] [2024-11-28 04:44:31,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:31,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:44:32,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:32,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553282481] [2024-11-28 04:44:32,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553282481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:32,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94949364] [2024-11-28 04:44:32,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:32,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:32,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:32,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:32,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:44:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:33,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 2780 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:44:33,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:44:33,880 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:33,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94949364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:33,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:33,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:44:33,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260927503] [2024-11-28 04:44:33,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:33,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:33,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:33,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:33,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:33,882 INFO L87 Difference]: Start difference. First operand 1908 states and 2725 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:44:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:34,020 INFO L93 Difference]: Finished difference Result 3861 states and 5525 transitions. [2024-11-28 04:44:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:34,021 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-28 04:44:34,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:34,037 INFO L225 Difference]: With dead ends: 3861 [2024-11-28 04:44:34,037 INFO L226 Difference]: Without dead ends: 1956 [2024-11-28 04:44:34,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:34,046 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 13 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:34,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2433 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:44:34,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2024-11-28 04:44:34,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1956. [2024-11-28 04:44:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1429 states have (on average 1.3750874737578727) internal successors, (1965), 1458 states have internal predecessors, (1965), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-28 04:44:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2801 transitions. [2024-11-28 04:44:34,155 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2801 transitions. Word has length 41 [2024-11-28 04:44:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:34,155 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2801 transitions. [2024-11-28 04:44:34,156 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:44:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2801 transitions. [2024-11-28 04:44:34,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 04:44:34,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:34,157 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:44:34,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:44:34,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:34,358 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:34,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1829642483, now seen corresponding path program 1 times [2024-11-28 04:44:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:34,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995040062] [2024-11-28 04:44:34,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:44:35,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:35,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995040062] [2024-11-28 04:44:35,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995040062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:35,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127532901] [2024-11-28 04:44:35,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:35,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:35,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:35,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:44:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:36,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:44:36,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:44:36,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:36,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127532901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:36,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:36,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:44:36,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332653110] [2024-11-28 04:44:36,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:36,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:36,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:36,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:36,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:36,675 INFO L87 Difference]: Start difference. First operand 1956 states and 2801 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:36,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:36,827 INFO L93 Difference]: Finished difference Result 1978 states and 2827 transitions. [2024-11-28 04:44:36,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:36,828 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-28 04:44:36,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:36,843 INFO L225 Difference]: With dead ends: 1978 [2024-11-28 04:44:36,843 INFO L226 Difference]: Without dead ends: 1967 [2024-11-28 04:44:36,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:36,846 INFO L435 NwaCegarLoop]: 1231 mSDtfsCounter, 1214 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 1244 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 04:44:36,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 1244 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:44:36,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2024-11-28 04:44:36,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1956. [2024-11-28 04:44:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1429 states have (on average 1.3736878936319104) internal successors, (1963), 1458 states have internal predecessors, (1963), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-28 04:44:36,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2799 transitions. [2024-11-28 04:44:37,002 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2799 transitions. Word has length 46 [2024-11-28 04:44:37,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:37,003 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2799 transitions. [2024-11-28 04:44:37,003 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2799 transitions. [2024-11-28 04:44:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 04:44:37,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:37,005 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:44:37,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:37,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:37,206 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:37,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1772384181, now seen corresponding path program 1 times [2024-11-28 04:44:37,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:37,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472580796] [2024-11-28 04:44:37,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:37,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:44:38,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:38,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472580796] [2024-11-28 04:44:38,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472580796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:38,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532544873] [2024-11-28 04:44:38,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:38,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:38,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:38,314 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:38,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:44:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:39,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 2795 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:44:39,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:44:40,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:40,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532544873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:40,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:40,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:44:40,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609807083] [2024-11-28 04:44:40,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:40,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:40,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:40,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:40,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:40,026 INFO L87 Difference]: Start difference. First operand 1956 states and 2799 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:44,070 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 04:44:44,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:44,225 INFO L93 Difference]: Finished difference Result 1958 states and 2800 transitions. [2024-11-28 04:44:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:44,226 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-28 04:44:44,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:44,241 INFO L225 Difference]: With dead ends: 1958 [2024-11-28 04:44:44,241 INFO L226 Difference]: Without dead ends: 1955 [2024-11-28 04:44:44,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:44,243 INFO L435 NwaCegarLoop]: 1216 mSDtfsCounter, 1176 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1216 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 04:44:44,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1216 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:44:44,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2024-11-28 04:44:44,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1955. [2024-11-28 04:44:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1429 states have (on average 1.3729881035689293) internal successors, (1962), 1457 states have internal predecessors, (1962), 420 states have call successors, (420), 106 states have call predecessors, (420), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-28 04:44:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2797 transitions. [2024-11-28 04:44:44,376 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2797 transitions. Word has length 46 [2024-11-28 04:44:44,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:44,378 INFO L471 AbstractCegarLoop]: Abstraction has 1955 states and 2797 transitions. [2024-11-28 04:44:44,378 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), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2797 transitions. [2024-11-28 04:44:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 04:44:44,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:44,380 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:44:44,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:44,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:44,581 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:44,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:44,581 INFO L85 PathProgramCache]: Analyzing trace with hash 890282631, now seen corresponding path program 1 times [2024-11-28 04:44:44,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:44,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795298938] [2024-11-28 04:44:44,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:44,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:44:45,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:45,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795298938] [2024-11-28 04:44:45,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795298938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:45,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117053405] [2024-11-28 04:44:45,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:45,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:45,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:45,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:45,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:44:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:47,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:44:47,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:44:47,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:47,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117053405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:47,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:47,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:44:47,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58115911] [2024-11-28 04:44:47,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:47,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:47,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:47,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:47,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:47,390 INFO L87 Difference]: Start difference. First operand 1955 states and 2797 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:51,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:44:51,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:51,583 INFO L93 Difference]: Finished difference Result 1957 states and 2798 transitions. [2024-11-28 04:44:51,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:51,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-28 04:44:51,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:51,597 INFO L225 Difference]: With dead ends: 1957 [2024-11-28 04:44:51,598 INFO L226 Difference]: Without dead ends: 1954 [2024-11-28 04:44:51,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:51,600 INFO L435 NwaCegarLoop]: 1214 mSDtfsCounter, 1173 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1214 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 04:44:51,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 1214 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:44:51,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2024-11-28 04:44:51,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1954. [2024-11-28 04:44:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1429 states have (on average 1.3722883135059483) internal successors, (1961), 1456 states have internal predecessors, (1961), 419 states have call successors, (419), 106 states have call predecessors, (419), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-28 04:44:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2795 transitions. [2024-11-28 04:44:51,726 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2795 transitions. Word has length 47 [2024-11-28 04:44:51,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:51,729 INFO L471 AbstractCegarLoop]: Abstraction has 1954 states and 2795 transitions. [2024-11-28 04:44:51,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:51,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2795 transitions. [2024-11-28 04:44:51,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 04:44:51,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:51,730 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:44:51,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:51,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:51,931 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:51,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:51,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1828580046, now seen corresponding path program 1 times [2024-11-28 04:44:51,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:51,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414760625] [2024-11-28 04:44:51,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:51,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:44:52,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:52,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414760625] [2024-11-28 04:44:52,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414760625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:52,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614325075] [2024-11-28 04:44:52,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:52,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:52,686 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:52,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:44:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:54,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:44:54,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:44:54,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:54,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614325075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:54,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:54,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:44:54,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799570289] [2024-11-28 04:44:54,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:54,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:54,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:54,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:54,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:54,258 INFO L87 Difference]: Start difference. First operand 1954 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:58,297 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 04:44:58,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:58,440 INFO L93 Difference]: Finished difference Result 1956 states and 2796 transitions. [2024-11-28 04:44:58,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:58,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-28 04:44:58,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:58,455 INFO L225 Difference]: With dead ends: 1956 [2024-11-28 04:44:58,455 INFO L226 Difference]: Without dead ends: 1953 [2024-11-28 04:44:58,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:44:58,458 INFO L435 NwaCegarLoop]: 1212 mSDtfsCounter, 1170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1212 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 04:44:58,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1212 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:44:58,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2024-11-28 04:44:58,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1953. [2024-11-28 04:44:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1429 states have (on average 1.371588523442967) internal successors, (1960), 1455 states have internal predecessors, (1960), 418 states have call successors, (418), 106 states have call predecessors, (418), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2024-11-28 04:44:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2793 transitions. [2024-11-28 04:44:58,601 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2793 transitions. Word has length 48 [2024-11-28 04:44:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:58,601 INFO L471 AbstractCegarLoop]: Abstraction has 1953 states and 2793 transitions. [2024-11-28 04:44:58,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:44:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2793 transitions. [2024-11-28 04:44:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 04:44:58,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:58,602 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 04:44:58,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:44:58,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:58,804 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:58,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:58,804 INFO L85 PathProgramCache]: Analyzing trace with hash 851033706, now seen corresponding path program 1 times [2024-11-28 04:44:58,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:58,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546298070] [2024-11-28 04:44:58,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:58,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:44:59,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:59,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546298070] [2024-11-28 04:44:59,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546298070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:59,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823684181] [2024-11-28 04:44:59,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:59,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:59,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:59,568 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:45:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:00,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 2801 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:45:00,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:45:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:45:01,116 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:45:01,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823684181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:45:01,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:45:01,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:45:01,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353308361] [2024-11-28 04:45:01,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:45:01,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:45:01,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:45:01,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:45:01,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:45:01,118 INFO L87 Difference]: Start difference. First operand 1953 states and 2793 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:45:05,170 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 04:45:05,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:45:05,282 INFO L93 Difference]: Finished difference Result 2492 states and 3509 transitions. [2024-11-28 04:45:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:45:05,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-28 04:45:05,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:45:05,297 INFO L225 Difference]: With dead ends: 2492 [2024-11-28 04:45:05,297 INFO L226 Difference]: Without dead ends: 2447 [2024-11-28 04:45:05,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:45:05,300 INFO L435 NwaCegarLoop]: 1384 mSDtfsCounter, 1075 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:45:05,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1883 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:45:05,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2024-11-28 04:45:05,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2447. [2024-11-28 04:45:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 1758 states have (on average 1.3532423208191127) internal successors, (2379), 1793 states have internal predecessors, (2379), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2024-11-28 04:45:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 3450 transitions. [2024-11-28 04:45:05,509 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 3450 transitions. Word has length 49 [2024-11-28 04:45:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:45:05,510 INFO L471 AbstractCegarLoop]: Abstraction has 2447 states and 3450 transitions. [2024-11-28 04:45:05,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:45:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 3450 transitions. [2024-11-28 04:45:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 04:45:05,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:45:05,513 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-28 04:45:05,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:45:05,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:45:05,714 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:45:05,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:05,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1124951880, now seen corresponding path program 1 times [2024-11-28 04:45:05,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:45:05,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307780315] [2024-11-28 04:45:05,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:05,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:45:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 04:45:06,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:45:06,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307780315] [2024-11-28 04:45:06,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307780315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:45:06,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545705515] [2024-11-28 04:45:06,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:06,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:45:06,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:45:06,482 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:45:06,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:45:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:07,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:45:07,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:45:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:45:07,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:45:07,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545705515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:45:07,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:45:07,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:45:07,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764078749] [2024-11-28 04:45:07,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:45:07,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:45:07,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:45:07,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:45:07,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:45:07,862 INFO L87 Difference]: Start difference. First operand 2447 states and 3450 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:45:08,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:45:08,069 INFO L93 Difference]: Finished difference Result 4911 states and 6928 transitions. [2024-11-28 04:45:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:45:08,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-28 04:45:08,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:45:08,083 INFO L225 Difference]: With dead ends: 4911 [2024-11-28 04:45:08,084 INFO L226 Difference]: Without dead ends: 2467 [2024-11-28 04:45:08,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:45:08,095 INFO L435 NwaCegarLoop]: 1147 mSDtfsCounter, 21 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:45:08,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2288 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:45:08,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2024-11-28 04:45:08,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2449. [2024-11-28 04:45:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 1760 states have (on average 1.352840909090909) internal successors, (2381), 1795 states have internal predecessors, (2381), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2024-11-28 04:45:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3452 transitions. [2024-11-28 04:45:08,265 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3452 transitions. Word has length 81 [2024-11-28 04:45:08,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:45:08,266 INFO L471 AbstractCegarLoop]: Abstraction has 2449 states and 3452 transitions. [2024-11-28 04:45:08,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:45:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3452 transitions. [2024-11-28 04:45:08,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 04:45:08,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:45:08,273 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-28 04:45:08,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:45:08,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:45:08,474 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:45:08,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:08,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1043884371, now seen corresponding path program 1 times [2024-11-28 04:45:08,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:45:08,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042337129] [2024-11-28 04:45:08,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:08,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:45:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:45:09,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:45:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042337129] [2024-11-28 04:45:09,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042337129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:45:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214123510] [2024-11-28 04:45:09,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:09,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:45:09,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:45:09,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:45:09,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:45:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:10,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:45:10,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:45:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:45:10,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:45:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 04:45:11,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214123510] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:45:11,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:45:11,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 04:45:11,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640148500] [2024-11-28 04:45:11,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:45:11,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:45:11,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:45:11,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:45:11,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:45:11,031 INFO L87 Difference]: Start difference. First operand 2449 states and 3452 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:45:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:45:11,485 INFO L93 Difference]: Finished difference Result 5067 states and 7169 transitions. [2024-11-28 04:45:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:45:11,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2024-11-28 04:45:11,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:45:11,502 INFO L225 Difference]: With dead ends: 5067 [2024-11-28 04:45:11,502 INFO L226 Difference]: Without dead ends: 2621 [2024-11-28 04:45:11,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:45:11,513 INFO L435 NwaCegarLoop]: 1158 mSDtfsCounter, 50 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 3495 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:45:11,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 3495 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:45:11,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2024-11-28 04:45:11,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2621. [2024-11-28 04:45:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 1902 states have (on average 1.3517350157728707) internal successors, (2571), 1937 states have internal predecessors, (2571), 566 states have call successors, (566), 153 states have call predecessors, (566), 152 states have return successors, (565), 565 states have call predecessors, (565), 565 states have call successors, (565) [2024-11-28 04:45:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 3702 transitions. [2024-11-28 04:45:11,702 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 3702 transitions. Word has length 85 [2024-11-28 04:45:11,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:45:11,702 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 3702 transitions. [2024-11-28 04:45:11,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 04:45:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3702 transitions. [2024-11-28 04:45:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:45:11,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:45:11,709 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-28 04:45:11,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:45:11,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:45:11,912 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:45:11,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 562062280, now seen corresponding path program 2 times [2024-11-28 04:45:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:45:11,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916624000] [2024-11-28 04:45:11,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:45:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:45:12,667 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:45:12,667 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:45:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 04:45:12,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:45:12,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916624000] [2024-11-28 04:45:12,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916624000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:45:12,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:45:12,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:45:12,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787429691] [2024-11-28 04:45:12,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:45:12,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:45:12,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:45:12,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:45:12,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:45:12,898 INFO L87 Difference]: Start difference. First operand 2621 states and 3702 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:45:16,954 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 04:45:17,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:45:17,122 INFO L93 Difference]: Finished difference Result 2621 states and 3702 transitions. [2024-11-28 04:45:17,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:45:17,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2024-11-28 04:45:17,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:45:17,126 INFO L225 Difference]: With dead ends: 2621 [2024-11-28 04:45:17,127 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:45:17,134 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 04:45:17,135 INFO L435 NwaCegarLoop]: 1397 mSDtfsCounter, 490 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2468 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 04:45:17,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 2468 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:45:17,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:45:17,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:45:17,137 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 04:45:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:45:17,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-11-28 04:45:17,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:45:17,141 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:45:17,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:45:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:45:17,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:45:17,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:45:17,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:45:17,148 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:45:17,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:45:58,252 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:45:58,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:45:58 BoogieIcfgContainer [2024-11-28 04:45:58,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:45:58,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:45:58,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:45:58,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:45:58,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:18" (3/4) ... [2024-11-28 04:45:58,288 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_17 [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-28 04:45:58,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pt_mutex [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2024-11-28 04:45:58,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_create [2024-11-28 04:45:58,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pt_mutex [2024-11-28 04:45:58,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2024-11-28 04:45:58,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-28 04:45:58,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-28 04:45:58,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2024-11-28 04:45:58,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2024-11-28 04:45:58,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2024-11-28 04:45:58,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2024-11-28 04:45:58,350 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 334 nodes and edges [2024-11-28 04:45:58,355 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2024-11-28 04:45:58,359 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-28 04:45:58,363 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 04:45:58,366 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:45:58,374 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 04:45:58,379 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:45:58,384 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:45:58,716 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:45:58,717 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:45:58,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:45:58,718 INFO L158 Benchmark]: Toolchain (without parser) took 118320.47ms. Allocated memory was 117.4MB in the beginning and 553.6MB in the end (delta: 436.2MB). Free memory was 86.6MB in the beginning and 308.3MB in the end (delta: -221.7MB). Peak memory consumption was 211.9MB. Max. memory is 16.1GB. [2024-11-28 04:45:58,718 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:45:58,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1850.83ms. Allocated memory is still 117.4MB. Free memory was 86.4MB in the beginning and 51.8MB in the end (delta: 34.6MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-11-28 04:45:58,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 230.11ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 36.2MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:45:58,719 INFO L158 Benchmark]: Boogie Preprocessor took 434.12ms. Allocated memory is still 117.4MB. Free memory was 36.2MB in the beginning and 41.9MB in the end (delta: -5.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-28 04:45:58,720 INFO L158 Benchmark]: RCFGBuilder took 15687.97ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 41.9MB in the beginning and 73.5MB in the end (delta: -31.7MB). Peak memory consumption was 112.3MB. Max. memory is 16.1GB. [2024-11-28 04:45:58,720 INFO L158 Benchmark]: TraceAbstraction took 99673.67ms. Allocated memory was 234.9MB in the beginning and 553.6MB in the end (delta: 318.8MB). Free memory was 71.2MB in the beginning and 350.0MB in the end (delta: -278.8MB). Peak memory consumption was 403.2MB. Max. memory is 16.1GB. [2024-11-28 04:45:58,721 INFO L158 Benchmark]: Witness Printer took 433.66ms. Allocated memory is still 553.6MB. Free memory was 350.0MB in the beginning and 308.3MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 04:45:58,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1850.83ms. Allocated memory is still 117.4MB. Free memory was 86.4MB in the beginning and 51.8MB in the end (delta: 34.6MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 230.11ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 36.2MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 434.12ms. Allocated memory is still 117.4MB. Free memory was 36.2MB in the beginning and 41.9MB in the end (delta: -5.7MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * RCFGBuilder took 15687.97ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 41.9MB in the beginning and 73.5MB in the end (delta: -31.7MB). Peak memory consumption was 112.3MB. Max. memory is 16.1GB. * TraceAbstraction took 99673.67ms. Allocated memory was 234.9MB in the beginning and 553.6MB in the end (delta: 318.8MB). Free memory was 71.2MB in the beginning and 350.0MB in the end (delta: -278.8MB). Peak memory consumption was 403.2MB. Max. memory is 16.1GB. * Witness Printer took 433.66ms. Allocated memory is still 553.6MB. Free memory was 350.0MB in the beginning and 308.3MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2827]: 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)); [2827] - GenericResultAtLocation [Line: 2834]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] * 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: 4617]: 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 45 procedures, 867 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.4s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 9351 SdHoareTripleChecker+Valid, 25.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9328 mSDsluCounter, 29404 SdHoareTripleChecker+Invalid, 25.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10889 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 18515 mSDtfsCounter, 171 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 569 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2621occurred in iteration=13, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 95 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1116 NumberOfCodeBlocks, 1045 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 22819 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 148/158 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: 3376]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3820]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3662]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4298]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3274]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3195]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4039]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3420]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4075]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3376]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4129]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4213]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3056]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3955]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3235]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3905]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3717]: Loop Invariant Derived loop invariant: ((((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (unit <= 3)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3056]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) RESULT: Ultimate proved your program to be correct! [2024-11-28 04:45:58,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dbc0bc-5d91-4291-81e2-b3159bbab058/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