./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--pg.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_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/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_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/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_54237231-403d-47b5-8fe6-4f28be5b6164/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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:31:55,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:31:55,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:31:55,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:31:55,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:31:55,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:31:55,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:31:55,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:31:55,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:31:55,303 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:31:55,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:31:55,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:31:55,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:31:55,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:31:55,305 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:31:55,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:31:55,306 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:31:55,307 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:31:55,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:31:55,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:31:55,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:31:55,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:55,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:31:55,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:31:55,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:31:55,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:31:55,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:55,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:31:55,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:31:55,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:31:55,310 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_54237231-403d-47b5-8fe6-4f28be5b6164/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 -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2024-11-27 23:31:55,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:31:55,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:31:55,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:31:55,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:31:55,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:31:55,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-11-27 23:31:58,677 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/data/5a792652f/90296bfc2f12443795b252df988fbc8a/FLAGb8e08dee0 [2024-11-27 23:31:59,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:31:59,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-11-27 23:31:59,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/data/5a792652f/90296bfc2f12443795b252df988fbc8a/FLAGb8e08dee0 [2024-11-27 23:31:59,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/data/5a792652f/90296bfc2f12443795b252df988fbc8a [2024-11-27 23:31:59,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:31:59,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:31:59,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:31:59,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:31:59,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:31:59,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:31:59" (1/1) ... [2024-11-27 23:31:59,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8132e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:59, skipping insertion in model container [2024-11-27 23:31:59,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:31:59" (1/1) ... [2024-11-27 23:31:59,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:32:00,292 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_54237231-403d-47b5-8fe6-4f28be5b6164/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2024-11-27 23:32:00,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:00,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:32:00,569 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] [2024-11-27 23:32:00,571 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; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] [2024-11-27 23:32:00,687 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_54237231-403d-47b5-8fe6-4f28be5b6164/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2024-11-27 23:32:00,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:00,787 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:32:00,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00 WrapperNode [2024-11-27 23:32:00,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:00,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:00,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:32:00,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:32:00,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:00,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:00,991 INFO L138 Inliner]: procedures = 133, calls = 1232, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1948 [2024-11-27 23:32:00,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:00,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:32:00,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:32:00,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:32:01,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,243 INFO L175 MemorySlicer]: Split 952 memory accesses to 22 slices as follows [273, 2, 3, 5, 512, 32, 1, 24, 6, 3, 28, 1, 6, 5, 14, 2, 11, 2, 13, 1, 3, 5]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [180, 2, 3, 5, 512, 24, 1, 0, 4, 0, 0, 0, 6, 0, 14, 0, 11, 0, 13, 0, 0, 5]. The 103 writes are split as follows [40, 0, 0, 0, 0, 0, 0, 24, 0, 1, 28, 0, 0, 5, 0, 2, 0, 1, 0, 0, 2, 0]. [2024-11-27 23:32:01,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,356 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:32:01,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:32:01,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:32:01,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:32:01,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (1/1) ... [2024-11-27 23:32:01,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:01,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:01,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:32:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-27 23:32:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-27 23:32:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-27 23:32:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-27 23:32:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:32:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 23:32:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:32:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:32:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:32:01,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:32:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:32:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:32:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 23:32:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:32:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 23:32:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-27 23:32:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 23:32:01,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 23:32:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2024-11-27 23:32:01,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2024-11-27 23:32:01,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:32:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 23:32:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 23:32:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-27 23:32:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2024-11-27 23:32:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 23:32:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 23:32:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-27 23:32:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-27 23:32:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-27 23:32:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-27 23:32:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-27 23:32:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:32:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2024-11-27 23:32:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2024-11-27 23:32:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:32:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:32:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:32:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:32:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:32:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:32:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:32:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 23:32:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 23:32:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 23:32:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-27 23:32:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2024-11-27 23:32:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:32:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 23:32:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 23:32:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2024-11-27 23:32:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2024-11-27 23:32:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-27 23:32:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 23:32:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-27 23:32:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-27 23:32:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-27 23:32:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 23:32:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2024-11-27 23:32:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2024-11-27 23:32:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-27 23:32:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2024-11-27 23:32:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 23:32:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 23:32:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 23:32:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 23:32:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 23:32:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 23:32:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-27 23:32:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-27 23:32:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:32:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:32:01,530 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-27 23:32:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-27 23:32:02,134 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:32:02,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:32:09,155 INFO L? ?]: Removed 571 outVars from TransFormulas that were not future-live. [2024-11-27 23:32:09,156 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:32:09,188 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:32:09,191 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 23:32:09,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:09 BoogieIcfgContainer [2024-11-27 23:32:09,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:32:09,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:32:09,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:32:09,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:32:09,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:31:59" (1/3) ... [2024-11-27 23:32:09,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afadc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:09, skipping insertion in model container [2024-11-27 23:32:09,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:00" (2/3) ... [2024-11-27 23:32:09,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afadc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:09, skipping insertion in model container [2024-11-27 23:32:09,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:09" (3/3) ... [2024-11-27 23:32:09,204 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2024-11-27 23:32:09,224 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:32:09,231 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i that has 32 procedures, 529 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-27 23:32:09,328 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:32:09,343 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;@5102bb22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:32:09,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:32:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 529 states, 394 states have (on average 1.368020304568528) internal successors, (539), 404 states have internal predecessors, (539), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-27 23:32:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-27 23:32:09,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:09,363 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:09,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:09,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1705185471, now seen corresponding path program 1 times [2024-11-27 23:32:09,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:09,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188363319] [2024-11-27 23:32:09,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:09,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:10,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:10,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188363319] [2024-11-27 23:32:10,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188363319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:10,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:10,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:32:10,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909052647] [2024-11-27 23:32:10,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:10,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:10,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:11,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:11,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:32:11,023 INFO L87 Difference]: Start difference. First operand has 529 states, 394 states have (on average 1.368020304568528) internal successors, (539), 404 states have internal predecessors, (539), 102 states have call successors, (102), 31 states have call predecessors, (102), 31 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) 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, (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) [2024-11-27 23:32:11,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:11,368 INFO L93 Difference]: Finished difference Result 1382 states and 1968 transitions. [2024-11-27 23:32:11,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:11,371 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, (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 16 [2024-11-27 23:32:11,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:11,400 INFO L225 Difference]: With dead ends: 1382 [2024-11-27 23:32:11,401 INFO L226 Difference]: Without dead ends: 848 [2024-11-27 23:32:11,413 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 [2024-11-27 23:32:11,418 INFO L435 NwaCegarLoop]: 904 mSDtfsCounter, 462 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:11,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1598 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:32:11,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-27 23:32:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 820. [2024-11-27 23:32:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 604 states have (on average 1.3526490066225165) internal successors, (817), 614 states have internal predecessors, (817), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-27 23:32:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1141 transitions. [2024-11-27 23:32:11,559 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1141 transitions. Word has length 16 [2024-11-27 23:32:11,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:11,559 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1141 transitions. [2024-11-27 23:32:11,559 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, (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) [2024-11-27 23:32:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1141 transitions. [2024-11-27 23:32:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-27 23:32:11,567 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:11,567 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:11,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:32:11,568 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:11,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:11,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1939651144, now seen corresponding path program 1 times [2024-11-27 23:32:11,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:11,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997730962] [2024-11-27 23:32:11,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:12,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:12,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997730962] [2024-11-27 23:32:12,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997730962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:12,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:12,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:32:12,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747051359] [2024-11-27 23:32:12,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:12,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:12,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:12,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:12,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:32:12,623 INFO L87 Difference]: Start difference. First operand 820 states and 1141 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) [2024-11-27 23:32:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:12,766 INFO L93 Difference]: Finished difference Result 1637 states and 2279 transitions. [2024-11-27 23:32:12,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:12,767 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 [2024-11-27 23:32:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:12,780 INFO L225 Difference]: With dead ends: 1637 [2024-11-27 23:32:12,780 INFO L226 Difference]: Without dead ends: 820 [2024-11-27 23:32:12,788 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 [2024-11-27 23:32:12,790 INFO L435 NwaCegarLoop]: 727 mSDtfsCounter, 718 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 727 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 [2024-11-27 23:32:12,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 727 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:12,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-11-27 23:32:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2024-11-27 23:32:12,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 604 states have (on average 1.349337748344371) internal successors, (815), 614 states have internal predecessors, (815), 165 states have call successors, (165), 51 states have call predecessors, (165), 50 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-11-27 23:32:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1139 transitions. [2024-11-27 23:32:12,904 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1139 transitions. Word has length 19 [2024-11-27 23:32:12,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:12,905 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1139 transitions. [2024-11-27 23:32:12,905 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) [2024-11-27 23:32:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1139 transitions. [2024-11-27 23:32:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 23:32:12,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:12,908 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] [2024-11-27 23:32:12,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:32:12,908 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:12,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:12,913 INFO L85 PathProgramCache]: Analyzing trace with hash 905071542, now seen corresponding path program 1 times [2024-11-27 23:32:12,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:12,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804602388] [2024-11-27 23:32:12,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:12,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:14,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:14,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804602388] [2024-11-27 23:32:14,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804602388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:14,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:14,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:32:14,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438000180] [2024-11-27 23:32:14,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:14,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:14,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:14,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:14,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:32:14,014 INFO L87 Difference]: Start difference. First operand 820 states and 1139 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) [2024-11-27 23:32:18,073 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 [] [2024-11-27 23:32:18,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:18,226 INFO L93 Difference]: Finished difference Result 2049 states and 2849 transitions. [2024-11-27 23:32:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:18,226 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 [2024-11-27 23:32:18,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:18,236 INFO L225 Difference]: With dead ends: 2049 [2024-11-27 23:32:18,236 INFO L226 Difference]: Without dead ends: 1232 [2024-11-27 23:32:18,240 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 [2024-11-27 23:32:18,241 INFO L435 NwaCegarLoop]: 1117 mSDtfsCounter, 675 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1700 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 [2024-11-27 23:32:18,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1700 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 23:32:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2024-11-27 23:32:18,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1228. [2024-11-27 23:32:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 909 states have (on average 1.353135313531353) internal successors, (1230), 921 states have internal predecessors, (1230), 240 states have call successors, (240), 79 states have call predecessors, (240), 78 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-27 23:32:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1704 transitions. [2024-11-27 23:32:18,329 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1704 transitions. Word has length 25 [2024-11-27 23:32:18,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:18,329 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1704 transitions. [2024-11-27 23:32:18,331 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) [2024-11-27 23:32:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1704 transitions. [2024-11-27 23:32:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-27 23:32:18,334 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:18,334 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] [2024-11-27 23:32:18,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:32:18,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:18,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:18,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1343734521, now seen corresponding path program 1 times [2024-11-27 23:32:18,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:18,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022127660] [2024-11-27 23:32:18,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:18,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:19,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:19,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022127660] [2024-11-27 23:32:19,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022127660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:19,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:19,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:32:19,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389025865] [2024-11-27 23:32:19,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:19,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:19,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:19,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:19,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:32:19,255 INFO L87 Difference]: Start difference. First operand 1228 states and 1704 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-27 23:32:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:19,363 INFO L93 Difference]: Finished difference Result 2467 states and 3427 transitions. [2024-11-27 23:32:19,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:19,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-11-27 23:32:19,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:19,374 INFO L225 Difference]: With dead ends: 2467 [2024-11-27 23:32:19,375 INFO L226 Difference]: Without dead ends: 1242 [2024-11-27 23:32:19,380 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 [2024-11-27 23:32:19,382 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 7 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:19,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1447 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:19,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-27 23:32:19,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1230. [2024-11-27 23:32:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 911 states have (on average 1.3523600439077936) internal successors, (1232), 923 states have internal predecessors, (1232), 240 states have call successors, (240), 79 states have call predecessors, (240), 78 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-27 23:32:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1706 transitions. [2024-11-27 23:32:19,466 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1706 transitions. Word has length 30 [2024-11-27 23:32:19,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:19,467 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1706 transitions. [2024-11-27 23:32:19,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-27 23:32:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1706 transitions. [2024-11-27 23:32:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-27 23:32:19,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:19,471 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] [2024-11-27 23:32:19,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:32:19,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:19,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:19,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1913217502, now seen corresponding path program 1 times [2024-11-27 23:32:19,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:19,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446429628] [2024-11-27 23:32:19,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:19,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:20,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:20,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446429628] [2024-11-27 23:32:20,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446429628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:20,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485587819] [2024-11-27 23:32:20,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:20,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:20,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:32:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:21,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 2581 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:21,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 23:32:21,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:21,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485587819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:21,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:21,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185953014] [2024-11-27 23:32:21,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:21,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:21,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:21,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:21,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:21,899 INFO L87 Difference]: Start difference. First operand 1230 states and 1706 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-27 23:32:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:21,996 INFO L93 Difference]: Finished difference Result 2483 states and 3451 transitions. [2024-11-27 23:32:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:21,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 40 [2024-11-27 23:32:21,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:22,006 INFO L225 Difference]: With dead ends: 2483 [2024-11-27 23:32:22,007 INFO L226 Difference]: Without dead ends: 1256 [2024-11-27 23:32:22,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:22,013 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 19 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1435 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 [2024-11-27 23:32:22,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1435 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:22,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2024-11-27 23:32:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2024-11-27 23:32:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 931 states have (on average 1.3533834586466165) internal successors, (1260), 943 states have internal predecessors, (1260), 246 states have call successors, (246), 79 states have call predecessors, (246), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-27 23:32:22,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1746 transitions. [2024-11-27 23:32:22,156 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1746 transitions. Word has length 40 [2024-11-27 23:32:22,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:22,157 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 1746 transitions. [2024-11-27 23:32:22,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-27 23:32:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1746 transitions. [2024-11-27 23:32:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-27 23:32:22,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:22,161 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] [2024-11-27 23:32:22,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:22,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:22,366 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:22,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash -2096014832, now seen corresponding path program 1 times [2024-11-27 23:32:22,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:22,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059869361] [2024-11-27 23:32:22,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:23,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:32:23,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:23,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059869361] [2024-11-27 23:32:23,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059869361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:23,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379315571] [2024-11-27 23:32:23,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:23,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:23,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:23,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:23,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:32:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:24,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 2599 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:24,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:32:24,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:24,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379315571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:24,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:24,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:24,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808921211] [2024-11-27 23:32:24,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:24,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:24,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:24,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:24,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:24,926 INFO L87 Difference]: Start difference. First operand 1256 states and 1746 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, (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) [2024-11-27 23:32:25,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:25,050 INFO L93 Difference]: Finished difference Result 1278 states and 1772 transitions. [2024-11-27 23:32:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:25,051 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, (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 45 [2024-11-27 23:32:25,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:25,060 INFO L225 Difference]: With dead ends: 1278 [2024-11-27 23:32:25,060 INFO L226 Difference]: Without dead ends: 1267 [2024-11-27 23:32:25,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:25,063 INFO L435 NwaCegarLoop]: 740 mSDtfsCounter, 723 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 753 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 [2024-11-27 23:32:25,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 753 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:32:25,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2024-11-27 23:32:25,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1256. [2024-11-27 23:32:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 931 states have (on average 1.351235230934479) internal successors, (1258), 943 states have internal predecessors, (1258), 246 states have call successors, (246), 79 states have call predecessors, (246), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-27 23:32:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1744 transitions. [2024-11-27 23:32:25,142 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1744 transitions. Word has length 45 [2024-11-27 23:32:25,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:25,142 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 1744 transitions. [2024-11-27 23:32:25,142 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, (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) [2024-11-27 23:32:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1744 transitions. [2024-11-27 23:32:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-27 23:32:25,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:25,144 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] [2024-11-27 23:32:25,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:32:25,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 23:32:25,345 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:25,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash -2038756530, now seen corresponding path program 1 times [2024-11-27 23:32:25,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:25,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922464580] [2024-11-27 23:32:25,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:32:26,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:26,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922464580] [2024-11-27 23:32:26,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922464580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:26,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314823165] [2024-11-27 23:32:26,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:26,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:26,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:26,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:26,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:32:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:27,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 2596 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:27,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:32:27,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:27,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314823165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:27,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:27,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:27,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352348938] [2024-11-27 23:32:27,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:27,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:27,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:27,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:27,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:27,614 INFO L87 Difference]: Start difference. First operand 1256 states and 1744 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, (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) [2024-11-27 23:32:31,667 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 [] [2024-11-27 23:32:31,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:31,736 INFO L93 Difference]: Finished difference Result 1258 states and 1745 transitions. [2024-11-27 23:32:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:31,737 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, (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 45 [2024-11-27 23:32:31,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:31,746 INFO L225 Difference]: With dead ends: 1258 [2024-11-27 23:32:31,746 INFO L226 Difference]: Without dead ends: 1255 [2024-11-27 23:32:31,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:31,748 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 686 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 725 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 [2024-11-27 23:32:31,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 725 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 23:32:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2024-11-27 23:32:31,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2024-11-27 23:32:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 931 states have (on average 1.3501611170784102) internal successors, (1257), 942 states have internal predecessors, (1257), 245 states have call successors, (245), 79 states have call predecessors, (245), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-27 23:32:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1742 transitions. [2024-11-27 23:32:31,829 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1742 transitions. Word has length 45 [2024-11-27 23:32:31,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:31,829 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1742 transitions. [2024-11-27 23:32:31,829 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, (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) [2024-11-27 23:32:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1742 transitions. [2024-11-27 23:32:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-27 23:32:31,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:31,831 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] [2024-11-27 23:32:31,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:32:32,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 23:32:32,032 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:32,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1222830710, now seen corresponding path program 1 times [2024-11-27 23:32:32,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:32,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552445614] [2024-11-27 23:32:32,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:32:32,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:32,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552445614] [2024-11-27 23:32:32,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552445614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:32,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084423444] [2024-11-27 23:32:32,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:32,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:32,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:32,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:32:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:34,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 2598 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:34,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:32:34,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:34,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084423444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:34,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:34,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:34,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776376794] [2024-11-27 23:32:34,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:34,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:34,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:34,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:34,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:34,210 INFO L87 Difference]: Start difference. First operand 1255 states and 1742 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) [2024-11-27 23:32:38,257 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 [] [2024-11-27 23:32:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:38,328 INFO L93 Difference]: Finished difference Result 1257 states and 1743 transitions. [2024-11-27 23:32:38,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:38,328 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 [2024-11-27 23:32:38,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:38,337 INFO L225 Difference]: With dead ends: 1257 [2024-11-27 23:32:38,337 INFO L226 Difference]: Without dead ends: 1254 [2024-11-27 23:32:38,338 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 [2024-11-27 23:32:38,339 INFO L435 NwaCegarLoop]: 723 mSDtfsCounter, 683 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 723 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 [2024-11-27 23:32:38,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 723 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 23:32:38,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-27 23:32:38,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1254. [2024-11-27 23:32:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 931 states have (on average 1.3490870032223417) internal successors, (1256), 941 states have internal predecessors, (1256), 244 states have call successors, (244), 79 states have call predecessors, (244), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-27 23:32:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1740 transitions. [2024-11-27 23:32:38,415 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1740 transitions. Word has length 46 [2024-11-27 23:32:38,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:38,415 INFO L471 AbstractCegarLoop]: Abstraction has 1254 states and 1740 transitions. [2024-11-27 23:32:38,416 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) [2024-11-27 23:32:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1740 transitions. [2024-11-27 23:32:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-27 23:32:38,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:38,417 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] [2024-11-27 23:32:38,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:32:38,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:38,618 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:38,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:38,619 INFO L85 PathProgramCache]: Analyzing trace with hash -747175087, now seen corresponding path program 1 times [2024-11-27 23:32:38,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:38,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060581679] [2024-11-27 23:32:38,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:38,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:32:39,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:39,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060581679] [2024-11-27 23:32:39,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060581679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:39,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328525946] [2024-11-27 23:32:39,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:39,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:39,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:39,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:32:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:40,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 2600 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:40,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:32:40,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:40,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328525946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:40,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:40,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:40,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546817295] [2024-11-27 23:32:40,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:40,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:40,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:40,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:40,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:40,602 INFO L87 Difference]: Start difference. First operand 1254 states and 1740 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) [2024-11-27 23:32:44,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:32:44,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:44,704 INFO L93 Difference]: Finished difference Result 1256 states and 1741 transitions. [2024-11-27 23:32:44,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:44,705 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 [2024-11-27 23:32:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:44,713 INFO L225 Difference]: With dead ends: 1256 [2024-11-27 23:32:44,713 INFO L226 Difference]: Without dead ends: 1253 [2024-11-27 23:32:44,714 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 [2024-11-27 23:32:44,715 INFO L435 NwaCegarLoop]: 721 mSDtfsCounter, 680 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:44,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 721 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-27 23:32:44,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-27 23:32:44,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2024-11-27 23:32:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 931 states have (on average 1.3480128893662728) internal successors, (1255), 940 states have internal predecessors, (1255), 243 states have call successors, (243), 79 states have call predecessors, (243), 78 states have return successors, (240), 240 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-27 23:32:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1738 transitions. [2024-11-27 23:32:44,828 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1738 transitions. Word has length 47 [2024-11-27 23:32:44,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:44,828 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1738 transitions. [2024-11-27 23:32:44,828 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) [2024-11-27 23:32:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1738 transitions. [2024-11-27 23:32:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-27 23:32:44,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:44,829 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] [2024-11-27 23:32:44,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 23:32:45,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:45,031 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:45,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:45,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1687807783, now seen corresponding path program 1 times [2024-11-27 23:32:45,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:45,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280762935] [2024-11-27 23:32:45,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:45,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 23:32:45,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:45,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280762935] [2024-11-27 23:32:45,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280762935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:45,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164145124] [2024-11-27 23:32:45,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:45,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:45,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:45,853 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:45,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 23:32:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:47,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:47,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:32:47,181 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:47,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164145124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:47,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:47,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:47,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689780568] [2024-11-27 23:32:47,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:47,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:47,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:47,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:47,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:47,182 INFO L87 Difference]: Start difference. First operand 1253 states and 1738 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) [2024-11-27 23:32:51,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:32:51,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:51,328 INFO L93 Difference]: Finished difference Result 1677 states and 2306 transitions. [2024-11-27 23:32:51,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:51,329 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 [2024-11-27 23:32:51,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:51,340 INFO L225 Difference]: With dead ends: 1677 [2024-11-27 23:32:51,341 INFO L226 Difference]: Without dead ends: 1640 [2024-11-27 23:32:51,342 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 [2024-11-27 23:32:51,343 INFO L435 NwaCegarLoop]: 786 mSDtfsCounter, 635 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1126 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 [2024-11-27 23:32:51,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 1126 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 23:32:51,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2024-11-27 23:32:51,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2024-11-27 23:32:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1196 states have (on average 1.330267558528428) internal successors, (1591), 1207 states have internal predecessors, (1591), 334 states have call successors, (334), 110 states have call predecessors, (334), 109 states have return successors, (333), 333 states have call predecessors, (333), 333 states have call successors, (333) [2024-11-27 23:32:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2258 transitions. [2024-11-27 23:32:51,461 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2258 transitions. Word has length 48 [2024-11-27 23:32:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:51,461 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 2258 transitions. [2024-11-27 23:32:51,461 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) [2024-11-27 23:32:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2258 transitions. [2024-11-27 23:32:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-27 23:32:51,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:51,465 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] [2024-11-27 23:32:51,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 23:32:51,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 23:32:51,666 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:51,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:51,667 INFO L85 PathProgramCache]: Analyzing trace with hash -300997162, now seen corresponding path program 1 times [2024-11-27 23:32:51,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:51,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142639076] [2024-11-27 23:32:51,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-27 23:32:52,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:52,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142639076] [2024-11-27 23:32:52,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142639076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:52,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816461770] [2024-11-27 23:32:52,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:52,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:52,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:52,417 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:52,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 23:32:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:53,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:32:53,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 23:32:53,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:53,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816461770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:53,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:53,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:53,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007052209] [2024-11-27 23:32:53,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:53,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:53,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:53,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:53,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:53,697 INFO L87 Difference]: Start difference. First operand 1640 states and 2258 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:32:53,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:53,833 INFO L93 Difference]: Finished difference Result 3294 states and 4538 transitions. [2024-11-27 23:32:53,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:53,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 75 [2024-11-27 23:32:53,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:53,844 INFO L225 Difference]: With dead ends: 3294 [2024-11-27 23:32:53,845 INFO L226 Difference]: Without dead ends: 1657 [2024-11-27 23:32:53,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:53,852 INFO L435 NwaCegarLoop]: 676 mSDtfsCounter, 17 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:53,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1343 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:53,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2024-11-27 23:32:53,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1642. [2024-11-27 23:32:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 1198 states have (on average 1.3297161936560935) internal successors, (1593), 1209 states have internal predecessors, (1593), 334 states have call successors, (334), 110 states have call predecessors, (334), 109 states have return successors, (333), 333 states have call predecessors, (333), 333 states have call successors, (333) [2024-11-27 23:32:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2260 transitions. [2024-11-27 23:32:53,957 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2260 transitions. Word has length 75 [2024-11-27 23:32:53,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:53,958 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 2260 transitions. [2024-11-27 23:32:53,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:32:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2260 transitions. [2024-11-27 23:32:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-27 23:32:53,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:53,960 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] [2024-11-27 23:32:53,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 23:32:54,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 23:32:54,161 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:54,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash -559058879, now seen corresponding path program 1 times [2024-11-27 23:32:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:54,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129165298] [2024-11-27 23:32:54,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 23:32:54,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:54,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129165298] [2024-11-27 23:32:54,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129165298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:54,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457880354] [2024-11-27 23:32:54,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:54,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:32:54,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:54,934 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:32:54,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 23:32:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:56,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 2829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:56,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 23:32:56,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:56,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457880354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:56,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:32:56,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-27 23:32:56,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430887406] [2024-11-27 23:32:56,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:56,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:56,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:56,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:56,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:56,416 INFO L87 Difference]: Start difference. First operand 1642 states and 2260 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:33:00,459 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 [] [2024-11-27 23:33:00,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:00,555 INFO L93 Difference]: Finished difference Result 1642 states and 2260 transitions. [2024-11-27 23:33:00,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:33:00,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-11-27 23:33:00,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:00,557 INFO L225 Difference]: With dead ends: 1642 [2024-11-27 23:33:00,557 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:33:00,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:33:00,563 INFO L435 NwaCegarLoop]: 915 mSDtfsCounter, 330 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1556 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 [2024-11-27 23:33:00,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1556 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 23:33:00,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:33:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:33:00,564 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) [2024-11-27 23:33:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:33:00,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2024-11-27 23:33:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:00,566 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:33:00,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:33:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:33:00,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:33:00,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:33:00,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 23:33:00,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 23:33:00,772 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:00,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 23:33:19,142 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:33:19,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:33:19 BoogieIcfgContainer [2024-11-27 23:33:19,161 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:33:19,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:33:19,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:33:19,162 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:33:19,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:09" (3/4) ... [2024-11-27 23:33:19,165 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:33:19,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-27 23:33:19,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-11-27 23:33:19,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-11-27 23:33:19,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-11-27 23:33:19,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2024-11-27 23:33:19,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-11-27 23:33:19,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-27 23:33:19,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2024-11-27 23:33:19,174 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2024-11-27 23:33:19,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2024-11-27 23:33:19,217 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 212 nodes and edges [2024-11-27 23:33:19,221 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2024-11-27 23:33:19,224 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-11-27 23:33:19,226 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-27 23:33:19,229 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:33:19,231 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 23:33:19,234 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:33:19,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:33:19,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:33:19,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:33:19,534 INFO L158 Benchmark]: Toolchain (without parser) took 80252.60ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 889.2MB). Free memory was 89.7MB in the beginning and 520.3MB in the end (delta: -430.7MB). Peak memory consumption was 461.7MB. Max. memory is 16.1GB. [2024-11-27 23:33:19,535 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:19,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1507.15ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 59.8MB in the end (delta: 29.6MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-11-27 23:33:19,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.54ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 45.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:33:19,536 INFO L158 Benchmark]: Boogie Preprocessor took 419.04ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.8MB in the beginning and 285.5MB in the end (delta: -239.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-27 23:33:19,536 INFO L158 Benchmark]: RCFGBuilder took 7777.55ms. Allocated memory is still 352.3MB. Free memory was 285.5MB in the beginning and 180.5MB in the end (delta: 105.0MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2024-11-27 23:33:19,537 INFO L158 Benchmark]: TraceAbstraction took 69967.02ms. Allocated memory was 352.3MB in the beginning and 1.0GB in the end (delta: 654.3MB). Free memory was 180.5MB in the beginning and 553.6MB in the end (delta: -373.1MB). Peak memory consumption was 520.9MB. Max. memory is 16.1GB. [2024-11-27 23:33:19,537 INFO L158 Benchmark]: Witness Printer took 371.39ms. Allocated memory is still 1.0GB. Free memory was 553.6MB in the beginning and 520.3MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 23:33:19,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1507.15ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 59.8MB in the end (delta: 29.6MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.54ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 45.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 419.04ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.8MB in the beginning and 285.5MB in the end (delta: -239.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7777.55ms. Allocated memory is still 352.3MB. Free memory was 285.5MB in the beginning and 180.5MB in the end (delta: 105.0MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. * TraceAbstraction took 69967.02ms. Allocated memory was 352.3MB in the beginning and 1.0GB in the end (delta: 654.3MB). Free memory was 180.5MB in the beginning and 553.6MB in the end (delta: -373.1MB). Peak memory consumption was 520.9MB. Max. memory is 16.1GB. * Witness Printer took 371.39ms. Allocated memory is still 1.0GB. Free memory was 553.6MB in the beginning and 520.3MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2808]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2808] - GenericResultAtLocation [Line: 2815]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2815-2816] * 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: 4044]: 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 32 procedures, 529 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 5644 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5635 mSDsluCounter, 13854 SdHoareTripleChecker+Invalid, 24.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4370 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 9484 mSDtfsCounter, 91 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1642occurred in iteration=11, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 70 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 920 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 21223 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 84/92 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: 3770]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3092]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3254]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3232]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3201]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3413]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3254]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3181]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) && (ldv_mutex_pg_mutex == 2)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pg_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) RESULT: Ultimate proved your program to be correct! [2024-11-27 23:33:19,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54237231-403d-47b5-8fe6-4f28be5b6164/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE