./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.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_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1 --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 db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:08:15,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:08:15,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:08:15,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:08:15,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:08:15,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:08:15,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:08:15,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:08:15,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:08:15,264 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:08:15,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:08:15,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:08:15,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:08:15,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:08:15,265 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:08:15,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:08:15,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:08:15,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:08:15,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:08:15,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:08:15,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:08:15,266 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:08:15,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:08:15,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:08:15,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:08:15,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:08:15,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:08:15,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:08:15,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:08:15,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:08:15,267 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:08:15,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:08:15,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:08:15,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:08:15,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:08:15,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:08:15,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:08:15,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:08:15,268 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_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1 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 -> db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 [2024-12-02 13:08:15,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:08:15,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:08:15,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:08:15,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:08:15,481 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:08:15,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2024-12-02 13:08:18,081 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/data/3c2f76eb8/b715e15514a1457fb77bb3bb27375ad0/FLAG53d7baa84 [2024-12-02 13:08:18,377 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:08:18,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2024-12-02 13:08:18,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/data/3c2f76eb8/b715e15514a1457fb77bb3bb27375ad0/FLAG53d7baa84 [2024-12-02 13:08:18,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/data/3c2f76eb8/b715e15514a1457fb77bb3bb27375ad0 [2024-12-02 13:08:18,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:08:18,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:08:18,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:08:18,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:08:18,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:08:18,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:08:18" (1/1) ... [2024-12-02 13:08:18,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530c08c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:18, skipping insertion in model container [2024-12-02 13:08:18,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:08:18" (1/1) ... [2024-12-02 13:08:18,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:08:18,905 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2024-12-02 13:08:18,905 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2024-12-02 13:08:18,974 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_a18f6973-f7a7-4491-89b6-a0346cf88b64/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2024-12-02 13:08:19,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:08:19,437 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:08:19,476 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2024-12-02 13:08:19,476 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2024-12-02 13:08:19,483 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_a18f6973-f7a7-4491-89b6-a0346cf88b64/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2024-12-02 13:08:19,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:08:20,084 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:08:20,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20 WrapperNode [2024-12-02 13:08:20,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:08:20,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:08:20,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:08:20,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:08:20,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:20,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:21,043 INFO L138 Inliner]: procedures = 93, calls = 33281, calls flagged for inlining = 34, calls inlined = 31, statements flattened = 33880 [2024-12-02 13:08:21,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:08:21,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:08:21,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:08:21,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:08:21,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:21,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:21,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:21,495 INFO L175 MemorySlicer]: Split 33143 memory accesses to 8 slices as follows [2, 269, 2, 4, 4, 11, 32843, 8]. 99 percent of accesses are in the largest equivalence class. The 32774 initializations are split as follows [2, 0, 0, 0, 0, 0, 32768, 4]. The 344 writes are split as follows [0, 268, 0, 0, 2, 11, 63, 0]. [2024-12-02 13:08:21,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:21,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:22,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:22,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:22,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:22,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:22,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:22,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:08:22,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:08:22,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:08:22,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:08:22,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (1/1) ... [2024-12-02 13:08:22,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:08:22,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:08:22,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:08:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:08:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 13:08:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 13:08:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_unregister_n [2024-12-02 13:08:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_unregister_n [2024-12-02 13:08:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:08:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:08:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:08:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:08:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:08:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:08:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:08:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:08:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ff_validate [2024-12-02 13:08:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_validate [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:08:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:08:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:08:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:08:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:08:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:08:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:08:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:08:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:08:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:08:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:08:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:08:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:08:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:08:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:08:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ff_irq_request [2024-12-02 13:08:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_irq_request [2024-12-02 13:08:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:08:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:08:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2024-12-02 13:08:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ff_reprogram [2024-12-02 13:08:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_reprogram [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ff_writel [2024-12-02 13:08:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_writel [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:08:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ff_readl [2024-12-02 13:08:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_readl [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 13:08:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_register_n [2024-12-02 13:08:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_register_n [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2024-12-02 13:08:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 13:08:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-12-02 13:08:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-12-02 13:08:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:08:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_create [2024-12-02 13:08:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_create [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:08:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:08:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:08:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 13:08:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 13:08:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:08:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:08:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 13:08:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 13:08:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-12-02 13:08:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-12-02 13:08:22,637 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:08:22,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:08:22,677 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:12:34,177 INFO L? ?]: Removed 485 outVars from TransFormulas that were not future-live. [2024-12-02 13:12:34,177 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:12:34,191 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:12:34,191 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 13:12:34,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:34 BoogieIcfgContainer [2024-12-02 13:12:34,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:12:34,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:12:34,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:12:34,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:12:34,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:08:18" (1/3) ... [2024-12-02 13:12:34,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89c9d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:34, skipping insertion in model container [2024-12-02 13:12:34,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:08:20" (2/3) ... [2024-12-02 13:12:34,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89c9d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:12:34, skipping insertion in model container [2024-12-02 13:12:34,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:34" (3/3) ... [2024-12-02 13:12:34,199 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2024-12-02 13:12:34,213 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:12:34,216 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i that has 29 procedures, 337 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2024-12-02 13:12:34,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:12:34,281 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;@6452d7bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:12:34,281 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:12:34,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 222 states have (on average 1.3738738738738738) internal successors, (305), 230 states have internal predecessors, (305), 57 states have call successors, (57), 21 states have call predecessors, (57), 20 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-12-02 13:12:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 13:12:34,295 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:34,296 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:12:34,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:34,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:34,301 INFO L85 PathProgramCache]: Analyzing trace with hash 840099916, now seen corresponding path program 1 times [2024-12-02 13:12:34,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:12:34,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872028954] [2024-12-02 13:12:34,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:13:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:13:49,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:13:49,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872028954] [2024-12-02 13:13:49,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872028954] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:13:49,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:13:49,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:13:49,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192014506] [2024-12-02 13:13:49,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:13:49,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:13:49,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:13:49,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:13:49,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:13:49,560 INFO L87 Difference]: Start difference. First operand has 301 states, 222 states have (on average 1.3738738738738738) internal successors, (305), 230 states have internal predecessors, (305), 57 states have call successors, (57), 21 states have call predecessors, (57), 20 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 13:13:49,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:49,710 INFO L93 Difference]: Finished difference Result 605 states and 853 transitions. [2024-12-02 13:13:49,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:13:49,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-12-02 13:13:49,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:49,723 INFO L225 Difference]: With dead ends: 605 [2024-12-02 13:13:49,723 INFO L226 Difference]: Without dead ends: 291 [2024-12-02 13:13:49,727 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 [2024-12-02 13:13:49,729 INFO L435 NwaCegarLoop]: 408 mSDtfsCounter, 6 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:49,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 805 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:13:49,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-12-02 13:13:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 284. [2024-12-02 13:13:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 213 states have (on average 1.3427230046948357) internal successors, (286), 214 states have internal predecessors, (286), 51 states have call successors, (51), 20 states have call predecessors, (51), 19 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:13:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 387 transitions. [2024-12-02 13:13:49,781 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 387 transitions. Word has length 50 [2024-12-02 13:13:49,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:49,782 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 387 transitions. [2024-12-02 13:13:49,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 13:13:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 387 transitions. [2024-12-02 13:13:49,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-02 13:13:49,785 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:49,785 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:13:49,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:13:49,786 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:49,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:49,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1810271873, now seen corresponding path program 1 times [2024-12-02 13:13:49,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:13:49,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260729327] [2024-12-02 13:13:49,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:49,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:15:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:15:00,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:15:00,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260729327] [2024-12-02 13:15:00,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260729327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:15:00,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:15:00,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:15:00,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990674660] [2024-12-02 13:15:00,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:15:00,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:15:00,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:15:00,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:15:00,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:15:00,550 INFO L87 Difference]: Start difference. First operand 284 states and 387 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 13:15:01,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:15:01,752 INFO L93 Difference]: Finished difference Result 791 states and 1074 transitions. [2024-12-02 13:15:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:15:01,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 57 [2024-12-02 13:15:01,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:15:01,757 INFO L225 Difference]: With dead ends: 791 [2024-12-02 13:15:01,758 INFO L226 Difference]: Without dead ends: 522 [2024-12-02 13:15:01,759 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 [2024-12-02 13:15:01,759 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 333 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:15:01,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 741 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:15:01,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-12-02 13:15:01,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 519. [2024-12-02 13:15:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 394 states have (on average 1.350253807106599) internal successors, (532), 395 states have internal predecessors, (532), 87 states have call successors, (87), 38 states have call predecessors, (87), 37 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-12-02 13:15:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 705 transitions. [2024-12-02 13:15:01,794 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 705 transitions. Word has length 57 [2024-12-02 13:15:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:15:01,795 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 705 transitions. [2024-12-02 13:15:01,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 13:15:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 705 transitions. [2024-12-02 13:15:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-02 13:15:01,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:15:01,797 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:15:01,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:15:01,798 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:15:01,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:15:01,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1340197933, now seen corresponding path program 1 times [2024-12-02 13:15:01,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:15:01,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649806705] [2024-12-02 13:15:01,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:15:01,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:16:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:16:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:16:14,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:16:14,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649806705] [2024-12-02 13:16:14,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649806705] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:16:14,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323675948] [2024-12-02 13:16:14,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:16:14,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:16:14,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:16:14,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:16:14,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:17:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:17:36,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 68905 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:17:36,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:17:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 13:17:36,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:17:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323675948] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:17:36,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:17:36,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 13:17:36,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039859118] [2024-12-02 13:17:36,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:17:36,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:17:36,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:17:36,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:17:36,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:36,408 INFO L87 Difference]: Start difference. First operand 519 states and 705 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 13:17:36,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:17:36,470 INFO L93 Difference]: Finished difference Result 524 states and 711 transitions. [2024-12-02 13:17:36,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:17:36,471 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2024-12-02 13:17:36,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:17:36,474 INFO L225 Difference]: With dead ends: 524 [2024-12-02 13:17:36,474 INFO L226 Difference]: Without dead ends: 521 [2024-12-02 13:17:36,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:17:36,475 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:17:36,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 764 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:17:36,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-12-02 13:17:36,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2024-12-02 13:17:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 396 states have (on average 1.3484848484848484) internal successors, (534), 397 states have internal predecessors, (534), 87 states have call successors, (87), 38 states have call predecessors, (87), 37 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-12-02 13:17:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 707 transitions. [2024-12-02 13:17:36,498 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 707 transitions. Word has length 61 [2024-12-02 13:17:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:17:36,499 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 707 transitions. [2024-12-02 13:17:36,499 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 13:17:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 707 transitions. [2024-12-02 13:17:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 13:17:36,500 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:17:36,501 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:17:36,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:17:36,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:17:36,701 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:17:36,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:17:36,702 INFO L85 PathProgramCache]: Analyzing trace with hash -538346047, now seen corresponding path program 1 times [2024-12-02 13:17:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:17:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232962057] [2024-12-02 13:17:36,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:17:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:18:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:18:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 13:18:51,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:18:51,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232962057] [2024-12-02 13:18:51,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232962057] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:18:51,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137457032] [2024-12-02 13:18:51,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:18:51,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:18:51,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:18:51,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:18:51,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:20:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:20:14,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 68910 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:20:14,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:20:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-02 13:20:14,893 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:20:14,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137457032] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:20:14,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:20:14,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-12-02 13:20:14,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368837638] [2024-12-02 13:20:14,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:20:14,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:20:14,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:20:14,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:20:14,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:20:14,894 INFO L87 Difference]: Start difference. First operand 521 states and 707 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 13:20:15,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:20:15,001 INFO L93 Difference]: Finished difference Result 1005 states and 1366 transitions. [2024-12-02 13:20:15,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:20:15,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2024-12-02 13:20:15,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:20:15,003 INFO L225 Difference]: With dead ends: 1005 [2024-12-02 13:20:15,003 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:20:15,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:20:15,006 INFO L435 NwaCegarLoop]: 373 mSDtfsCounter, 333 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:20:15,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 745 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:20:15,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:20:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:20:15,007 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) [2024-12-02 13:20:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:20:15,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2024-12-02 13:20:15,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:20:15,007 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:20:15,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 13:20:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:20:15,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:20:15,010 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:20:15,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 13:20:15,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:20:15,213 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 13:20:15,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:20:21,345 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:20:21,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:20:21 BoogieIcfgContainer [2024-12-02 13:20:21,358 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:20:21,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:20:21,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:20:21,359 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:20:21,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:12:34" (3/4) ... [2024-12-02 13:20:21,361 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:20:21,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-12-02 13:20:21,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _dev_info [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fmc_device_unregister_n [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ff_readl [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fmc_device_register_n [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_firmware [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ff_validate [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_warn [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_firmware [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ff_irq_request [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ff_dev_create [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_unregister [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-12-02 13:20:21,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-12-02 13:20:21,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ff_reprogram [2024-12-02 13:20:21,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-12-02 13:20:21,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 13:20:21,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-12-02 13:20:21,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ff_writel [2024-12-02 13:20:21,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-12-02 13:20:21,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ERR_PTR [2024-12-02 13:20:21,529 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2024-12-02 13:20:21,545 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-12-02 13:20:21,561 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 13:20:21,576 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 13:20:21,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 13:20:29,489 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:20:29,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:20:29,490 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:20:29,491 INFO L158 Benchmark]: Toolchain (without parser) took 730841.11ms. Allocated memory was 142.6MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 114.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-12-02 13:20:29,491 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:29,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1435.17ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 114.6MB in the beginning and 213.7MB in the end (delta: -99.0MB). Peak memory consumption was 274.9MB. Max. memory is 16.1GB. [2024-12-02 13:20:29,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 957.64ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 687.9MB). Free memory was 213.7MB in the beginning and 776.5MB in the end (delta: -562.9MB). Peak memory consumption was 212.4MB. Max. memory is 16.1GB. [2024-12-02 13:20:29,492 INFO L158 Benchmark]: Boogie Preprocessor took 1260.52ms. Allocated memory was 1.1GB in the beginning and 2.8GB in the end (delta: 1.7GB). Free memory was 776.5MB in the beginning and 2.4GB in the end (delta: -1.6GB). Peak memory consumption was 177.0MB. Max. memory is 16.1GB. [2024-12-02 13:20:29,492 INFO L158 Benchmark]: RCFGBuilder took 251886.47ms. Allocated memory is still 2.8GB. Free memory was 2.4GB in the beginning and 972.6MB in the end (delta: 1.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-02 13:20:29,492 INFO L158 Benchmark]: TraceAbstraction took 467165.44ms. Allocated memory is still 2.8GB. Free memory was 972.6MB in the beginning and 1.6GB in the end (delta: -670.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:20:29,493 INFO L158 Benchmark]: Witness Printer took 8131.10ms. Allocated memory was 2.8GB in the beginning and 2.6GB in the end (delta: -209.7MB). Free memory was 1.6GB in the beginning and 1.3GB in the end (delta: 303.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-02 13:20:29,494 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1435.17ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 114.6MB in the beginning and 213.7MB in the end (delta: -99.0MB). Peak memory consumption was 274.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 957.64ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 687.9MB). Free memory was 213.7MB in the beginning and 776.5MB in the end (delta: -562.9MB). Peak memory consumption was 212.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1260.52ms. Allocated memory was 1.1GB in the beginning and 2.8GB in the end (delta: 1.7GB). Free memory was 776.5MB in the beginning and 2.4GB in the end (delta: -1.6GB). Peak memory consumption was 177.0MB. Max. memory is 16.1GB. * RCFGBuilder took 251886.47ms. Allocated memory is still 2.8GB. Free memory was 2.4GB in the beginning and 972.6MB in the end (delta: 1.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * TraceAbstraction took 467165.44ms. Allocated memory is still 2.8GB. Free memory was 972.6MB in the beginning and 1.6GB in the end (delta: -670.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8131.10ms. Allocated memory was 2.8GB in the beginning and 2.6GB in the end (delta: -209.7MB). Free memory was 1.6GB in the beginning and 1.3GB in the end (delta: 303.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * 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: 1464]: 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 29 procedures, 337 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 461.0s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 674 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 672 mSDsluCounter, 3055 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1504 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1551 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=521occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 24.7s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 501 SizeOfPredicates, 1 NumberOfNonLiveVariables, 137815 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 242/244 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 RESULT: Ultimate proved your program to be correct! [2024-12-02 13:20:29,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18f6973-f7a7-4491-89b6-a0346cf88b64/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE