./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.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_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/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_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/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_574f6296-ee55-4567-8981-5ab3b0e5690e/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 1657481d5228681bef1950f6f1ab81a8ec46d121315dee697958f1e243133bbf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:53:59,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:53:59,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:53:59,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:53:59,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:53:59,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:53:59,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:53:59,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:53:59,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:53:59,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:53:59,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:53:59,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:53:59,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:53:59,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:53:59,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:53:59,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:53:59,473 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:53:59,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:53:59,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:53:59,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:53:59,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:53:59,474 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_574f6296-ee55-4567-8981-5ab3b0e5690e/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 -> 1657481d5228681bef1950f6f1ab81a8ec46d121315dee697958f1e243133bbf [2024-12-02 11:53:59,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:53:59,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:53:59,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:53:59,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:53:59,727 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:53:59,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2024-12-02 11:54:02,394 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/data/a28a7d75e/68a75d8477c84bee985dcbe1452061c6/FLAG73c9bee3a [2024-12-02 11:54:02,762 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:54:02,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2024-12-02 11:54:02,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/data/a28a7d75e/68a75d8477c84bee985dcbe1452061c6/FLAG73c9bee3a [2024-12-02 11:54:02,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/data/a28a7d75e/68a75d8477c84bee985dcbe1452061c6 [2024-12-02 11:54:02,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:54:02,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:54:02,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:54:02,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:54:02,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:54:02,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:54:02" (1/1) ... [2024-12-02 11:54:02,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e493e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:02, skipping insertion in model container [2024-12-02 11:54:02,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:54:02" (1/1) ... [2024-12-02 11:54:03,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:54:03,569 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_574f6296-ee55-4567-8981-5ab3b0e5690e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2024-12-02 11:54:03,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:54:03,845 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:54:03,974 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_574f6296-ee55-4567-8981-5ab3b0e5690e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2024-12-02 11:54:04,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:54:04,088 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:54:04,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04 WrapperNode [2024-12-02 11:54:04,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:54:04,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:54:04,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:54:04,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:54:04,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,163 INFO L138 Inliner]: procedures = 97, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1137 [2024-12-02 11:54:04,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:54:04,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:54:04,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:54:04,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:54:04,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,268 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [26, 2, 2, 2, 23, 4, 86, 7, 4, 6, 4]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 0, 0, 0, 0, 6, 7, 0, 0, 4]. The 94 writes are split as follows [26, 0, 1, 1, 23, 3, 30, 0, 4, 6, 0]. [2024-12-02 11:54:04,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,302 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:54:04,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:54:04,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:54:04,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:54:04,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (1/1) ... [2024-12-02 11:54:04,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:54:04,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:54:04,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:54:04,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 11:54:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:54:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 11:54:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-12-02 11:54:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:54:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 11:54:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 11:54:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2024-12-02 11:54:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2024-12-02 11:54:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 11:54:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 11:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 11:54:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 11:54:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:54:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:54:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2024-12-02 11:54:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2024-12-02 11:54:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:54:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:54:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:54:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:54:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-12-02 11:54:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:54:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-12-02 11:54:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 11:54:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 11:54:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-12-02 11:54:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:54:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:54:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:54:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:54:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:54:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:54:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 11:54:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 11:54:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:54:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:54:04,756 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:54:04,759 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:54:04,790 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 11:54:07,913 INFO L? ?]: Removed 456 outVars from TransFormulas that were not future-live. [2024-12-02 11:54:07,913 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:54:07,931 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:54:07,931 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:54:07,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:07 BoogieIcfgContainer [2024-12-02 11:54:07,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:54:07,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:54:07,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:54:07,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:54:07,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:54:02" (1/3) ... [2024-12-02 11:54:07,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528c230c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:54:07, skipping insertion in model container [2024-12-02 11:54:07,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:04" (2/3) ... [2024-12-02 11:54:07,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528c230c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:54:07, skipping insertion in model container [2024-12-02 11:54:07,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:07" (3/3) ... [2024-12-02 11:54:07,942 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2024-12-02 11:54:07,953 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:54:07,955 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i that has 29 procedures, 428 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2024-12-02 11:54:08,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:54:08,024 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;@62b76943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:54:08,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:54:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 294 states have (on average 1.336734693877551) internal successors, (393), 306 states have internal predecessors, (393), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-12-02 11:54:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 11:54:08,038 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:08,039 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:08,039 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:08,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:08,044 INFO L85 PathProgramCache]: Analyzing trace with hash -820657896, now seen corresponding path program 1 times [2024-12-02 11:54:08,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:08,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354463970] [2024-12-02 11:54:08,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:08,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:54:08,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:08,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354463970] [2024-12-02 11:54:08,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354463970] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:08,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:08,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:08,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920636802] [2024-12-02 11:54:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:08,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:08,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:08,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:08,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:08,589 INFO L87 Difference]: Start difference. First operand has 411 states, 294 states have (on average 1.336734693877551) internal successors, (393), 306 states have internal predecessors, (393), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:10,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:54:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:10,926 INFO L93 Difference]: Finished difference Result 1170 states and 1684 transitions. [2024-12-02 11:54:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:10,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-12-02 11:54:10,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:10,941 INFO L225 Difference]: With dead ends: 1170 [2024-12-02 11:54:10,941 INFO L226 Difference]: Without dead ends: 748 [2024-12-02 11:54:10,946 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 11:54:10,948 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 486 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:10,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1106 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 11:54:10,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-12-02 11:54:11,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2024-12-02 11:54:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 542 states have (on average 1.2988929889298892) internal successors, (704), 550 states have internal predecessors, (704), 164 states have call successors, (164), 42 states have call predecessors, (164), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-12-02 11:54:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1027 transitions. [2024-12-02 11:54:11,038 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1027 transitions. Word has length 40 [2024-12-02 11:54:11,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:11,038 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1027 transitions. [2024-12-02 11:54:11,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:11,038 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1027 transitions. [2024-12-02 11:54:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-02 11:54:11,040 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:11,041 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:11,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:54:11,041 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:11,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:11,042 INFO L85 PathProgramCache]: Analyzing trace with hash 78767051, now seen corresponding path program 1 times [2024-12-02 11:54:11,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:11,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282423922] [2024-12-02 11:54:11,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:11,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:54:11,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:11,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282423922] [2024-12-02 11:54:11,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282423922] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:11,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:11,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:11,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573436955] [2024-12-02 11:54:11,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:11,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:11,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:11,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:11,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:11,401 INFO L87 Difference]: Start difference. First operand 748 states and 1027 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:11,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:11,442 INFO L93 Difference]: Finished difference Result 750 states and 1028 transitions. [2024-12-02 11:54:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:11,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-12-02 11:54:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:11,448 INFO L225 Difference]: With dead ends: 750 [2024-12-02 11:54:11,448 INFO L226 Difference]: Without dead ends: 747 [2024-12-02 11:54:11,448 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 11:54:11,449 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 522 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 544 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 [2024-12-02 11:54:11,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 544 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:11,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-12-02 11:54:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2024-12-02 11:54:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 542 states have (on average 1.2970479704797049) internal successors, (703), 549 states have internal predecessors, (703), 163 states have call successors, (163), 42 states have call predecessors, (163), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-12-02 11:54:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1025 transitions. [2024-12-02 11:54:11,496 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1025 transitions. Word has length 42 [2024-12-02 11:54:11,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:11,496 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1025 transitions. [2024-12-02 11:54:11,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1025 transitions. [2024-12-02 11:54:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-02 11:54:11,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:11,498 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:11,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:54:11,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:11,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:11,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1853410880, now seen corresponding path program 1 times [2024-12-02 11:54:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:11,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082673407] [2024-12-02 11:54:11,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:11,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:54:11,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:11,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082673407] [2024-12-02 11:54:11,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082673407] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:11,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:11,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:11,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18177734] [2024-12-02 11:54:11,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:11,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:11,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:11,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:11,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:11,838 INFO L87 Difference]: Start difference. First operand 747 states and 1025 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:11,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:11,912 INFO L93 Difference]: Finished difference Result 749 states and 1026 transitions. [2024-12-02 11:54:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:11,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2024-12-02 11:54:11,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:11,916 INFO L225 Difference]: With dead ends: 749 [2024-12-02 11:54:11,916 INFO L226 Difference]: Without dead ends: 746 [2024-12-02 11:54:11,917 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 11:54:11,918 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 519 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 542 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 [2024-12-02 11:54:11,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 542 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:11,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-12-02 11:54:11,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2024-12-02 11:54:11,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 542 states have (on average 1.2952029520295203) internal successors, (702), 548 states have internal predecessors, (702), 162 states have call successors, (162), 42 states have call predecessors, (162), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-12-02 11:54:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions. [2024-12-02 11:54:11,976 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 43 [2024-12-02 11:54:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:11,976 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions. [2024-12-02 11:54:11,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions. [2024-12-02 11:54:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-02 11:54:11,978 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:11,978 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:11,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:54:11,978 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:11,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:11,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1621379730, now seen corresponding path program 1 times [2024-12-02 11:54:11,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:11,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804854909] [2024-12-02 11:54:11,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:11,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:54:12,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804854909] [2024-12-02 11:54:12,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804854909] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:12,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:12,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:12,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401216962] [2024-12-02 11:54:12,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:12,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:12,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:12,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:12,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:12,105 INFO L87 Difference]: Start difference. First operand 746 states and 1023 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:12,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:12,162 INFO L93 Difference]: Finished difference Result 748 states and 1024 transitions. [2024-12-02 11:54:12,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:12,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2024-12-02 11:54:12,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:12,168 INFO L225 Difference]: With dead ends: 748 [2024-12-02 11:54:12,168 INFO L226 Difference]: Without dead ends: 745 [2024-12-02 11:54:12,169 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 11:54:12,169 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 516 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 540 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 [2024-12-02 11:54:12,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 540 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:12,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-12-02 11:54:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2024-12-02 11:54:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 542 states have (on average 1.2933579335793357) internal successors, (701), 547 states have internal predecessors, (701), 161 states have call successors, (161), 42 states have call predecessors, (161), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-12-02 11:54:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1021 transitions. [2024-12-02 11:54:12,230 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1021 transitions. Word has length 44 [2024-12-02 11:54:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:12,230 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1021 transitions. [2024-12-02 11:54:12,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1021 transitions. [2024-12-02 11:54:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 11:54:12,232 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:12,232 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:12,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:54:12,232 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:12,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:12,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1276623491, now seen corresponding path program 1 times [2024-12-02 11:54:12,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:12,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399428627] [2024-12-02 11:54:12,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:12,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:54:12,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:12,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399428627] [2024-12-02 11:54:12,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399428627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:12,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:12,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:12,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156176183] [2024-12-02 11:54:12,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:12,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:12,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:12,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:12,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:12,417 INFO L87 Difference]: Start difference. First operand 745 states and 1021 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:12,512 INFO L93 Difference]: Finished difference Result 747 states and 1022 transitions. [2024-12-02 11:54:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:12,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2024-12-02 11:54:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:12,517 INFO L225 Difference]: With dead ends: 747 [2024-12-02 11:54:12,517 INFO L226 Difference]: Without dead ends: 744 [2024-12-02 11:54:12,517 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 11:54:12,518 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 513 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 538 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 [2024-12-02 11:54:12,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 538 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-12-02 11:54:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2024-12-02 11:54:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 542 states have (on average 1.2915129151291513) internal successors, (700), 546 states have internal predecessors, (700), 160 states have call successors, (160), 42 states have call predecessors, (160), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2024-12-02 11:54:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1019 transitions. [2024-12-02 11:54:12,620 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1019 transitions. Word has length 45 [2024-12-02 11:54:12,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:12,620 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1019 transitions. [2024-12-02 11:54:12,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1019 transitions. [2024-12-02 11:54:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-02 11:54:12,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:12,622 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:12,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:54:12,622 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:54:12,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:12,622 INFO L85 PathProgramCache]: Analyzing trace with hash 920414993, now seen corresponding path program 1 times [2024-12-02 11:54:12,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:12,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466433516] [2024-12-02 11:54:12,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:54:12,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:12,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466433516] [2024-12-02 11:54:12,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466433516] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:12,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:12,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:54:12,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146720022] [2024-12-02 11:54:12,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:12,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:12,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:12,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:12,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:12,804 INFO L87 Difference]: Start difference. First operand 744 states and 1019 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:12,895 INFO L93 Difference]: Finished difference Result 744 states and 1019 transitions. [2024-12-02 11:54:12,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:12,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2024-12-02 11:54:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:12,896 INFO L225 Difference]: With dead ends: 744 [2024-12-02 11:54:12,896 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 11:54:12,897 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 11:54:12,898 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 509 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:12,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 11:54:12,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 11:54:12,899 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 11:54:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 11:54:12,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2024-12-02 11:54:12,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:12,900 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:54:12,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:54:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 11:54:12,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 11:54:12,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:54:12,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:54:12,906 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 11:54:12,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 11:54:19,371 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:54:19,382 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2024-12-02 11:54:19,382 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base [2024-12-02 11:54:19,382 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset [2024-12-02 11:54:19,383 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2024-12-02 11:54:19,383 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset [2024-12-02 11:54:19,387 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2024-12-02 11:54:19,388 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base [2024-12-02 11:54:19,388 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset [2024-12-02 11:54:19,388 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2024-12-02 11:54:19,388 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset [2024-12-02 11:54:19,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:54:19 BoogieIcfgContainer [2024-12-02 11:54:19,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:54:19,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:54:19,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:54:19,389 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:54:19,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:07" (3/4) ... [2024-12-02 11:54:19,392 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spi_message_add_tail [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-12-02 11:54:19,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spi_message_init [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_reset [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_release_2 [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure to_spi_device [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spi_sync [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 11:54:19,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_init [2024-12-02 11:54:19,412 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2024-12-02 11:54:19,413 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2024-12-02 11:54:19,414 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-02 11:54:19,415 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-02 11:54:19,416 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 11:54:19,417 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:54:19,528 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:54:19,528 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:54:19,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:54:19,529 INFO L158 Benchmark]: Toolchain (without parser) took 16559.19ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 107.9MB in the beginning and 138.3MB in the end (delta: -30.3MB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. [2024-12-02 11:54:19,529 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:54:19,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1117.66ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 84.2MB in the end (delta: 23.7MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2024-12-02 11:54:19,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.76ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 76.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:54:19,530 INFO L158 Benchmark]: Boogie Preprocessor took 178.47ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 51.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 11:54:19,530 INFO L158 Benchmark]: RCFGBuilder took 3589.06ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 51.4MB in the beginning and 152.5MB in the end (delta: -101.0MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2024-12-02 11:54:19,530 INFO L158 Benchmark]: TraceAbstraction took 11453.99ms. Allocated memory was 318.8MB in the beginning and 419.4MB in the end (delta: 100.7MB). Free memory was 152.0MB in the beginning and 159.1MB in the end (delta: -7.2MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2024-12-02 11:54:19,531 INFO L158 Benchmark]: Witness Printer took 139.10ms. Allocated memory is still 419.4MB. Free memory was 159.1MB in the beginning and 138.3MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:54:19,532 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 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1117.66ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 84.2MB in the end (delta: 23.7MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.76ms. Allocated memory is still 142.6MB. Free memory was 84.2MB in the beginning and 76.6MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 178.47ms. Allocated memory is still 142.6MB. Free memory was 76.6MB in the beginning and 51.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3589.06ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 51.4MB in the beginning and 152.5MB in the end (delta: -101.0MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11453.99ms. Allocated memory was 318.8MB in the beginning and 419.4MB in the end (delta: 100.7MB). Free memory was 152.0MB in the beginning and 159.1MB in the end (delta: -7.2MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. * Witness Printer took 139.10ms. Allocated memory is still 419.4MB. Free memory was 159.1MB in the beginning and 138.3MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset * 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: 6418]: 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, 428 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3065 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3065 mSDsluCounter, 3806 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 546 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3260 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=748occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 24/24 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: 6868]: Location Invariant Derived location invariant: (((INTERF_STATE == 0) && (dev_counter == 0)) && (SERIAL_STATE == 0)) - InvariantResult [Line: 6802]: Location Invariant Derived location invariant: (((INTERF_STATE == 0) && (dev_counter == 0)) && (SERIAL_STATE == 0)) RESULT: Ultimate proved your program to be correct! [2024-12-02 11:54:19,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574f6296-ee55-4567-8981-5ab3b0e5690e/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