./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC --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 a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:28:50,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:28:50,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:28:50,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:28:50,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:28:50,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:28:50,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:28:50,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:28:50,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:28:50,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:28:50,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:28:50,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:28:50,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:28:50,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:28:50,388 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:28:50,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:28:50,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:28:50,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:28:50,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:28:50,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:28:50,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:28:50,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:28:50,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:28:50,389 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:28:50,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:28:50,389 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:28:50,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:28:50,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:28:50,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:28:50,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:28:50,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:28:50,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:28:50,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:28:50,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:28:50,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:28:50,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:28:50,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:28:50,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:28:50,391 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_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC 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 -> a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 [2024-11-23 23:28:50,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:28:50,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:28:50,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:28:50,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:28:50,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:28:50,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-23 23:28:53,726 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/data/6b4375aab/78eeb7e204174a6b8f55052b8e731c34/FLAG8f8d194ce [2024-11-23 23:28:54,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:28:54,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-23 23:28:54,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/data/6b4375aab/78eeb7e204174a6b8f55052b8e731c34/FLAG8f8d194ce [2024-11-23 23:28:54,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/data/6b4375aab/78eeb7e204174a6b8f55052b8e731c34 [2024-11-23 23:28:54,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:28:54,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:28:54,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:28:54,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:28:54,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:28:54,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:54" (1/1) ... [2024-11-23 23:28:54,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b488b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:54, skipping insertion in model container [2024-11-23 23:28:54,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:54" (1/1) ... [2024-11-23 23:28:54,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:28:55,801 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_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-11-23 23:28:55,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:28:55,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:28:56,116 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_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-11-23 23:28:56,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:28:56,244 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:28:56,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56 WrapperNode [2024-11-23 23:28:56,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:28:56,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:28:56,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:28:56,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:28:56,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,449 INFO L138 Inliner]: procedures = 129, calls = 755, calls flagged for inlining = 53, calls inlined = 47, statements flattened = 2485 [2024-11-23 23:28:56,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:28:56,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:28:56,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:28:56,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:28:56,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,658 INFO L175 MemorySlicer]: Split 360 memory accesses to 17 slices as follows [2, 49, 42, 7, 2, 2, 16, 1, 6, 1, 1, 121, 8, 19, 51, 8, 24]. 34 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 6, 0]. The 228 writes are split as follows [0, 42, 42, 6, 0, 1, 16, 1, 0, 1, 0, 30, 3, 19, 43, 0, 24]. [2024-11-23 23:28:56,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:28:56,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:28:56,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:28:56,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:28:56,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (1/1) ... [2024-11-23 23:28:56,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:28:56,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:28:56,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:28:56,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:28:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-23 23:28:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-23 23:28:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:28:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:28:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:28:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:28:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:28:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:28:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:28:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:28:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:28:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:28:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2024-11-23 23:28:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2024-11-23 23:28:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:28:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:28:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:28:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:28:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:28:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:28:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:28:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:28:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-23 23:28:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-23 23:28:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:28:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:28:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:28:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:28:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:28:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:28:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2024-11-23 23:28:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2024-11-23 23:28:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2024-11-23 23:28:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:28:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:28:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:28:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:28:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:28:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:28:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:28:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:28:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:28:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:28:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:28:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:28:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:28:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:28:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:28:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:28:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:28:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:28:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:28:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-23 23:28:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2024-11-23 23:28:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:28:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-23 23:28:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-23 23:28:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-23 23:28:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2024-11-23 23:28:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:28:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:28:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:28:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:28:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:28:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:28:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:28:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:28:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:28:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:28:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:28:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:28:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:28:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:28:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:28:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:28:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:28:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:28:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2024-11-23 23:28:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2024-11-23 23:28:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2024-11-23 23:28:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2024-11-23 23:28:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2024-11-23 23:28:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2024-11-23 23:28:57,581 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:28:57,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:29:09,089 INFO L? ?]: Removed 845 outVars from TransFormulas that were not future-live. [2024-11-23 23:29:09,089 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:29:09,137 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:29:09,137 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:29:09,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:09 BoogieIcfgContainer [2024-11-23 23:29:09,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:29:09,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:29:09,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:29:09,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:29:09,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:28:54" (1/3) ... [2024-11-23 23:29:09,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294cb1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:09, skipping insertion in model container [2024-11-23 23:29:09,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:56" (2/3) ... [2024-11-23 23:29:09,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294cb1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:09, skipping insertion in model container [2024-11-23 23:29:09,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:09" (3/3) ... [2024-11-23 23:29:09,153 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-11-23 23:29:09,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:29:09,176 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i that has 31 procedures, 851 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:29:09,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:29:09,291 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;@6cfb1e5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:29:09,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:29:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 851 states, 632 states have (on average 1.3465189873417722) internal successors, (851), 645 states have internal predecessors, (851), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-23 23:29:09,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-23 23:29:09,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:09,314 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:09,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:09,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:09,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1713331787, now seen corresponding path program 1 times [2024-11-23 23:29:09,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:09,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410168492] [2024-11-23 23:29:09,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:09,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:29:12,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:12,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410168492] [2024-11-23 23:29:12,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410168492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:12,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:12,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:12,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561813252] [2024-11-23 23:29:12,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:12,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:12,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:12,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:12,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:12,686 INFO L87 Difference]: Start difference. First operand has 851 states, 632 states have (on average 1.3465189873417722) internal successors, (851), 645 states have internal predecessors, (851), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:16,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:29:17,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:17,141 INFO L93 Difference]: Finished difference Result 2527 states and 3695 transitions. [2024-11-23 23:29:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:17,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-23 23:29:17,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:17,180 INFO L225 Difference]: With dead ends: 2527 [2024-11-23 23:29:17,181 INFO L226 Difference]: Without dead ends: 1675 [2024-11-23 23:29:17,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:17,195 INFO L435 NwaCegarLoop]: 1216 mSDtfsCounter, 1188 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:17,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 2418 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:29:17,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2024-11-23 23:29:17,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1671. [2024-11-23 23:29:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1243 states have (on average 1.341110217216412) internal successors, (1667), 1261 states have internal predecessors, (1667), 369 states have call successors, (369), 59 states have call predecessors, (369), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-23 23:29:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2400 transitions. [2024-11-23 23:29:17,446 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2400 transitions. Word has length 15 [2024-11-23 23:29:17,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:17,446 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2400 transitions. [2024-11-23 23:29:17,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2400 transitions. [2024-11-23 23:29:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-23 23:29:17,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:17,448 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:17,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:29:17,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:17,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1851949622, now seen corresponding path program 1 times [2024-11-23 23:29:17,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:17,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365519015] [2024-11-23 23:29:17,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:29:19,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:19,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365519015] [2024-11-23 23:29:19,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365519015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:19,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:19,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:19,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258460154] [2024-11-23 23:29:19,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:19,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:19,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:19,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:19,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:19,807 INFO L87 Difference]: Start difference. First operand 1671 states and 2400 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:20,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:20,006 INFO L93 Difference]: Finished difference Result 1689 states and 2420 transitions. [2024-11-23 23:29:20,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:20,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-23 23:29:20,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:20,029 INFO L225 Difference]: With dead ends: 1689 [2024-11-23 23:29:20,029 INFO L226 Difference]: Without dead ends: 1680 [2024-11-23 23:29:20,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:20,032 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 1207 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:20,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 1231 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:29:20,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-11-23 23:29:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1671. [2024-11-23 23:29:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1243 states have (on average 1.340305711987128) internal successors, (1666), 1261 states have internal predecessors, (1666), 369 states have call successors, (369), 59 states have call predecessors, (369), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-23 23:29:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2399 transitions. [2024-11-23 23:29:20,208 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2399 transitions. Word has length 18 [2024-11-23 23:29:20,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:20,209 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2399 transitions. [2024-11-23 23:29:20,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2399 transitions. [2024-11-23 23:29:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-23 23:29:20,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:20,212 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:20,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:29:20,213 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:20,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:20,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1909207924, now seen corresponding path program 1 times [2024-11-23 23:29:20,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:20,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934881008] [2024-11-23 23:29:20,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:20,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:29:22,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:22,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934881008] [2024-11-23 23:29:22,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934881008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:22,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:22,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:22,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704683047] [2024-11-23 23:29:22,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:22,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:22,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:22,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:22,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:22,127 INFO L87 Difference]: Start difference. First operand 1671 states and 2399 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:26,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:29:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:26,301 INFO L93 Difference]: Finished difference Result 1673 states and 2400 transitions. [2024-11-23 23:29:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-23 23:29:26,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:26,313 INFO L225 Difference]: With dead ends: 1673 [2024-11-23 23:29:26,313 INFO L226 Difference]: Without dead ends: 1670 [2024-11-23 23:29:26,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:26,316 INFO L435 NwaCegarLoop]: 1209 mSDtfsCounter, 1195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:26,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 1209 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:29:26,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2024-11-23 23:29:26,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2024-11-23 23:29:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1243 states have (on average 1.339501206757844) internal successors, (1665), 1260 states have internal predecessors, (1665), 368 states have call successors, (368), 59 states have call predecessors, (368), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-23 23:29:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2397 transitions. [2024-11-23 23:29:26,416 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2397 transitions. Word has length 18 [2024-11-23 23:29:26,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:26,417 INFO L471 AbstractCegarLoop]: Abstraction has 1670 states and 2397 transitions. [2024-11-23 23:29:26,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:26,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2397 transitions. [2024-11-23 23:29:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-23 23:29:26,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:26,422 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:26,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:29:26,422 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:26,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:26,423 INFO L85 PathProgramCache]: Analyzing trace with hash -944462807, now seen corresponding path program 1 times [2024-11-23 23:29:26,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:26,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729059930] [2024-11-23 23:29:26,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:26,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:29:28,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:28,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729059930] [2024-11-23 23:29:28,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729059930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:28,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:28,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:28,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891028894] [2024-11-23 23:29:28,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:28,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:28,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:28,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:28,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:28,320 INFO L87 Difference]: Start difference. First operand 1670 states and 2397 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:32,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:29:32,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:32,506 INFO L93 Difference]: Finished difference Result 1672 states and 2398 transitions. [2024-11-23 23:29:32,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:32,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-23 23:29:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:32,520 INFO L225 Difference]: With dead ends: 1672 [2024-11-23 23:29:32,520 INFO L226 Difference]: Without dead ends: 1669 [2024-11-23 23:29:32,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:32,523 INFO L435 NwaCegarLoop]: 1207 mSDtfsCounter, 1192 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:32,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 23:29:32,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-11-23 23:29:32,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2024-11-23 23:29:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1243 states have (on average 1.33869670152856) internal successors, (1664), 1259 states have internal predecessors, (1664), 367 states have call successors, (367), 59 states have call predecessors, (367), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-23 23:29:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2395 transitions. [2024-11-23 23:29:32,660 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2395 transitions. Word has length 19 [2024-11-23 23:29:32,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:32,661 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2395 transitions. [2024-11-23 23:29:32,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2395 transitions. [2024-11-23 23:29:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-23 23:29:32,662 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:32,662 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:32,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:29:32,663 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:32,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:32,664 INFO L85 PathProgramCache]: Analyzing trace with hash 786062615, now seen corresponding path program 1 times [2024-11-23 23:29:32,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:32,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459235178] [2024-11-23 23:29:32,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:32,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:29:34,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:34,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459235178] [2024-11-23 23:29:34,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459235178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:34,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:34,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815023875] [2024-11-23 23:29:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:34,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:34,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:34,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:34,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:34,303 INFO L87 Difference]: Start difference. First operand 1669 states and 2395 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:38,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:29:38,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:38,743 INFO L93 Difference]: Finished difference Result 4967 states and 7147 transitions. [2024-11-23 23:29:38,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:38,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-23 23:29:38,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:38,769 INFO L225 Difference]: With dead ends: 4967 [2024-11-23 23:29:38,770 INFO L226 Difference]: Without dead ends: 3295 [2024-11-23 23:29:38,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:38,785 INFO L435 NwaCegarLoop]: 1288 mSDtfsCounter, 1186 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 2465 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:38,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 2465 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:29:38,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3295 states. [2024-11-23 23:29:38,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3295 to 3282. [2024-11-23 23:29:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 2450 states have (on average 1.3404081632653062) internal successors, (3284), 2485 states have internal predecessors, (3284), 719 states have call successors, (719), 114 states have call predecessors, (719), 112 states have return successors, (720), 708 states have call predecessors, (720), 712 states have call successors, (720) [2024-11-23 23:29:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4723 transitions. [2024-11-23 23:29:38,994 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4723 transitions. Word has length 20 [2024-11-23 23:29:38,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:38,994 INFO L471 AbstractCegarLoop]: Abstraction has 3282 states and 4723 transitions. [2024-11-23 23:29:38,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:29:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4723 transitions. [2024-11-23 23:29:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 23:29:39,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:39,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:39,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:29:39,000 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:39,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:39,001 INFO L85 PathProgramCache]: Analyzing trace with hash -180828044, now seen corresponding path program 1 times [2024-11-23 23:29:39,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:39,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123464680] [2024-11-23 23:29:39,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:39,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:29:40,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:40,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123464680] [2024-11-23 23:29:40,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123464680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:40,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:40,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:40,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772418310] [2024-11-23 23:29:40,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:40,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:40,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:40,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:40,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:40,473 INFO L87 Difference]: Start difference. First operand 3282 states and 4723 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:29:40,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:40,955 INFO L93 Difference]: Finished difference Result 9470 states and 13611 transitions. [2024-11-23 23:29:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:40,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-23 23:29:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:40,996 INFO L225 Difference]: With dead ends: 9470 [2024-11-23 23:29:40,997 INFO L226 Difference]: Without dead ends: 6191 [2024-11-23 23:29:41,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:41,019 INFO L435 NwaCegarLoop]: 1232 mSDtfsCounter, 1047 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:41,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 2422 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:29:41,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6191 states. [2024-11-23 23:29:41,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6191 to 6182. [2024-11-23 23:29:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6182 states, 4622 states have (on average 1.3379489398528774) internal successors, (6184), 4677 states have internal predecessors, (6184), 1347 states have call successors, (1347), 214 states have call predecessors, (1347), 212 states have return successors, (1348), 1336 states have call predecessors, (1348), 1340 states have call successors, (1348) [2024-11-23 23:29:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6182 states to 6182 states and 8879 transitions. [2024-11-23 23:29:41,468 INFO L78 Accepts]: Start accepts. Automaton has 6182 states and 8879 transitions. Word has length 49 [2024-11-23 23:29:41,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:41,468 INFO L471 AbstractCegarLoop]: Abstraction has 6182 states and 8879 transitions. [2024-11-23 23:29:41,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:29:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 6182 states and 8879 transitions. [2024-11-23 23:29:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-23 23:29:41,478 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:41,478 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:41,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:29:41,479 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:41,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:41,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2057658114, now seen corresponding path program 1 times [2024-11-23 23:29:41,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:41,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814745379] [2024-11-23 23:29:41,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:41,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:29:43,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:43,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814745379] [2024-11-23 23:29:43,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814745379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:43,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:43,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:43,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194058948] [2024-11-23 23:29:43,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:43,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:43,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:43,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:43,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:43,484 INFO L87 Difference]: Start difference. First operand 6182 states and 8879 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:29:47,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:29:48,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:48,251 INFO L93 Difference]: Finished difference Result 15310 states and 21999 transitions. [2024-11-23 23:29:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:48,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-23 23:29:48,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:48,333 INFO L225 Difference]: With dead ends: 15310 [2024-11-23 23:29:48,333 INFO L226 Difference]: Without dead ends: 9131 [2024-11-23 23:29:48,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:48,372 INFO L435 NwaCegarLoop]: 2251 mSDtfsCounter, 1058 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:48,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 3442 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-23 23:29:48,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9131 states. [2024-11-23 23:29:48,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9131 to 9122. [2024-11-23 23:29:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9122 states, 6834 states have (on average 1.33801580333626) internal successors, (9144), 6909 states have internal predecessors, (9144), 1975 states have call successors, (1975), 314 states have call predecessors, (1975), 312 states have return successors, (1976), 1964 states have call predecessors, (1976), 1968 states have call successors, (1976) [2024-11-23 23:29:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 13095 transitions. [2024-11-23 23:29:48,955 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 13095 transitions. Word has length 60 [2024-11-23 23:29:48,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:48,955 INFO L471 AbstractCegarLoop]: Abstraction has 9122 states and 13095 transitions. [2024-11-23 23:29:48,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:29:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 13095 transitions. [2024-11-23 23:29:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-23 23:29:48,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:48,971 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:48,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:29:48,972 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:48,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:48,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2127128416, now seen corresponding path program 1 times [2024-11-23 23:29:48,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:48,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943105691] [2024-11-23 23:29:48,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:48,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 23:29:51,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:51,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943105691] [2024-11-23 23:29:51,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943105691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:51,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:51,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:29:51,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857672113] [2024-11-23 23:29:51,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:51,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:29:51,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:51,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:29:51,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:29:51,325 INFO L87 Difference]: Start difference. First operand 9122 states and 13095 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:29:52,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:52,299 INFO L93 Difference]: Finished difference Result 18261 states and 26215 transitions. [2024-11-23 23:29:52,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:29:52,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 72 [2024-11-23 23:29:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:52,394 INFO L225 Difference]: With dead ends: 18261 [2024-11-23 23:29:52,394 INFO L226 Difference]: Without dead ends: 9142 [2024-11-23 23:29:52,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:29:52,442 INFO L435 NwaCegarLoop]: 1192 mSDtfsCounter, 1200 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 2367 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:52,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 2367 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:29:52,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9142 states. [2024-11-23 23:29:53,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9142 to 9122. [2024-11-23 23:29:53,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9122 states, 6834 states have (on average 1.3374304945858941) internal successors, (9140), 6909 states have internal predecessors, (9140), 1975 states have call successors, (1975), 314 states have call predecessors, (1975), 312 states have return successors, (1976), 1964 states have call predecessors, (1976), 1968 states have call successors, (1976) [2024-11-23 23:29:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 13091 transitions. [2024-11-23 23:29:53,339 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 13091 transitions. Word has length 72 [2024-11-23 23:29:53,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:29:53,339 INFO L471 AbstractCegarLoop]: Abstraction has 9122 states and 13091 transitions. [2024-11-23 23:29:53,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 23:29:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 13091 transitions. [2024-11-23 23:29:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 23:29:53,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:29:53,351 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:29:53,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:29:53,352 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:29:53,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:29:53,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1200228407, now seen corresponding path program 1 times [2024-11-23 23:29:53,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:29:53,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708471825] [2024-11-23 23:29:53,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:29:53,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:29:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:29:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 23:29:55,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:29:55,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708471825] [2024-11-23 23:29:55,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708471825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:29:55,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:29:55,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:29:55,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500602686] [2024-11-23 23:29:55,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:29:55,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:29:55,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:29:55,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:29:55,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:55,223 INFO L87 Difference]: Start difference. First operand 9122 states and 13091 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:29:59,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:29:59,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:29:59,814 INFO L93 Difference]: Finished difference Result 18243 states and 26180 transitions. [2024-11-23 23:29:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:29:59,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-11-23 23:29:59,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:29:59,870 INFO L225 Difference]: With dead ends: 18243 [2024-11-23 23:29:59,870 INFO L226 Difference]: Without dead ends: 9124 [2024-11-23 23:29:59,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:29:59,905 INFO L435 NwaCegarLoop]: 2292 mSDtfsCounter, 1166 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 3481 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:29:59,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 3481 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-23 23:29:59,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2024-11-23 23:30:00,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 9109. [2024-11-23 23:30:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9109 states, 6826 states have (on average 1.3372399648403164) internal successors, (9128), 6902 states have internal predecessors, (9128), 1971 states have call successors, (1971), 312 states have call predecessors, (1971), 311 states have return successors, (1966), 1960 states have call predecessors, (1966), 1962 states have call successors, (1966) [2024-11-23 23:30:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9109 states to 9109 states and 13065 transitions. [2024-11-23 23:30:00,468 INFO L78 Accepts]: Start accepts. Automaton has 9109 states and 13065 transitions. Word has length 73 [2024-11-23 23:30:00,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:00,468 INFO L471 AbstractCegarLoop]: Abstraction has 9109 states and 13065 transitions. [2024-11-23 23:30:00,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:30:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 9109 states and 13065 transitions. [2024-11-23 23:30:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 23:30:00,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:00,475 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:00,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:30:00,476 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:00,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:00,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2044700278, now seen corresponding path program 1 times [2024-11-23 23:30:00,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:00,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675166185] [2024-11-23 23:30:00,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:00,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 23:30:02,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:02,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675166185] [2024-11-23 23:30:02,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675166185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:02,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:30:02,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:30:02,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228590139] [2024-11-23 23:30:02,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:02,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:30:02,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:02,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:30:02,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:02,834 INFO L87 Difference]: Start difference. First operand 9109 states and 13065 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:30:03,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:03,526 INFO L93 Difference]: Finished difference Result 9230 states and 13205 transitions. [2024-11-23 23:30:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:30:03,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-11-23 23:30:03,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:03,578 INFO L225 Difference]: With dead ends: 9230 [2024-11-23 23:30:03,578 INFO L226 Difference]: Without dead ends: 9077 [2024-11-23 23:30:03,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:03,586 INFO L435 NwaCegarLoop]: 1210 mSDtfsCounter, 0 mSDsluCounter, 4822 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6032 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:03,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6032 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:30:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9077 states. [2024-11-23 23:30:04,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9077 to 9077. [2024-11-23 23:30:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9077 states, 6804 states have (on average 1.3365667254556144) internal successors, (9094), 6875 states have internal predecessors, (9094), 1961 states have call successors, (1961), 312 states have call predecessors, (1961), 311 states have return successors, (1958), 1954 states have call predecessors, (1958), 1954 states have call successors, (1958) [2024-11-23 23:30:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9077 states to 9077 states and 13013 transitions. [2024-11-23 23:30:04,102 INFO L78 Accepts]: Start accepts. Automaton has 9077 states and 13013 transitions. Word has length 73 [2024-11-23 23:30:04,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:04,103 INFO L471 AbstractCegarLoop]: Abstraction has 9077 states and 13013 transitions. [2024-11-23 23:30:04,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:30:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 9077 states and 13013 transitions. [2024-11-23 23:30:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-23 23:30:04,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:04,110 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:04,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:30:04,110 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:04,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:04,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1012206684, now seen corresponding path program 1 times [2024-11-23 23:30:04,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:04,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072101811] [2024-11-23 23:30:04,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:04,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:06,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:30:06,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:06,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072101811] [2024-11-23 23:30:06,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072101811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:06,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:30:06,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:30:06,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469490781] [2024-11-23 23:30:06,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:06,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:30:06,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:06,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:30:06,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:06,164 INFO L87 Difference]: Start difference. First operand 9077 states and 13013 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:30:06,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:06,784 INFO L93 Difference]: Finished difference Result 9125 states and 13056 transitions. [2024-11-23 23:30:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:30:06,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 79 [2024-11-23 23:30:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:06,834 INFO L225 Difference]: With dead ends: 9125 [2024-11-23 23:30:06,834 INFO L226 Difference]: Without dead ends: 9022 [2024-11-23 23:30:06,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:06,843 INFO L435 NwaCegarLoop]: 1208 mSDtfsCounter, 0 mSDsluCounter, 4817 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6025 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:06,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6025 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:30:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9022 states. [2024-11-23 23:30:07,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9022 to 9022. [2024-11-23 23:30:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9022 states, 6766 states have (on average 1.3360922258350576) internal successors, (9040), 6832 states have internal predecessors, (9040), 1944 states have call successors, (1944), 311 states have call predecessors, (1944), 311 states have return successors, (1944), 1942 states have call predecessors, (1944), 1940 states have call successors, (1944) [2024-11-23 23:30:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9022 states to 9022 states and 12928 transitions. [2024-11-23 23:30:07,309 INFO L78 Accepts]: Start accepts. Automaton has 9022 states and 12928 transitions. Word has length 79 [2024-11-23 23:30:07,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:07,309 INFO L471 AbstractCegarLoop]: Abstraction has 9022 states and 12928 transitions. [2024-11-23 23:30:07,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:30:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 9022 states and 12928 transitions. [2024-11-23 23:30:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-23 23:30:07,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:07,316 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:07,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:30:07,317 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:07,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:07,317 INFO L85 PathProgramCache]: Analyzing trace with hash -414157320, now seen corresponding path program 1 times [2024-11-23 23:30:07,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:07,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032367485] [2024-11-23 23:30:07,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:07,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-23 23:30:09,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:09,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032367485] [2024-11-23 23:30:09,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032367485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:09,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:30:09,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:30:09,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462534275] [2024-11-23 23:30:09,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:09,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:30:09,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:09,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:30:09,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:09,460 INFO L87 Difference]: Start difference. First operand 9022 states and 12928 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:30:10,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:10,141 INFO L93 Difference]: Finished difference Result 13444 states and 19271 transitions. [2024-11-23 23:30:10,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:30:10,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 75 [2024-11-23 23:30:10,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:10,192 INFO L225 Difference]: With dead ends: 13444 [2024-11-23 23:30:10,193 INFO L226 Difference]: Without dead ends: 9020 [2024-11-23 23:30:10,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:10,214 INFO L435 NwaCegarLoop]: 1202 mSDtfsCounter, 0 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6000 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:10,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6000 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:30:10,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9020 states. [2024-11-23 23:30:10,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9020 to 9020. [2024-11-23 23:30:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9020 states, 6764 states have (on average 1.3358959195742164) internal successors, (9036), 6830 states have internal predecessors, (9036), 1944 states have call successors, (1944), 311 states have call predecessors, (1944), 311 states have return successors, (1944), 1942 states have call predecessors, (1944), 1940 states have call successors, (1944) [2024-11-23 23:30:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9020 states to 9020 states and 12924 transitions. [2024-11-23 23:30:10,684 INFO L78 Accepts]: Start accepts. Automaton has 9020 states and 12924 transitions. Word has length 75 [2024-11-23 23:30:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:10,685 INFO L471 AbstractCegarLoop]: Abstraction has 9020 states and 12924 transitions. [2024-11-23 23:30:10,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:30:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9020 states and 12924 transitions. [2024-11-23 23:30:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 23:30:10,695 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:30:10,695 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:10,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:30:10,695 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:30:10,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:10,696 INFO L85 PathProgramCache]: Analyzing trace with hash -349727322, now seen corresponding path program 1 times [2024-11-23 23:30:10,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:30:10,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899611080] [2024-11-23 23:30:10,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:10,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 23:30:13,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:30:13,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899611080] [2024-11-23 23:30:13,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899611080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:30:13,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:30:13,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:30:13,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849564985] [2024-11-23 23:30:13,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:30:13,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:30:13,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:30:13,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:30:13,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:13,291 INFO L87 Difference]: Start difference. First operand 9020 states and 12924 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:30:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:13,743 INFO L93 Difference]: Finished difference Result 9146 states and 13070 transitions. [2024-11-23 23:30:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:30:13,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 77 [2024-11-23 23:30:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:30:13,752 INFO L225 Difference]: With dead ends: 9146 [2024-11-23 23:30:13,752 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:30:13,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:30:13,845 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5943 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:30:13,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5943 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:30:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:30:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:30:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:30:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:30:13,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2024-11-23 23:30:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:30:13,851 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:30:13,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 23:30:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:30:13,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:30:13,857 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:30:13,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:30:13,861 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:13,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:32:25,688 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:32:25,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:25 BoogieIcfgContainer [2024-11-23 23:32:25,709 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:32:25,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:32:25,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:32:25,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:32:25,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:09" (3/4) ... [2024-11-23 23:32:25,714 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sysfs_remove_file [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iounmap [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unmap_rom [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-23 23:32:25,721 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_dev_dbg [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_remove [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_regions [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sysfs_create_bin_file [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_read_modify_write_reg [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_write_serial_rom [2024-11-23 23:32:25,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2024-11-23 23:32:25,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2024-11-23 23:32:25,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pch_phub_mutex [2024-11-23 23:32:25,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:32:25,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread8 [2024-11-23 23:32:25,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_wake [2024-11-23 23:32:25,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_interruptible [2024-11-23 23:32:25,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sysfs_create_file [2024-11-23 23:32:25,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_read_serial_rom [2024-11-23 23:32:25,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_map_rom [2024-11-23 23:32:25,758 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 181 nodes and edges [2024-11-23 23:32:25,761 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2024-11-23 23:32:25,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-23 23:32:25,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:32:25,771 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:32:25,774 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:32:25,777 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:32:26,124 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:32:26,124 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:32:26,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:32:26,126 INFO L158 Benchmark]: Toolchain (without parser) took 211328.93ms. Allocated memory was 142.6MB in the beginning and 679.5MB in the end (delta: 536.9MB). Free memory was 101.1MB in the beginning and 230.7MB in the end (delta: -129.6MB). Peak memory consumption was 411.1MB. Max. memory is 16.1GB. [2024-11-23 23:32:26,126 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:32:26,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1447.64ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 87.7MB in the end (delta: 13.4MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-11-23 23:32:26,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.27ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 73.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:32:26,127 INFO L158 Benchmark]: Boogie Preprocessor took 449.91ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 86.4MB in the end (delta: -14.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-23 23:32:26,127 INFO L158 Benchmark]: RCFGBuilder took 12236.49ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 85.6MB in the beginning and 228.9MB in the end (delta: -143.3MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2024-11-23 23:32:26,128 INFO L158 Benchmark]: TraceAbstraction took 196569.16ms. Allocated memory was 360.7MB in the beginning and 679.5MB in the end (delta: 318.8MB). Free memory was 228.9MB in the beginning and 268.3MB in the end (delta: -39.4MB). Peak memory consumption was 392.5MB. Max. memory is 16.1GB. [2024-11-23 23:32:26,128 INFO L158 Benchmark]: Witness Printer took 415.64ms. Allocated memory is still 679.5MB. Free memory was 268.3MB in the beginning and 230.7MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 23:32:26,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1447.64ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 87.7MB in the end (delta: 13.4MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.27ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 73.1MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 449.91ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 86.4MB in the end (delta: -14.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * RCFGBuilder took 12236.49ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 85.6MB in the beginning and 228.9MB in the end (delta: -143.3MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. * TraceAbstraction took 196569.16ms. Allocated memory was 360.7MB in the beginning and 679.5MB in the end (delta: 318.8MB). Free memory was 228.9MB in the beginning and 268.3MB in the end (delta: -39.4MB). Peak memory consumption was 392.5MB. Max. memory is 16.1GB. * Witness Printer took 415.64ms. Allocated memory is still 679.5MB. Free memory was 268.3MB in the beginning and 230.7MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3359]: 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 31 procedures, 851 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 64.6s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 31.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 10439 SdHoareTripleChecker+Valid, 26.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10439 mSDsluCounter, 44242 SdHoareTripleChecker+Invalid, 26.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26324 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 17918 mSDtfsCounter, 180 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9122occurred in iteration=7, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 79 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 109/109 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: 2944]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2193]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2755]: Loop Invariant Derived loop invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2247]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2803]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2803]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2803]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:32:26,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e34ed9e3-8585-409b-8ffe-0973eb8dc5c4/bin/uautomizer-verify-LYvppIcaGC/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