./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/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_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:50:48,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:50:49,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 23:50:49,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:50:49,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:50:49,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:50:49,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:50:49,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:50:49,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:50:49,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:50:49,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:50:49,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:50:49,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:50:49,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:50:49,108 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:50:49,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:50:49,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:50:49,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:50:49,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:50:49,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:50:49,111 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:50:49,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:49,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:50:49,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:49,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:49,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:50:49,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:50:49,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:50:49,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:50:49,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:49,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:50:49,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:50:49,112 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:50:49,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:50:49,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:50:49,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:50:49,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:50:49,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:50:49,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:50:49,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:50:49,113 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_78f07d35-a973-48df-8cbe-5e677a9f22ed/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 ! overflow) ) 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 -> 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 [2024-11-23 23:50:49,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:50:49,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:50:49,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:50:49,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:50:49,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:50:49,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-23 23:50:52,394 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/data/65ab4ccd5/e5eacfc52fa54c1ca0f24ede7071564b/FLAG170873977 [2024-11-23 23:50:52,849 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:50:52,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-23 23:50:52,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/data/65ab4ccd5/e5eacfc52fa54c1ca0f24ede7071564b/FLAG170873977 [2024-11-23 23:50:52,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/data/65ab4ccd5/e5eacfc52fa54c1ca0f24ede7071564b [2024-11-23 23:50:52,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:50:52,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:50:52,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:52,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:50:52,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:50:52,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:52" (1/1) ... [2024-11-23 23:50:52,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1907f40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:52, skipping insertion in model container [2024-11-23 23:50:52,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:52" (1/1) ... [2024-11-23 23:50:53,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:50:53,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:53,605 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:50:53,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:50:53,876 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:50:53,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53 WrapperNode [2024-11-23 23:50:53,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:50:53,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:53,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:50:53,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:50:53,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:53,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:53,965 INFO L138 Inliner]: procedures = 84, calls = 179, calls flagged for inlining = 34, calls inlined = 27, statements flattened = 565 [2024-11-23 23:50:53,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:50:53,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:50:53,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:50:53,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:50:53,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:53,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:53,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,073 INFO L175 MemorySlicer]: Split 55 memory accesses to 4 slices as follows [2, 4, 27, 22]. 49 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4, 0, 0]. The 35 writes are split as follows [0, 0, 13, 22]. [2024-11-23 23:50:54,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,128 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:50:54,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:50:54,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:50:54,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:50:54,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (1/1) ... [2024-11-23 23:50:54,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:50:54,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:54,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:50:54,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:50:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-11-23 23:50:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-11-23 23:50:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2024-11-23 23:50:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2024-11-23 23:50:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:50:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 23:50:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:50:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:50:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:50:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:50:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:50:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:50:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:50:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:50:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:50:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:50:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:50:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 23:50:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 23:50:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:50:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:50:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:50:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:50:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-23 23:50:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-23 23:50:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 23:50:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 23:50:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:50:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:50:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-11-23 23:50:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-11-23 23:50:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:50:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-23 23:50:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-23 23:50:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-23 23:50:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-23 23:50:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 23:50:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 23:50:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:50:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:50:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:50:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:50:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-11-23 23:50:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-11-23 23:50:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:50:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:50:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:50:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:50:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:50:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:50:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2024-11-23 23:50:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2024-11-23 23:50:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:50:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-23 23:50:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-23 23:50:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:50:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:50:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2024-11-23 23:50:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2024-11-23 23:50:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 23:50:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 23:50:54,486 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:50:54,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:50:54,928 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:50:57,353 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-11-23 23:50:57,354 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:50:57,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:50:57,384 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:50:57,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:57 BoogieIcfgContainer [2024-11-23 23:50:57,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:50:57,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:50:57,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:50:57,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:50:57,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:50:52" (1/3) ... [2024-11-23 23:50:57,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef23c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:57, skipping insertion in model container [2024-11-23 23:50:57,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:53" (2/3) ... [2024-11-23 23:50:57,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef23c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:57, skipping insertion in model container [2024-11-23 23:50:57,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:57" (3/3) ... [2024-11-23 23:50:57,397 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-11-23 23:50:57,412 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:50:57,414 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i that has 19 procedures, 256 locations, 1 initial locations, 2 loop locations, and 16 error locations. [2024-11-23 23:50:57,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:50:57,508 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;@242c337, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:50:57,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-23 23:50:57,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 255 states, 173 states have (on average 1.3526011560693643) internal successors, (234), 196 states have internal predecessors, (234), 48 states have call successors, (48), 18 states have call predecessors, (48), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:50:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-23 23:50:57,553 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:57,554 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] [2024-11-23 23:50:57,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:50:57,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:57,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1395805340, now seen corresponding path program 1 times [2024-11-23 23:50:57,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:57,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269109008] [2024-11-23 23:50:57,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:57,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:58,105 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 23:50:58,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:58,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269109008] [2024-11-23 23:50:58,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269109008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:58,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:58,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:58,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831323737] [2024-11-23 23:50:58,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:58,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:58,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:58,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:58,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:58,140 INFO L87 Difference]: Start difference. First operand has 255 states, 173 states have (on average 1.3526011560693643) internal successors, (234), 196 states have internal predecessors, (234), 48 states have call successors, (48), 18 states have call predecessors, (48), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:50:58,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:58,290 INFO L93 Difference]: Finished difference Result 532 states and 700 transitions. [2024-11-23 23:50:58,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:58,295 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2024-11-23 23:50:58,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:58,304 INFO L225 Difference]: With dead ends: 532 [2024-11-23 23:50:58,304 INFO L226 Difference]: Without dead ends: 256 [2024-11-23 23:50:58,309 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 23:50:58,312 INFO L435 NwaCegarLoop]: 320 mSDtfsCounter, 35 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:58,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 626 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:58,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-23 23:50:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-11-23 23:50:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.329608938547486) internal successors, (238), 197 states have internal predecessors, (238), 44 states have call successors, (44), 17 states have call predecessors, (44), 17 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-23 23:50:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 326 transitions. [2024-11-23 23:50:58,369 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 326 transitions. Word has length 21 [2024-11-23 23:50:58,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:58,369 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 326 transitions. [2024-11-23 23:50:58,369 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 23:50:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 326 transitions. [2024-11-23 23:50:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-23 23:50:58,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:58,372 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:58,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:50:58,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:50:58,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:58,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1840605303, now seen corresponding path program 1 times [2024-11-23 23:50:58,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:58,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11038509] [2024-11-23 23:50:58,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:58,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 23:50:58,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:58,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11038509] [2024-11-23 23:50:58,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11038509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:58,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:58,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:50:58,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301778852] [2024-11-23 23:50:58,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:58,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:58,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:58,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:58,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:58,794 INFO L87 Difference]: Start difference. First operand 256 states and 326 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:50:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:58,923 INFO L93 Difference]: Finished difference Result 509 states and 649 transitions. [2024-11-23 23:50:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:58,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-23 23:50:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:58,932 INFO L225 Difference]: With dead ends: 509 [2024-11-23 23:50:58,932 INFO L226 Difference]: Without dead ends: 503 [2024-11-23 23:50:58,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:58,933 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 268 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:58,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 638 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:58,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-23 23:50:59,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 493. [2024-11-23 23:50:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 355 states have (on average 1.315492957746479) internal successors, (467), 376 states have internal predecessors, (467), 88 states have call successors, (88), 34 states have call predecessors, (88), 34 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-23 23:50:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 643 transitions. [2024-11-23 23:50:59,018 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 643 transitions. Word has length 45 [2024-11-23 23:50:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:59,019 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 643 transitions. [2024-11-23 23:50:59,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 23:50:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 643 transitions. [2024-11-23 23:50:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-23 23:50:59,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:59,027 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-23 23:50:59,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:50:59,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:50:59,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:59,028 INFO L85 PathProgramCache]: Analyzing trace with hash 339756034, now seen corresponding path program 1 times [2024-11-23 23:50:59,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:59,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096435863] [2024-11-23 23:50:59,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:59,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 23:50:59,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:59,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096435863] [2024-11-23 23:50:59,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096435863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:50:59,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255179198] [2024-11-23 23:50:59,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:50:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:50:59,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:50:59,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:50:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:59,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:50:59,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-23 23:51:00,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:00,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255179198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:00,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:51:00,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-23 23:51:00,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779977116] [2024-11-23 23:51:00,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:00,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:00,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:00,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:00,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:00,042 INFO L87 Difference]: Start difference. First operand 493 states and 643 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:51:00,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:00,138 INFO L93 Difference]: Finished difference Result 1168 states and 1518 transitions. [2024-11-23 23:51:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:00,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2024-11-23 23:51:00,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:00,149 INFO L225 Difference]: With dead ends: 1168 [2024-11-23 23:51:00,149 INFO L226 Difference]: Without dead ends: 678 [2024-11-23 23:51:00,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:00,152 INFO L435 NwaCegarLoop]: 323 mSDtfsCounter, 222 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:00,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 615 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:00,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-11-23 23:51:00,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 666. [2024-11-23 23:51:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 487 states have (on average 1.3100616016427105) internal successors, (638), 511 states have internal predecessors, (638), 116 states have call successors, (116), 47 states have call predecessors, (116), 47 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-23 23:51:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 870 transitions. [2024-11-23 23:51:00,226 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 870 transitions. Word has length 66 [2024-11-23 23:51:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:00,226 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 870 transitions. [2024-11-23 23:51:00,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:51:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 870 transitions. [2024-11-23 23:51:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 23:51:00,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:00,231 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-23 23:51:00,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:00,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:00,433 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:00,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1036098836, now seen corresponding path program 1 times [2024-11-23 23:51:00,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:00,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263741323] [2024-11-23 23:51:00,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:00,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-23 23:51:00,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:00,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263741323] [2024-11-23 23:51:00,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263741323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:00,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:00,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:51:00,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723922025] [2024-11-23 23:51:00,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:00,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:00,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:00,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:00,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:00,638 INFO L87 Difference]: Start difference. First operand 666 states and 870 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:51:02,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:02,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:02,737 INFO L93 Difference]: Finished difference Result 1208 states and 1565 transitions. [2024-11-23 23:51:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:02,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-23 23:51:02,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:02,743 INFO L225 Difference]: With dead ends: 1208 [2024-11-23 23:51:02,743 INFO L226 Difference]: Without dead ends: 751 [2024-11-23 23:51:02,745 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 23:51:02,746 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 99 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:02,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 632 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-23 23:51:02,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-23 23:51:02,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 749. [2024-11-23 23:51:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 547 states have (on average 1.3016453382084094) internal successors, (712), 571 states have internal predecessors, (712), 128 states have call successors, (128), 58 states have call predecessors, (128), 58 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:51:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 968 transitions. [2024-11-23 23:51:02,793 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 968 transitions. Word has length 64 [2024-11-23 23:51:02,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:02,793 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 968 transitions. [2024-11-23 23:51:02,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 23:51:02,793 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 968 transitions. [2024-11-23 23:51:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-23 23:51:02,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:02,795 INFO L218 NwaCegarLoop]: trace histogram [3, 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, 1, 1] [2024-11-23 23:51:02,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:51:02,796 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting s3c_hwmon_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:02,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:02,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1498552765, now seen corresponding path program 1 times [2024-11-23 23:51:02,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:02,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93137554] [2024-11-23 23:51:02,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:02,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:03,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:03,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93137554] [2024-11-23 23:51:03,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93137554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:03,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:03,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:03,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801879872] [2024-11-23 23:51:03,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:03,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:03,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:03,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:03,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:03,049 INFO L87 Difference]: Start difference. First operand 749 states and 968 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:51:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:03,202 INFO L93 Difference]: Finished difference Result 1597 states and 2101 transitions. [2024-11-23 23:51:03,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:03,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 84 [2024-11-23 23:51:03,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:03,211 INFO L225 Difference]: With dead ends: 1597 [2024-11-23 23:51:03,212 INFO L226 Difference]: Without dead ends: 851 [2024-11-23 23:51:03,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:03,214 INFO L435 NwaCegarLoop]: 297 mSDtfsCounter, 31 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:03,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 579 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:51:03,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-23 23:51:03,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 851. [2024-11-23 23:51:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 628 states have (on average 1.305732484076433) internal successors, (820), 652 states have internal predecessors, (820), 149 states have call successors, (149), 58 states have call predecessors, (149), 58 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-23 23:51:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1118 transitions. [2024-11-23 23:51:03,264 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1118 transitions. Word has length 84 [2024-11-23 23:51:03,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:03,265 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1118 transitions. [2024-11-23 23:51:03,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:51:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1118 transitions. [2024-11-23 23:51:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-23 23:51:03,267 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:03,267 INFO L218 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:03,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:51:03,267 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:03,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:03,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1585295532, now seen corresponding path program 1 times [2024-11-23 23:51:03,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:03,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538862114] [2024-11-23 23:51:03,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 23:51:03,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:03,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538862114] [2024-11-23 23:51:03,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538862114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:03,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:03,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:03,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656256531] [2024-11-23 23:51:03,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:03,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:03,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:03,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:03,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:03,493 INFO L87 Difference]: Start difference. First operand 851 states and 1118 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 23:51:03,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:03,556 INFO L93 Difference]: Finished difference Result 1467 states and 1928 transitions. [2024-11-23 23:51:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:03,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 86 [2024-11-23 23:51:03,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:03,562 INFO L225 Difference]: With dead ends: 1467 [2024-11-23 23:51:03,562 INFO L226 Difference]: Without dead ends: 859 [2024-11-23 23:51:03,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:03,565 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:03,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 593 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:03,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-23 23:51:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2024-11-23 23:51:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 634 states have (on average 1.3028391167192428) internal successors, (826), 658 states have internal predecessors, (826), 151 states have call successors, (151), 58 states have call predecessors, (151), 58 states have return successors, (151), 151 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-23 23:51:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1128 transitions. [2024-11-23 23:51:03,612 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1128 transitions. Word has length 86 [2024-11-23 23:51:03,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:03,613 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1128 transitions. [2024-11-23 23:51:03,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 23:51:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1128 transitions. [2024-11-23 23:51:03,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-23 23:51:03,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:03,615 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 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, 1] [2024-11-23 23:51:03,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:51:03,615 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting s3c_hwmon_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:03,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:03,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1975038011, now seen corresponding path program 1 times [2024-11-23 23:51:03,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:03,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980381234] [2024-11-23 23:51:03,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:03,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:03,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:03,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980381234] [2024-11-23 23:51:03,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980381234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:03,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398103832] [2024-11-23 23:51:03,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:03,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:03,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:03,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:03,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:51:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:04,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:04,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:04,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:04,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398103832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:04,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:51:04,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-23 23:51:04,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548820349] [2024-11-23 23:51:04,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:04,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:04,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:04,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:04,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:04,364 INFO L87 Difference]: Start difference. First operand 859 states and 1128 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:51:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:04,508 INFO L93 Difference]: Finished difference Result 1715 states and 2262 transitions. [2024-11-23 23:51:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:04,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 89 [2024-11-23 23:51:04,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:04,514 INFO L225 Difference]: With dead ends: 1715 [2024-11-23 23:51:04,515 INFO L226 Difference]: Without dead ends: 859 [2024-11-23 23:51:04,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:04,518 INFO L435 NwaCegarLoop]: 327 mSDtfsCounter, 62 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:04,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 860 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:51:04,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-23 23:51:04,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2024-11-23 23:51:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 637 states have (on average 1.2872841444270016) internal successors, (820), 658 states have internal predecessors, (820), 151 states have call successors, (151), 58 states have call predecessors, (151), 58 states have return successors, (151), 151 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-23 23:51:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1122 transitions. [2024-11-23 23:51:04,570 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1122 transitions. Word has length 89 [2024-11-23 23:51:04,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:04,571 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1122 transitions. [2024-11-23 23:51:04,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:51:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1122 transitions. [2024-11-23 23:51:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-23 23:51:04,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:04,578 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 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 23:51:04,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:51:04,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:04,779 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting s3c_hwmon_probeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:04,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:04,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1096636396, now seen corresponding path program 1 times [2024-11-23 23:51:04,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:04,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920764936] [2024-11-23 23:51:04,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:04,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:05,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:05,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920764936] [2024-11-23 23:51:05,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920764936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:05,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409238604] [2024-11-23 23:51:05,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:05,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:05,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:05,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:05,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:51:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:05,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:05,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:05,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:51:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:05,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409238604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:51:05,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:51:05,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-23 23:51:05,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576075768] [2024-11-23 23:51:05,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:51:05,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:51:05,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:05,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:51:05,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:05,578 INFO L87 Difference]: Start difference. First operand 859 states and 1122 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:51:05,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:05,791 INFO L93 Difference]: Finished difference Result 979 states and 1311 transitions. [2024-11-23 23:51:05,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:51:05,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-11-23 23:51:05,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:05,799 INFO L225 Difference]: With dead ends: 979 [2024-11-23 23:51:05,799 INFO L226 Difference]: Without dead ends: 976 [2024-11-23 23:51:05,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:05,801 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 277 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:05,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 588 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:51:05,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2024-11-23 23:51:05,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 844. [2024-11-23 23:51:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 628 states have (on average 1.2770700636942676) internal successors, (802), 646 states have internal predecessors, (802), 148 states have call successors, (148), 58 states have call predecessors, (148), 58 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-23 23:51:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1098 transitions. [2024-11-23 23:51:05,848 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1098 transitions. Word has length 90 [2024-11-23 23:51:05,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:05,848 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1098 transitions. [2024-11-23 23:51:05,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-23 23:51:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1098 transitions. [2024-11-23 23:51:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-23 23:51:05,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:05,852 INFO L218 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:05,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:06,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:06,056 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:06,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:06,057 INFO L85 PathProgramCache]: Analyzing trace with hash 294154553, now seen corresponding path program 2 times [2024-11-23 23:51:06,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:06,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450428573] [2024-11-23 23:51:06,057 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:51:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:06,127 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:51:06,127 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:51:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:51:06,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:06,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450428573] [2024-11-23 23:51:06,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450428573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:06,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:06,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:51:06,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410283188] [2024-11-23 23:51:06,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:06,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:51:06,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:06,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:51:06,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:06,201 INFO L87 Difference]: Start difference. First operand 844 states and 1098 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 23:51:08,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:09,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:09,006 INFO L93 Difference]: Finished difference Result 2303 states and 2989 transitions. [2024-11-23 23:51:09,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:51:09,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2024-11-23 23:51:09,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:09,019 INFO L225 Difference]: With dead ends: 2303 [2024-11-23 23:51:09,020 INFO L226 Difference]: Without dead ends: 1697 [2024-11-23 23:51:09,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:09,024 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 288 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1978 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:09,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1978 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-23 23:51:09,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-11-23 23:51:09,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 856. [2024-11-23 23:51:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 637 states have (on average 1.2731554160125589) internal successors, (811), 655 states have internal predecessors, (811), 148 states have call successors, (148), 58 states have call predecessors, (148), 61 states have return successors, (151), 151 states have call predecessors, (151), 148 states have call successors, (151) [2024-11-23 23:51:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1110 transitions. [2024-11-23 23:51:09,101 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1110 transitions. Word has length 88 [2024-11-23 23:51:09,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:09,101 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1110 transitions. [2024-11-23 23:51:09,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 23:51:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1110 transitions. [2024-11-23 23:51:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:51:09,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:09,105 INFO L218 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:09,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:51:09,106 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:09,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash 645846163, now seen corresponding path program 1 times [2024-11-23 23:51:09,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:09,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951870098] [2024-11-23 23:51:09,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:09,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:09,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:09,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951870098] [2024-11-23 23:51:09,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951870098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:09,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:09,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:09,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204549582] [2024-11-23 23:51:09,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:09,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:09,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:09,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:09,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:09,512 INFO L87 Difference]: Start difference. First operand 856 states and 1110 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:51:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:09,618 INFO L93 Difference]: Finished difference Result 1703 states and 2226 transitions. [2024-11-23 23:51:09,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:09,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2024-11-23 23:51:09,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:09,629 INFO L225 Difference]: With dead ends: 1703 [2024-11-23 23:51:09,629 INFO L226 Difference]: Without dead ends: 1701 [2024-11-23 23:51:09,630 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 23:51:09,631 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 232 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:09,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 628 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:09,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2024-11-23 23:51:09,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1693. [2024-11-23 23:51:09,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1265 states have (on average 1.2703557312252964) internal successors, (1607), 1292 states have internal predecessors, (1607), 296 states have call successors, (296), 116 states have call predecessors, (296), 122 states have return successors, (317), 302 states have call predecessors, (317), 296 states have call successors, (317) [2024-11-23 23:51:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2220 transitions. [2024-11-23 23:51:09,749 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2220 transitions. Word has length 96 [2024-11-23 23:51:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:09,750 INFO L471 AbstractCegarLoop]: Abstraction has 1693 states and 2220 transitions. [2024-11-23 23:51:09,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:51:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2220 transitions. [2024-11-23 23:51:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:51:09,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:09,752 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:09,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:51:09,753 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:09,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1018333311, now seen corresponding path program 1 times [2024-11-23 23:51:09,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:09,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096183352] [2024-11-23 23:51:09,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-23 23:51:09,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:09,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096183352] [2024-11-23 23:51:09,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096183352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:09,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509497414] [2024-11-23 23:51:09,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:09,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:09,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:09,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:51:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:10,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:51:10,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-23 23:51:10,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:10,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509497414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:10,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:51:10,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2024-11-23 23:51:10,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895354022] [2024-11-23 23:51:10,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:10,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:51:10,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:10,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:51:10,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:10,458 INFO L87 Difference]: Start difference. First operand 1693 states and 2220 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 23:51:11,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:12,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:12,151 INFO L93 Difference]: Finished difference Result 4617 states and 6041 transitions. [2024-11-23 23:51:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:51:12,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2024-11-23 23:51:12,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:12,171 INFO L225 Difference]: With dead ends: 4617 [2024-11-23 23:51:12,171 INFO L226 Difference]: Without dead ends: 3403 [2024-11-23 23:51:12,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:51:12,177 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 288 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1978 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:12,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1978 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:51:12,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2024-11-23 23:51:12,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 1693. [2024-11-23 23:51:12,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1265 states have (on average 1.2703557312252964) internal successors, (1607), 1292 states have internal predecessors, (1607), 296 states have call successors, (296), 116 states have call predecessors, (296), 122 states have return successors, (317), 302 states have call predecessors, (317), 296 states have call successors, (317) [2024-11-23 23:51:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2220 transitions. [2024-11-23 23:51:12,351 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2220 transitions. Word has length 105 [2024-11-23 23:51:12,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:12,351 INFO L471 AbstractCegarLoop]: Abstraction has 1693 states and 2220 transitions. [2024-11-23 23:51:12,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 23:51:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2220 transitions. [2024-11-23 23:51:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:51:12,354 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:12,354 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:12,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:51:12,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:12,555 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_device_create_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:12,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:12,556 INFO L85 PathProgramCache]: Analyzing trace with hash 16949659, now seen corresponding path program 1 times [2024-11-23 23:51:12,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:12,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882792431] [2024-11-23 23:51:12,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:12,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-23 23:51:13,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:13,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882792431] [2024-11-23 23:51:13,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882792431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:13,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688276389] [2024-11-23 23:51:13,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:13,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:13,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:13,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:13,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:51:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:13,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:51:13,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-23 23:51:14,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:14,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688276389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:14,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:51:14,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 11 [2024-11-23 23:51:14,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516526572] [2024-11-23 23:51:14,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:14,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:51:14,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:14,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:51:14,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:51:14,273 INFO L87 Difference]: Start difference. First operand 1693 states and 2220 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-23 23:51:16,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:20,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:23,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:24,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:24,276 INFO L93 Difference]: Finished difference Result 1713 states and 2229 transitions. [2024-11-23 23:51:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:24,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2024-11-23 23:51:24,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:24,283 INFO L225 Difference]: With dead ends: 1713 [2024-11-23 23:51:24,283 INFO L226 Difference]: Without dead ends: 842 [2024-11-23 23:51:24,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:51:24,286 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 328 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 155 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:24,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 490 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2024-11-23 23:51:24,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-23 23:51:24,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2024-11-23 23:51:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 625 states have (on average 1.264) internal successors, (790), 641 states have internal predecessors, (790), 148 states have call successors, (148), 58 states have call predecessors, (148), 61 states have return successors, (151), 151 states have call predecessors, (151), 148 states have call successors, (151) [2024-11-23 23:51:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1089 transitions. [2024-11-23 23:51:24,361 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1089 transitions. Word has length 115 [2024-11-23 23:51:24,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:24,362 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1089 transitions. [2024-11-23 23:51:24,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-23 23:51:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1089 transitions. [2024-11-23 23:51:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:51:24,364 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:24,364 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 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 23:51:24,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:51:24,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 23:51:24,569 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:24,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:24,570 INFO L85 PathProgramCache]: Analyzing trace with hash 765441500, now seen corresponding path program 1 times [2024-11-23 23:51:24,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:24,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823866065] [2024-11-23 23:51:24,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 23:51:24,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823866065] [2024-11-23 23:51:24,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823866065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:24,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:24,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:24,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682646227] [2024-11-23 23:51:24,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:24,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:24,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:24,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:24,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:24,779 INFO L87 Difference]: Start difference. First operand 842 states and 1089 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 23:51:24,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:24,871 INFO L93 Difference]: Finished difference Result 1681 states and 2178 transitions. [2024-11-23 23:51:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:24,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-23 23:51:24,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:24,879 INFO L225 Difference]: With dead ends: 1681 [2024-11-23 23:51:24,879 INFO L226 Difference]: Without dead ends: 842 [2024-11-23 23:51:24,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:24,885 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 0 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:24,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 851 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:24,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-23 23:51:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2024-11-23 23:51:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 625 states have (on average 1.2592) internal successors, (787), 638 states have internal predecessors, (787), 148 states have call successors, (148), 58 states have call predecessors, (148), 61 states have return successors, (151), 151 states have call predecessors, (151), 148 states have call successors, (151) [2024-11-23 23:51:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1086 transitions. [2024-11-23 23:51:24,997 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1086 transitions. Word has length 130 [2024-11-23 23:51:24,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:24,997 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1086 transitions. [2024-11-23 23:51:24,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-23 23:51:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1086 transitions. [2024-11-23 23:51:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-23 23:51:25,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:25,001 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:25,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:51:25,002 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:25,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:25,002 INFO L85 PathProgramCache]: Analyzing trace with hash 927396327, now seen corresponding path program 1 times [2024-11-23 23:51:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433231004] [2024-11-23 23:51:25,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 23:51:25,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433231004] [2024-11-23 23:51:25,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433231004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715032145] [2024-11-23 23:51:25,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:25,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:25,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:25,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:25,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:51:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:25,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:25,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 23:51:25,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:25,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715032145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:25,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:51:25,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-23 23:51:25,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902366070] [2024-11-23 23:51:25,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:25,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:25,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:25,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:25,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:25,814 INFO L87 Difference]: Start difference. First operand 842 states and 1086 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:51:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:25,898 INFO L93 Difference]: Finished difference Result 842 states and 1086 transitions. [2024-11-23 23:51:25,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:25,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-23 23:51:25,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:25,906 INFO L225 Difference]: With dead ends: 842 [2024-11-23 23:51:25,906 INFO L226 Difference]: Without dead ends: 841 [2024-11-23 23:51:25,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:25,907 INFO L435 NwaCegarLoop]: 284 mSDtfsCounter, 1 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:25,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 844 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:25,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-23 23:51:25,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2024-11-23 23:51:25,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 625 states have (on average 1.256) internal successors, (785), 637 states have internal predecessors, (785), 148 states have call successors, (148), 58 states have call predecessors, (148), 61 states have return successors, (151), 151 states have call predecessors, (151), 148 states have call successors, (151) [2024-11-23 23:51:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1084 transitions. [2024-11-23 23:51:25,987 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1084 transitions. Word has length 134 [2024-11-23 23:51:25,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:25,988 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1084 transitions. [2024-11-23 23:51:25,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-23 23:51:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1084 transitions. [2024-11-23 23:51:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-23 23:51:25,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:25,992 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:26,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:26,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-23 23:51:26,195 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting s3c_hwmon_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:26,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:26,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1315484659, now seen corresponding path program 1 times [2024-11-23 23:51:26,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:26,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270353402] [2024-11-23 23:51:26,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 23:51:26,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:26,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270353402] [2024-11-23 23:51:26,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270353402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:26,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111544854] [2024-11-23 23:51:26,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:26,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:26,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:26,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:26,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:51:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:27,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:27,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 23:51:27,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:51:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 23:51:27,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111544854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:51:27,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:51:27,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-23 23:51:27,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258859930] [2024-11-23 23:51:27,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:51:27,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:51:27,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:27,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:51:27,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:27,222 INFO L87 Difference]: Start difference. First operand 841 states and 1084 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-23 23:51:27,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:27,312 INFO L93 Difference]: Finished difference Result 851 states and 1102 transitions. [2024-11-23 23:51:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:27,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 135 [2024-11-23 23:51:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:27,318 INFO L225 Difference]: With dead ends: 851 [2024-11-23 23:51:27,318 INFO L226 Difference]: Without dead ends: 850 [2024-11-23 23:51:27,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:27,321 INFO L435 NwaCegarLoop]: 282 mSDtfsCounter, 0 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:27,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 561 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:27,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-23 23:51:27,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 834. [2024-11-23 23:51:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 621 states have (on average 1.2544283413848631) internal successors, (779), 632 states have internal predecessors, (779), 146 states have call successors, (146), 58 states have call predecessors, (146), 61 states have return successors, (149), 149 states have call predecessors, (149), 146 states have call successors, (149) [2024-11-23 23:51:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1074 transitions. [2024-11-23 23:51:27,394 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1074 transitions. Word has length 135 [2024-11-23 23:51:27,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:27,395 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1074 transitions. [2024-11-23 23:51:27,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-23 23:51:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1074 transitions. [2024-11-23 23:51:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:51:27,400 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:27,400 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:27,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:27,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-23 23:51:27,601 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:27,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:27,601 INFO L85 PathProgramCache]: Analyzing trace with hash -518761339, now seen corresponding path program 1 times [2024-11-23 23:51:27,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:27,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295164919] [2024-11-23 23:51:27,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:27,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:51:27,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:27,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295164919] [2024-11-23 23:51:27,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295164919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:27,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73268527] [2024-11-23 23:51:27,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:27,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:27,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:27,842 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:27,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 23:51:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:28,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:28,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 23:51:28,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:28,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73268527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:28,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:51:28,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-23 23:51:28,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190280974] [2024-11-23 23:51:28,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:28,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:28,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:28,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:28,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:28,634 INFO L87 Difference]: Start difference. First operand 834 states and 1074 transitions. Second operand has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:51:30,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:30,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:30,555 INFO L93 Difference]: Finished difference Result 836 states and 1078 transitions. [2024-11-23 23:51:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:30,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2024-11-23 23:51:30,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:30,561 INFO L225 Difference]: With dead ends: 836 [2024-11-23 23:51:30,561 INFO L226 Difference]: Without dead ends: 833 [2024-11-23 23:51:30,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:51:30,562 INFO L435 NwaCegarLoop]: 491 mSDtfsCounter, 396 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:30,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 652 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 23:51:30,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-23 23:51:30,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 831. [2024-11-23 23:51:30,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 621 states have (on average 1.249597423510467) internal successors, (776), 629 states have internal predecessors, (776), 146 states have call successors, (146), 58 states have call predecessors, (146), 61 states have return successors, (149), 149 states have call predecessors, (149), 146 states have call successors, (149) [2024-11-23 23:51:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1071 transitions. [2024-11-23 23:51:30,633 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1071 transitions. Word has length 136 [2024-11-23 23:51:30,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:30,633 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1071 transitions. [2024-11-23 23:51:30,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:51:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1071 transitions. [2024-11-23 23:51:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 23:51:30,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:30,636 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:30,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-23 23:51:30,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-23 23:51:30,837 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:30,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:30,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1098268033, now seen corresponding path program 1 times [2024-11-23 23:51:30,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:30,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398520463] [2024-11-23 23:51:30,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:30,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:51:31,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:31,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398520463] [2024-11-23 23:51:31,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398520463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:51:31,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083202246] [2024-11-23 23:51:31,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:31,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:51:31,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:31,125 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:51:31,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 23:51:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:31,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:51:31,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 23:51:31,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:51:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-23 23:51:32,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083202246] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:51:32,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:51:32,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-23 23:51:32,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718293264] [2024-11-23 23:51:32,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:51:32,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:51:32,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:32,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:51:32,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:32,170 INFO L87 Difference]: Start difference. First operand 831 states and 1071 transitions. Second operand has 7 states, 6 states have (on average 35.333333333333336) internal successors, (212), 7 states have internal predecessors, (212), 6 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-23 23:51:32,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:32,956 INFO L93 Difference]: Finished difference Result 1422 states and 1833 transitions. [2024-11-23 23:51:32,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:51:32,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 35.333333333333336) internal successors, (212), 7 states have internal predecessors, (212), 6 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) Word has length 137 [2024-11-23 23:51:32,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:32,966 INFO L225 Difference]: With dead ends: 1422 [2024-11-23 23:51:32,966 INFO L226 Difference]: Without dead ends: 1419 [2024-11-23 23:51:32,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:51:32,968 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 1014 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:32,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 892 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:51:32,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2024-11-23 23:51:33,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1182. [2024-11-23 23:51:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 883 states have (on average 1.2434881087202718) internal successors, (1098), 891 states have internal predecessors, (1098), 208 states have call successors, (208), 86 states have call predecessors, (208), 90 states have return successors, (212), 212 states have call predecessors, (212), 208 states have call successors, (212) [2024-11-23 23:51:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1518 transitions. [2024-11-23 23:51:33,114 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1518 transitions. Word has length 137 [2024-11-23 23:51:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:33,115 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1518 transitions. [2024-11-23 23:51:33,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 35.333333333333336) internal successors, (212), 7 states have internal predecessors, (212), 6 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-23 23:51:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1518 transitions. [2024-11-23 23:51:33,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-23 23:51:33,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:33,121 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-23 23:51:33,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 23:51:33,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-23 23:51:33,322 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-23 23:51:33,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:33,323 INFO L85 PathProgramCache]: Analyzing trace with hash -984186485, now seen corresponding path program 1 times [2024-11-23 23:51:33,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:33,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729318216] [2024-11-23 23:51:33,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:33,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-23 23:51:33,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:33,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729318216] [2024-11-23 23:51:33,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729318216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:33,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:33,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:51:33,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502149484] [2024-11-23 23:51:33,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:33,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:33,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:33,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:33,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:33,591 INFO L87 Difference]: Start difference. First operand 1182 states and 1518 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 23:51:35,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:51:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:35,832 INFO L93 Difference]: Finished difference Result 1513 states and 1940 transitions. [2024-11-23 23:51:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:35,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 231 [2024-11-23 23:51:35,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:35,835 INFO L225 Difference]: With dead ends: 1513 [2024-11-23 23:51:35,835 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:51:35,838 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 23:51:35,839 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 242 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:35,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 305 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 23:51:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:51:35,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:51:35,840 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 23:51:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:51:35,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2024-11-23 23:51:35,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:35,841 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:51:35,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 23:51:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:51:35,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:51:35,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-23 23:51:35,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-23 23:51:35,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-23 23:51:35,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-23 23:51:35,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-23 23:51:35,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-23 23:51:35,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_device_create_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-23 23:51:35,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_device_create_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-23 23:51:35,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:51:35,850 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:35,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:51:44,467 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:51:44,480 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-23 23:51:44,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-23 23:51:44,481 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-23 23:51:44,482 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-23 23:51:44,482 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-23 23:51:44,482 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-11-23 23:51:44,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:51:44 BoogieIcfgContainer [2024-11-23 23:51:44,482 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:51:44,483 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:51:44,483 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:51:44,483 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:51:44,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:57" (3/4) ... [2024-11-23 23:51:44,486 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_raw [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_probe [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-11-23 23:51:44,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hwmon_device_unregister [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_remove_file [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_adc_release [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_attr [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_device_create_file [2024-11-23 23:51:44,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-23 23:51:44,511 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2024-11-23 23:51:44,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-23 23:51:44,513 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-23 23:51:44,514 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:51:44,515 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:51:44,544 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) && (ldv_count_2 == 0)) [2024-11-23 23:51:44,546 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((ldv_count_1 <= 0) && (0 <= i)) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (i <= 2147483645)) && (ldv_state_variable_0 == 2)) && (ldv_count_2 == 0)) [2024-11-23 23:51:44,549 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && ((ldv_count_2 == 0) || (ldv_count_2 == 0))) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) [2024-11-23 23:51:44,553 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && ((ldv_count_2 == 0) || (ldv_count_2 == 0))) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) [2024-11-23 23:51:44,630 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && ((ldv_count_2 == 0) || (ldv_count_2 == 0))) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) [2024-11-23 23:51:44,632 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((ldv_count_1 <= 0) && (0 <= i)) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (i <= 2147483645)) && (ldv_state_variable_0 == 2)) && (ldv_count_2 == 0)) [2024-11-23 23:51:44,632 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && ((ldv_count_2 == 0) || (ldv_count_2 == 0))) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) [2024-11-23 23:51:44,633 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) && (ldv_count_2 == 0)) [2024-11-23 23:51:44,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:51:44,686 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:51:44,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:51:44,687 INFO L158 Benchmark]: Toolchain (without parser) took 51710.33ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 92.7MB in the beginning and 265.5MB in the end (delta: -172.8MB). Peak memory consumption was 229.5MB. Max. memory is 16.1GB. [2024-11-23 23:51:44,687 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:51:44,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.22ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 62.2MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 23:51:44,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.29ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 58.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:51:44,688 INFO L158 Benchmark]: Boogie Preprocessor took 201.59ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 49.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:51:44,688 INFO L158 Benchmark]: RCFGBuilder took 3216.54ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 46.2MB in the end (delta: 3.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-23 23:51:44,689 INFO L158 Benchmark]: TraceAbstraction took 47096.02ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 45.6MB in the beginning and 278.1MB in the end (delta: -232.5MB). Peak memory consumption was 281.5MB. Max. memory is 16.1GB. [2024-11-23 23:51:44,690 INFO L158 Benchmark]: Witness Printer took 202.90ms. Allocated memory is still 520.1MB. Free memory was 278.1MB in the beginning and 265.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:51:44,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.22ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 62.2MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.29ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 58.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 201.59ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 49.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3216.54ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 46.2MB in the end (delta: 3.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 47096.02ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 45.6MB in the beginning and 278.1MB in the end (delta: -232.5MB). Peak memory consumption was 281.5MB. Max. memory is 16.1GB. * Witness Printer took 202.90ms. Allocated memory is still 520.1MB. Free memory was 278.1MB in the beginning and 265.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~i~0 * 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: 1118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1122]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1122]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1163]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1163]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1242]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1242]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1254]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1437]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1437]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 19 procedures, 256 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 38.4s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3833 SdHoareTripleChecker+Valid, 21.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3784 mSDsluCounter, 14310 SdHoareTripleChecker+Invalid, 20.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8185 mSDsCounter, 366 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1099 IncrementalHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 366 mSolverCounterUnsat, 6125 mSDtfsCounter, 1099 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1426 GetRequests, 1364 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1693occurred in iteration=10, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 2970 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 2859 NumberOfCodeBlocks, 2792 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3191 ConstructedInterpolants, 0 QuantifiedInterpolants, 5360 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7508 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 30 InterpolantComputations, 15 PerfectInterpolantSequences, 1025/1101 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 16 specifications checked. All of them hold - InvariantResult [Line: 1115]: Location Invariant Derived location invariant: (((((((((ldv_count_1 <= 0) && (0 <= i)) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (i <= 2147483645)) && (ldv_state_variable_0 == 2)) && (ldv_count_2 == 0)) - InvariantResult [Line: 1155]: Location Invariant Derived location invariant: (((((((ldv_count_1 <= 0) && (ldv_state_variable_1 == 2)) && (ldv_state_variable_0 == 2)) && ((i == 0) || ((i <= 2147483645) && (1 <= i)))) && (1 <= ref_cnt)) && (ldv_count_2 == 0)) && (ref_cnt <= 1)) - InvariantResult [Line: 1053]: Location Invariant Derived location invariant: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) && (ldv_count_2 == 0)) - InvariantResult [Line: 1015]: Loop Invariant Derived loop invariant: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && ((ldv_count_2 == 0) || (ldv_count_2 == 0))) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: (((((((ldv_count_1 <= 0) && (ref_cnt <= 0)) && (\old(ldv_count_2) == 0)) && ((ldv_count_2 == 0) || (ldv_count_2 == 0))) && (probed_1 <= 0)) && (0 <= ref_cnt)) && (ldv_state_variable_0 == 2)) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:51:44,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f07d35-a973-48df-8cbe-5e677a9f22ed/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