./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/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_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec [2024-12-02 08:37:15,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:37:15,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 08:37:15,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:37:15,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:37:15,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:37:15,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:37:15,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:37:15,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:37:15,125 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:37:15,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:37:15,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:37:15,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:37:15,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:37:15,126 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:37:15,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:37:15,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:37:15,128 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:37:15,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:37:15,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:37:15,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:37:15,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:37:15,130 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_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-12-02 08:37:15,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:37:15,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:37:15,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:37:15,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:37:15,329 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:37:15,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-12-02 08:37:17,976 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/data/a168fc085/60163437358c480fa03e3c7b8046ab3d/FLAG63fb3b774 [2024-12-02 08:37:18,253 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:37:18,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2024-12-02 08:37:18,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/data/a168fc085/60163437358c480fa03e3c7b8046ab3d/FLAG63fb3b774 [2024-12-02 08:37:18,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/data/a168fc085/60163437358c480fa03e3c7b8046ab3d [2024-12-02 08:37:18,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:37:18,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:37:18,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:37:18,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:37:18,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:37:18,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:18" (1/1) ... [2024-12-02 08:37:18,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8b60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:18, skipping insertion in model container [2024-12-02 08:37:18,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:37:18" (1/1) ... [2024-12-02 08:37:18,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:37:18,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:37:18,924 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:37:19,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:37:19,035 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:37:19,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19 WrapperNode [2024-12-02 08:37:19,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:37:19,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:37:19,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:37:19,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:37:19,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,093 INFO L138 Inliner]: procedures = 84, calls = 179, calls flagged for inlining = 34, calls inlined = 27, statements flattened = 565 [2024-12-02 08:37:19,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:37:19,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:37:19,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:37:19,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:37:19,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,150 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]. [2024-12-02 08:37:19,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,171 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:37:19,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:37:19,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:37:19,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:37:19,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (1/1) ... [2024-12-02 08:37:19,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:37:19,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:19,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:37:19,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:37:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2024-12-02 08:37:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2024-12-02 08:37:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 08:37:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:37:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:37:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:37:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:37:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-12-02 08:37:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:37:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:37:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2024-12-02 08:37:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-12-02 08:37:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-12-02 08:37:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-12-02 08:37:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 08:37:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2024-12-02 08:37:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:37:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:37:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2024-12-02 08:37:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2024-12-02 08:37:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:37:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-12-02 08:37:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-12-02 08:37:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:37:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:37:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2024-12-02 08:37:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2024-12-02 08:37:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 08:37:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 08:37:19,442 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:37:19,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:37:19,756 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:37:21,782 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-12-02 08:37:21,782 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:37:21,796 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:37:21,796 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:37:21,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:21 BoogieIcfgContainer [2024-12-02 08:37:21,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:37:21,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:37:21,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:37:21,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:37:21,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:37:18" (1/3) ... [2024-12-02 08:37:21,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76164725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:37:21, skipping insertion in model container [2024-12-02 08:37:21,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:37:19" (2/3) ... [2024-12-02 08:37:21,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76164725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:37:21, skipping insertion in model container [2024-12-02 08:37:21,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:21" (3/3) ... [2024-12-02 08:37:21,804 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 [2024-12-02 08:37:21,815 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:37:21,816 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. [2024-12-02 08:37:21,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:37:21,894 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;@65cccede, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:37:21,894 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-12-02 08:37:21,897 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) [2024-12-02 08:37:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 08:37:21,903 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:21,904 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] [2024-12-02 08:37:21,904 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)] === [2024-12-02 08:37:21,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:21,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1395805340, now seen corresponding path program 1 times [2024-12-02 08:37:21,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:21,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812724706] [2024-12-02 08:37:21,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:21,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:22,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:22,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812724706] [2024-12-02 08:37:22,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812724706] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:22,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:22,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:37:22,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954783560] [2024-12-02 08:37:22,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:22,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:22,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:22,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:22,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:22,256 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) [2024-12-02 08:37:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:22,349 INFO L93 Difference]: Finished difference Result 532 states and 700 transitions. [2024-12-02 08:37:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:22,352 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 [2024-12-02 08:37:22,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:22,371 INFO L225 Difference]: With dead ends: 532 [2024-12-02 08:37:22,371 INFO L226 Difference]: Without dead ends: 256 [2024-12-02 08:37:22,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:22,378 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 [2024-12-02 08:37:22,378 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] [2024-12-02 08:37:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-12-02 08:37:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2024-12-02 08:37:22,419 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) [2024-12-02 08:37:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 326 transitions. [2024-12-02 08:37:22,427 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 326 transitions. Word has length 21 [2024-12-02 08:37:22,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:22,427 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 326 transitions. [2024-12-02 08:37:22,427 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) [2024-12-02 08:37:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 326 transitions. [2024-12-02 08:37:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 08:37:22,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:22,430 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] [2024-12-02 08:37:22,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:37:22,430 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)] === [2024-12-02 08:37:22,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:22,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1840605303, now seen corresponding path program 1 times [2024-12-02 08:37:22,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:22,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511656592] [2024-12-02 08:37:22,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:22,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:37:22,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:22,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511656592] [2024-12-02 08:37:22,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511656592] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:22,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:22,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:37:22,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968904185] [2024-12-02 08:37:22,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:22,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:22,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:22,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:22,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:22,641 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) [2024-12-02 08:37:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:22,734 INFO L93 Difference]: Finished difference Result 509 states and 649 transitions. [2024-12-02 08:37:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:22,735 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 [2024-12-02 08:37:22,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:22,739 INFO L225 Difference]: With dead ends: 509 [2024-12-02 08:37:22,739 INFO L226 Difference]: Without dead ends: 503 [2024-12-02 08:37:22,740 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 [2024-12-02 08:37:22,741 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 268 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-12-02 08:37:22,741 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] [2024-12-02 08:37:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-12-02 08:37:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 493. [2024-12-02 08:37:22,775 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) [2024-12-02 08:37:22,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 643 transitions. [2024-12-02 08:37:22,780 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 643 transitions. Word has length 45 [2024-12-02 08:37:22,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:22,780 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 643 transitions. [2024-12-02 08:37:22,781 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) [2024-12-02 08:37:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 643 transitions. [2024-12-02 08:37:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 08:37:22,784 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:22,784 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] [2024-12-02 08:37:22,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:37:22,785 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)] === [2024-12-02 08:37:22,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:22,785 INFO L85 PathProgramCache]: Analyzing trace with hash 339756034, now seen corresponding path program 1 times [2024-12-02 08:37:22,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:22,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140970938] [2024-12-02 08:37:22,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 08:37:23,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140970938] [2024-12-02 08:37:23,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140970938] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:23,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061445498] [2024-12-02 08:37:23,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:23,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:23,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:37:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:23,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:37:23,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 08:37:23,504 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:37:23,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061445498] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:23,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:37:23,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-12-02 08:37:23,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633274153] [2024-12-02 08:37:23,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:23,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:23,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:23,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:23,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:23,506 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) [2024-12-02 08:37:23,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:23,564 INFO L93 Difference]: Finished difference Result 1168 states and 1518 transitions. [2024-12-02 08:37:23,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:23,565 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 [2024-12-02 08:37:23,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:23,569 INFO L225 Difference]: With dead ends: 1168 [2024-12-02 08:37:23,569 INFO L226 Difference]: Without dead ends: 678 [2024-12-02 08:37:23,570 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 [2024-12-02 08:37:23,571 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 [2024-12-02 08:37:23,571 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] [2024-12-02 08:37:23,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-12-02 08:37:23,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 666. [2024-12-02 08:37:23,603 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) [2024-12-02 08:37:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 870 transitions. [2024-12-02 08:37:23,607 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 870 transitions. Word has length 66 [2024-12-02 08:37:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:23,608 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 870 transitions. [2024-12-02 08:37:23,608 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) [2024-12-02 08:37:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 870 transitions. [2024-12-02 08:37:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-02 08:37:23,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:23,610 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] [2024-12-02 08:37:23,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:37:23,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-12-02 08:37:23,811 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)] === [2024-12-02 08:37:23,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:23,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1036098836, now seen corresponding path program 1 times [2024-12-02 08:37:23,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:23,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365484360] [2024-12-02 08:37:23,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:23,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 08:37:23,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:23,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365484360] [2024-12-02 08:37:23,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365484360] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:23,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:23,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:37:23,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735817524] [2024-12-02 08:37:23,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:23,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:23,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:23,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:23,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:23,985 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) [2024-12-02 08:37:25,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:37:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:25,683 INFO L93 Difference]: Finished difference Result 1208 states and 1565 transitions. [2024-12-02 08:37:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:25,684 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 [2024-12-02 08:37:25,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:25,689 INFO L225 Difference]: With dead ends: 1208 [2024-12-02 08:37:25,689 INFO L226 Difference]: Without dead ends: 751 [2024-12-02 08:37:25,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:25,691 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 99 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:25,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 632 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 08:37:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-12-02 08:37:25,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 749. [2024-12-02 08:37:25,729 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) [2024-12-02 08:37:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 968 transitions. [2024-12-02 08:37:25,735 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 968 transitions. Word has length 64 [2024-12-02 08:37:25,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:25,736 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 968 transitions. [2024-12-02 08:37:25,736 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) [2024-12-02 08:37:25,736 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 968 transitions. [2024-12-02 08:37:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 08:37:25,738 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:25,738 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] [2024-12-02 08:37:25,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:37:25,738 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)] === [2024-12-02 08:37:25,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:25,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1498552765, now seen corresponding path program 1 times [2024-12-02 08:37:25,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:25,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804527384] [2024-12-02 08:37:25,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:25,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:25,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:25,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804527384] [2024-12-02 08:37:25,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804527384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:25,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:25,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:37:25,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142732065] [2024-12-02 08:37:25,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:25,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:25,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:25,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:25,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:25,951 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) [2024-12-02 08:37:26,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:26,031 INFO L93 Difference]: Finished difference Result 1597 states and 2101 transitions. [2024-12-02 08:37:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:26,031 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 [2024-12-02 08:37:26,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:26,036 INFO L225 Difference]: With dead ends: 1597 [2024-12-02 08:37:26,036 INFO L226 Difference]: Without dead ends: 851 [2024-12-02 08:37:26,039 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 [2024-12-02 08:37:26,039 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:26,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 579 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:37:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-12-02 08:37:26,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 851. [2024-12-02 08:37:26,076 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) [2024-12-02 08:37:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1118 transitions. [2024-12-02 08:37:26,082 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1118 transitions. Word has length 84 [2024-12-02 08:37:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:26,083 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1118 transitions. [2024-12-02 08:37:26,083 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) [2024-12-02 08:37:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1118 transitions. [2024-12-02 08:37:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 08:37:26,084 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:26,084 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] [2024-12-02 08:37:26,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:37:26,085 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)] === [2024-12-02 08:37:26,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:26,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1585295532, now seen corresponding path program 1 times [2024-12-02 08:37:26,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:26,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829604840] [2024-12-02 08:37:26,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:26,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 08:37:26,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:26,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829604840] [2024-12-02 08:37:26,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829604840] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:26,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:26,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:37:26,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996795039] [2024-12-02 08:37:26,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:26,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:26,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:26,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:26,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:26,254 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) [2024-12-02 08:37:26,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:26,305 INFO L93 Difference]: Finished difference Result 1467 states and 1928 transitions. [2024-12-02 08:37:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:26,305 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 [2024-12-02 08:37:26,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:26,310 INFO L225 Difference]: With dead ends: 1467 [2024-12-02 08:37:26,310 INFO L226 Difference]: Without dead ends: 859 [2024-12-02 08:37:26,312 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 [2024-12-02 08:37:26,313 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 [2024-12-02 08:37:26,313 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] [2024-12-02 08:37:26,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-12-02 08:37:26,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2024-12-02 08:37:26,350 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) [2024-12-02 08:37:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1128 transitions. [2024-12-02 08:37:26,357 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1128 transitions. Word has length 86 [2024-12-02 08:37:26,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:26,358 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1128 transitions. [2024-12-02 08:37:26,358 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) [2024-12-02 08:37:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1128 transitions. [2024-12-02 08:37:26,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 08:37:26,359 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:26,360 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] [2024-12-02 08:37:26,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:37:26,360 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)] === [2024-12-02 08:37:26,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1975038011, now seen corresponding path program 1 times [2024-12-02 08:37:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:26,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408106378] [2024-12-02 08:37:26,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:26,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:26,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408106378] [2024-12-02 08:37:26,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408106378] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:26,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769093717] [2024-12-02 08:37:26,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:26,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:26,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:26,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:26,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:37:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:26,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:37:26,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:26,988 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:37:26,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769093717] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:26,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:37:26,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-02 08:37:26,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433878461] [2024-12-02 08:37:26,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:26,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:37:26,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:26,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:37:26,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:26,990 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) [2024-12-02 08:37:27,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:27,101 INFO L93 Difference]: Finished difference Result 1715 states and 2262 transitions. [2024-12-02 08:37:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:27,102 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 [2024-12-02 08:37:27,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:27,108 INFO L225 Difference]: With dead ends: 1715 [2024-12-02 08:37:27,108 INFO L226 Difference]: Without dead ends: 859 [2024-12-02 08:37:27,110 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 [2024-12-02 08:37:27,111 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 [2024-12-02 08:37:27,111 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] [2024-12-02 08:37:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-12-02 08:37:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2024-12-02 08:37:27,147 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) [2024-12-02 08:37:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1122 transitions. [2024-12-02 08:37:27,154 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1122 transitions. Word has length 89 [2024-12-02 08:37:27,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:27,154 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1122 transitions. [2024-12-02 08:37:27,154 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) [2024-12-02 08:37:27,154 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1122 transitions. [2024-12-02 08:37:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 08:37:27,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:27,156 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] [2024-12-02 08:37:27,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:37:27,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 08:37:27,357 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)] === [2024-12-02 08:37:27,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:27,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1096636396, now seen corresponding path program 1 times [2024-12-02 08:37:27,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:27,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183780911] [2024-12-02 08:37:27,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:27,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:27,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:27,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183780911] [2024-12-02 08:37:27,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183780911] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:27,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055142174] [2024-12-02 08:37:27,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:27,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:27,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:27,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:27,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:37:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:27,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:37:27,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:27,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:37:28,052 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:28,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055142174] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:37:28,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:37:28,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-02 08:37:28,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615270872] [2024-12-02 08:37:28,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:37:28,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:37:28,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:28,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:37:28,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:28,054 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) [2024-12-02 08:37:28,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:28,210 INFO L93 Difference]: Finished difference Result 979 states and 1311 transitions. [2024-12-02 08:37:28,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:37:28,211 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 [2024-12-02 08:37:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:28,216 INFO L225 Difference]: With dead ends: 979 [2024-12-02 08:37:28,216 INFO L226 Difference]: Without dead ends: 976 [2024-12-02 08:37:28,217 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 [2024-12-02 08:37:28,217 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, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:28,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 588 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:37:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2024-12-02 08:37:28,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 844. [2024-12-02 08:37:28,256 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) [2024-12-02 08:37:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1098 transitions. [2024-12-02 08:37:28,262 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1098 transitions. Word has length 90 [2024-12-02 08:37:28,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:28,262 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1098 transitions. [2024-12-02 08:37:28,262 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) [2024-12-02 08:37:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1098 transitions. [2024-12-02 08:37:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 08:37:28,264 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:28,264 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] [2024-12-02 08:37:28,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:37:28,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:28,465 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)] === [2024-12-02 08:37:28,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:28,465 INFO L85 PathProgramCache]: Analyzing trace with hash 294154553, now seen corresponding path program 2 times [2024-12-02 08:37:28,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:28,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785105366] [2024-12-02 08:37:28,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:37:28,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:28,512 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 08:37:28,512 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:37:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-02 08:37:28,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:28,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785105366] [2024-12-02 08:37:28,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785105366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:28,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:28,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:37:28,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999684123] [2024-12-02 08:37:28,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:28,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:37:28,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:28,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:37:28,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:28,571 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) [2024-12-02 08:37:30,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:37:30,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:30,516 INFO L93 Difference]: Finished difference Result 2303 states and 2989 transitions. [2024-12-02 08:37:30,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:37:30,517 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 [2024-12-02 08:37:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:30,526 INFO L225 Difference]: With dead ends: 2303 [2024-12-02 08:37:30,526 INFO L226 Difference]: Without dead ends: 1697 [2024-12-02 08:37:30,528 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 [2024-12-02 08:37:30,529 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 288 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:30,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1978 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 08:37:30,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-12-02 08:37:30,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 856. [2024-12-02 08:37:30,581 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) [2024-12-02 08:37:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1110 transitions. [2024-12-02 08:37:30,586 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1110 transitions. Word has length 88 [2024-12-02 08:37:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:30,587 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1110 transitions. [2024-12-02 08:37:30,587 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) [2024-12-02 08:37:30,587 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1110 transitions. [2024-12-02 08:37:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 08:37:30,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:30,588 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] [2024-12-02 08:37:30,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:37:30,589 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)] === [2024-12-02 08:37:30,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:30,589 INFO L85 PathProgramCache]: Analyzing trace with hash 645846163, now seen corresponding path program 1 times [2024-12-02 08:37:30,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:30,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686835205] [2024-12-02 08:37:30,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:30,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:30,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:30,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686835205] [2024-12-02 08:37:30,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686835205] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:30,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:30,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:37:30,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064531501] [2024-12-02 08:37:30,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:30,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:30,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:30,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:30,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:30,879 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) [2024-12-02 08:37:30,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:30,956 INFO L93 Difference]: Finished difference Result 1703 states and 2226 transitions. [2024-12-02 08:37:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:30,957 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 [2024-12-02 08:37:30,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:30,967 INFO L225 Difference]: With dead ends: 1703 [2024-12-02 08:37:30,967 INFO L226 Difference]: Without dead ends: 1701 [2024-12-02 08:37:30,968 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 [2024-12-02 08:37:30,968 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 [2024-12-02 08:37:30,968 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] [2024-12-02 08:37:30,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2024-12-02 08:37:31,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1693. [2024-12-02 08:37:31,066 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) [2024-12-02 08:37:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2220 transitions. [2024-12-02 08:37:31,077 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2220 transitions. Word has length 96 [2024-12-02 08:37:31,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:31,078 INFO L471 AbstractCegarLoop]: Abstraction has 1693 states and 2220 transitions. [2024-12-02 08:37:31,078 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) [2024-12-02 08:37:31,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2220 transitions. [2024-12-02 08:37:31,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 08:37:31,080 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:31,080 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] [2024-12-02 08:37:31,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:37:31,080 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)] === [2024-12-02 08:37:31,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:31,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1018333311, now seen corresponding path program 1 times [2024-12-02 08:37:31,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:31,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390339631] [2024-12-02 08:37:31,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-12-02 08:37:31,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:31,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390339631] [2024-12-02 08:37:31,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390339631] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:31,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691187715] [2024-12-02 08:37:31,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:31,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:31,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:31,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:31,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 08:37:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:31,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:37:31,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 08:37:31,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:37:31,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691187715] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:31,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:37:31,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2024-12-02 08:37:31,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525157524] [2024-12-02 08:37:31,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:31,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:37:31,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:31,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:37:31,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:31,641 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) [2024-12-02 08:37:32,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:32,747 INFO L93 Difference]: Finished difference Result 4617 states and 6041 transitions. [2024-12-02 08:37:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:37:32,748 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 [2024-12-02 08:37:32,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:32,779 INFO L225 Difference]: With dead ends: 4617 [2024-12-02 08:37:32,779 INFO L226 Difference]: Without dead ends: 3403 [2024-12-02 08:37:32,783 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 [2024-12-02 08:37:32,783 INFO L435 NwaCegarLoop]: 565 mSDtfsCounter, 288 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:32,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1978 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 08:37:32,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2024-12-02 08:37:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 1693. [2024-12-02 08:37:32,931 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) [2024-12-02 08:37:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2220 transitions. [2024-12-02 08:37:32,940 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2220 transitions. Word has length 105 [2024-12-02 08:37:32,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:32,941 INFO L471 AbstractCegarLoop]: Abstraction has 1693 states and 2220 transitions. [2024-12-02 08:37:32,941 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) [2024-12-02 08:37:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2220 transitions. [2024-12-02 08:37:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 08:37:32,943 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:32,943 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] [2024-12-02 08:37:32,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 08:37:33,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:33,144 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)] === [2024-12-02 08:37:33,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:33,144 INFO L85 PathProgramCache]: Analyzing trace with hash 16949659, now seen corresponding path program 1 times [2024-12-02 08:37:33,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:33,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992478622] [2024-12-02 08:37:33,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:33,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-02 08:37:33,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:33,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992478622] [2024-12-02 08:37:33,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992478622] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:33,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047218995] [2024-12-02 08:37:33,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:33,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:33,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:33,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:33,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 08:37:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:33,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 08:37:33,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 08:37:34,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:37:34,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047218995] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:34,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:37:34,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 11 [2024-12-02 08:37:34,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814404244] [2024-12-02 08:37:34,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:34,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:37:34,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:34,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:37:34,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-12-02 08:37:34,496 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) [2024-12-02 08:37:36,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:37:40,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:37:40,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:40,501 INFO L93 Difference]: Finished difference Result 1713 states and 2229 transitions. [2024-12-02 08:37:40,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:37:40,501 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 [2024-12-02 08:37:40,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:40,505 INFO L225 Difference]: With dead ends: 1713 [2024-12-02 08:37:40,505 INFO L226 Difference]: Without dead ends: 842 [2024-12-02 08:37:40,507 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 [2024-12-02 08:37:40,508 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 328 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:40,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 490 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-12-02 08:37:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-12-02 08:37:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2024-12-02 08:37:40,547 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) [2024-12-02 08:37:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1089 transitions. [2024-12-02 08:37:40,550 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1089 transitions. Word has length 115 [2024-12-02 08:37:40,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:40,551 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1089 transitions. [2024-12-02 08:37:40,551 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) [2024-12-02 08:37:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1089 transitions. [2024-12-02 08:37:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 08:37:40,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:40,552 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] [2024-12-02 08:37:40,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 08:37:40,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:40,753 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)] === [2024-12-02 08:37:40,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:40,753 INFO L85 PathProgramCache]: Analyzing trace with hash 765441500, now seen corresponding path program 1 times [2024-12-02 08:37:40,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:40,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559575804] [2024-12-02 08:37:40,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:40,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:40,981 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 08:37:40,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:40,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559575804] [2024-12-02 08:37:40,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559575804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:40,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:40,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:37:40,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462353709] [2024-12-02 08:37:40,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:40,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:37:40,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:40,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:37:40,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:37:40,983 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) [2024-12-02 08:37:41,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:41,059 INFO L93 Difference]: Finished difference Result 1681 states and 2178 transitions. [2024-12-02 08:37:41,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:41,059 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 [2024-12-02 08:37:41,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:41,064 INFO L225 Difference]: With dead ends: 1681 [2024-12-02 08:37:41,064 INFO L226 Difference]: Without dead ends: 842 [2024-12-02 08:37:41,067 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 [2024-12-02 08:37:41,067 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 [2024-12-02 08:37:41,067 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] [2024-12-02 08:37:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-12-02 08:37:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2024-12-02 08:37:41,123 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) [2024-12-02 08:37:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1086 transitions. [2024-12-02 08:37:41,128 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1086 transitions. Word has length 130 [2024-12-02 08:37:41,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:41,128 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1086 transitions. [2024-12-02 08:37:41,128 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) [2024-12-02 08:37:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1086 transitions. [2024-12-02 08:37:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 08:37:41,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:41,130 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] [2024-12-02 08:37:41,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:37:41,131 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)] === [2024-12-02 08:37:41,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:41,131 INFO L85 PathProgramCache]: Analyzing trace with hash 927396327, now seen corresponding path program 1 times [2024-12-02 08:37:41,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:41,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891780274] [2024-12-02 08:37:41,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:41,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-02 08:37:41,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:41,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891780274] [2024-12-02 08:37:41,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891780274] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:41,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292281866] [2024-12-02 08:37:41,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:41,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:41,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:41,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:41,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 08:37:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:41,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:37:41,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-02 08:37:41,814 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:37:41,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292281866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:41,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:37:41,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-02 08:37:41,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750934854] [2024-12-02 08:37:41,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:41,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:37:41,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:41,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:37:41,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:41,815 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) [2024-12-02 08:37:41,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:41,880 INFO L93 Difference]: Finished difference Result 842 states and 1086 transitions. [2024-12-02 08:37:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:41,881 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 [2024-12-02 08:37:41,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:41,886 INFO L225 Difference]: With dead ends: 842 [2024-12-02 08:37:41,886 INFO L226 Difference]: Without dead ends: 841 [2024-12-02 08:37:41,887 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 [2024-12-02 08:37:41,887 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 [2024-12-02 08:37:41,887 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] [2024-12-02 08:37:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-12-02 08:37:41,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2024-12-02 08:37:41,946 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) [2024-12-02 08:37:41,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1084 transitions. [2024-12-02 08:37:41,951 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1084 transitions. Word has length 134 [2024-12-02 08:37:41,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:41,951 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1084 transitions. [2024-12-02 08:37:41,951 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) [2024-12-02 08:37:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1084 transitions. [2024-12-02 08:37:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 08:37:41,953 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:41,954 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] [2024-12-02 08:37:41,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 08:37:42,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 08:37:42,154 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)] === [2024-12-02 08:37:42,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:42,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1315484659, now seen corresponding path program 1 times [2024-12-02 08:37:42,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:42,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585245328] [2024-12-02 08:37:42,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-02 08:37:42,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:42,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585245328] [2024-12-02 08:37:42,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585245328] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:42,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432402859] [2024-12-02 08:37:42,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:42,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:42,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:42,348 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:42,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 08:37:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:42,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:37:42,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-02 08:37:42,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:37:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-12-02 08:37:42,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432402859] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:37:42,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:37:42,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-02 08:37:42,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007611332] [2024-12-02 08:37:42,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:37:42,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:37:42,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:42,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:37:42,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:42,970 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) [2024-12-02 08:37:43,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:43,041 INFO L93 Difference]: Finished difference Result 851 states and 1102 transitions. [2024-12-02 08:37:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:37:43,041 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 [2024-12-02 08:37:43,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:43,046 INFO L225 Difference]: With dead ends: 851 [2024-12-02 08:37:43,046 INFO L226 Difference]: Without dead ends: 850 [2024-12-02 08:37:43,047 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 [2024-12-02 08:37:43,047 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 [2024-12-02 08:37:43,047 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] [2024-12-02 08:37:43,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-12-02 08:37:43,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 834. [2024-12-02 08:37:43,118 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) [2024-12-02 08:37:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1074 transitions. [2024-12-02 08:37:43,123 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1074 transitions. Word has length 135 [2024-12-02 08:37:43,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:43,123 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1074 transitions. [2024-12-02 08:37:43,123 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) [2024-12-02 08:37:43,123 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1074 transitions. [2024-12-02 08:37:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 08:37:43,126 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:43,126 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] [2024-12-02 08:37:43,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 08:37:43,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 08:37:43,326 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)] === [2024-12-02 08:37:43,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:43,327 INFO L85 PathProgramCache]: Analyzing trace with hash -518761339, now seen corresponding path program 1 times [2024-12-02 08:37:43,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:43,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632681696] [2024-12-02 08:37:43,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:43,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:37:43,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:43,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632681696] [2024-12-02 08:37:43,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632681696] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:43,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590817662] [2024-12-02 08:37:43,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:43,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:43,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:43,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 08:37:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:44,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:37:44,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 08:37:44,225 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:37:44,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590817662] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:44,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:37:44,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-02 08:37:44,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617847401] [2024-12-02 08:37:44,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:44,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:37:44,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:44,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:37:44,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:44,226 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) [2024-12-02 08:37:46,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:37:46,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:46,320 INFO L93 Difference]: Finished difference Result 836 states and 1078 transitions. [2024-12-02 08:37:46,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:46,320 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 [2024-12-02 08:37:46,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:46,325 INFO L225 Difference]: With dead ends: 836 [2024-12-02 08:37:46,325 INFO L226 Difference]: Without dead ends: 833 [2024-12-02 08:37:46,325 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 [2024-12-02 08:37:46,326 INFO L435 NwaCegarLoop]: 491 mSDtfsCounter, 396 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:46,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 652 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 08:37:46,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-12-02 08:37:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 831. [2024-12-02 08:37:46,385 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) [2024-12-02 08:37:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1071 transitions. [2024-12-02 08:37:46,390 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1071 transitions. Word has length 136 [2024-12-02 08:37:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:46,390 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1071 transitions. [2024-12-02 08:37:46,390 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) [2024-12-02 08:37:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1071 transitions. [2024-12-02 08:37:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 08:37:46,393 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:46,393 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] [2024-12-02 08:37:46,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 08:37:46,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 08:37:46,593 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)] === [2024-12-02 08:37:46,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:46,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1098268033, now seen corresponding path program 1 times [2024-12-02 08:37:46,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:46,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702665972] [2024-12-02 08:37:46,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:46,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:37:46,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:46,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702665972] [2024-12-02 08:37:46,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702665972] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:37:46,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685611004] [2024-12-02 08:37:46,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:46,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:46,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:37:46,768 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:37:46,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 08:37:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:47,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:37:47,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:37:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 08:37:47,395 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:37:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 08:37:47,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685611004] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:37:47,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:37:47,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-02 08:37:47,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143304600] [2024-12-02 08:37:47,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:37:47,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:37:47,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:47,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:37:47,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:47,546 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) [2024-12-02 08:37:48,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:48,082 INFO L93 Difference]: Finished difference Result 1422 states and 1833 transitions. [2024-12-02 08:37:48,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:37:48,083 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 [2024-12-02 08:37:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:48,089 INFO L225 Difference]: With dead ends: 1422 [2024-12-02 08:37:48,090 INFO L226 Difference]: Without dead ends: 1419 [2024-12-02 08:37:48,090 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 [2024-12-02 08:37:48,091 INFO L435 NwaCegarLoop]: 287 mSDtfsCounter, 1014 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:48,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 892 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:37:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2024-12-02 08:37:48,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1182. [2024-12-02 08:37:48,197 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) [2024-12-02 08:37:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1518 transitions. [2024-12-02 08:37:48,202 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1518 transitions. Word has length 137 [2024-12-02 08:37:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:48,202 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1518 transitions. [2024-12-02 08:37:48,203 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) [2024-12-02 08:37:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1518 transitions. [2024-12-02 08:37:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-02 08:37:48,207 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:48,208 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] [2024-12-02 08:37:48,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 08:37:48,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:37:48,408 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)] === [2024-12-02 08:37:48,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:48,409 INFO L85 PathProgramCache]: Analyzing trace with hash -984186485, now seen corresponding path program 1 times [2024-12-02 08:37:48,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:48,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701267305] [2024-12-02 08:37:48,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:48,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-12-02 08:37:48,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:48,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701267305] [2024-12-02 08:37:48,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701267305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:48,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:48,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:37:48,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883688247] [2024-12-02 08:37:48,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:48,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:37:48,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:48,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:37:48,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:48,568 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) [2024-12-02 08:37:50,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:37:50,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:50,342 INFO L93 Difference]: Finished difference Result 1513 states and 1940 transitions. [2024-12-02 08:37:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:37:50,343 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 [2024-12-02 08:37:50,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:50,344 INFO L225 Difference]: With dead ends: 1513 [2024-12-02 08:37:50,344 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:37:50,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:37:50,347 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 242 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:50,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 305 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 08:37:50,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:37:50,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:37:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:37:50,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2024-12-02 08:37:50,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:50,349 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:37:50,349 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) [2024-12-02 08:37:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:37:50,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:37:50,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-12-02 08:37:50,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-12-02 08:37:50,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-12-02 08:37:50,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-12-02 08:37:50,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-12-02 08:37:50,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_probeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location s3c_hwmon_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_device_create_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-12-02 08:37:50,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_device_create_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-12-02 08:37:50,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:37:50,356 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:37:50,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:37:56,757 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:37:56,771 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-12-02 08:37:56,771 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-12-02 08:37:56,771 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-12-02 08:37:56,772 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-12-02 08:37:56,772 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-12-02 08:37:56,772 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~i~0 [2024-12-02 08:37:56,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:37:56 BoogieIcfgContainer [2024-12-02 08:37:56,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:37:56,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:37:56,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:37:56,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:37:56,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:37:21" (3/4) ... [2024-12-02 08:37:56,776 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_raw [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_probe [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hwmon_device_unregister [2024-12-02 08:37:56,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_remove_file [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_adc_release [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure s3c_hwmon_remove_attr [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_device_create_file [2024-12-02 08:37:56,782 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-12-02 08:37:56,791 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2024-12-02 08:37:56,792 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-12-02 08:37:56,793 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-02 08:37:56,794 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 08:37:56,795 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:37:56,826 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)) [2024-12-02 08:37:56,827 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)) [2024-12-02 08:37:56,830 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)) [2024-12-02 08:37:56,834 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)) [2024-12-02 08:37:56,891 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)) [2024-12-02 08:37:56,891 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)) [2024-12-02 08:37:56,891 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)) [2024-12-02 08:37:56,891 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)) [2024-12-02 08:37:56,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:37:56,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:37:56,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:37:56,934 INFO L158 Benchmark]: Toolchain (without parser) took 38368.38ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 91.0MB in the beginning and 289.8MB in the end (delta: -198.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-12-02 08:37:56,934 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:37:56,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.48ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 60.7MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 08:37:56,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.23ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 56.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:37:56,934 INFO L158 Benchmark]: Boogie Preprocessor took 95.20ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 48.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:37:56,935 INFO L158 Benchmark]: RCFGBuilder took 2607.13ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 45.2MB in the end (delta: 2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-12-02 08:37:56,935 INFO L158 Benchmark]: TraceAbstraction took 34974.22ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 44.6MB in the beginning and 302.2MB in the end (delta: -257.6MB). Peak memory consumption was 201.7MB. Max. memory is 16.1GB. [2024-12-02 08:37:56,935 INFO L158 Benchmark]: Witness Printer took 159.60ms. Allocated memory is still 394.3MB. Free memory was 302.2MB in the beginning and 289.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:37:56,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.48ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 60.7MB in the end (delta: 30.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.23ms. Allocated memory is still 117.4MB. Free memory was 60.4MB in the beginning and 56.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 95.20ms. Allocated memory is still 117.4MB. Free memory was 56.5MB in the beginning and 48.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2607.13ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 45.2MB in the end (delta: 2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 34974.22ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 44.6MB in the beginning and 302.2MB in the end (delta: -257.6MB). Peak memory consumption was 201.7MB. Max. memory is 16.1GB. * Witness Printer took 159.60ms. Allocated memory is still 394.3MB. Free memory was 302.2MB in the beginning and 289.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. 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: 28.5s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3833 SdHoareTripleChecker+Valid, 15.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3784 mSDsluCounter, 14310 SdHoareTripleChecker+Invalid, 14.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8185 mSDsCounter, 366 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1099 IncrementalHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 366 mSolverCounterUnsat, 6125 mSDtfsCounter, 1099 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1426 GetRequests, 1364 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s 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: 1.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 2970 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.0s 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! [2024-12-02 08:37:56,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_121fa45e-afe2-42c7-80fc-e7ef94e3f313/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE