./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.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_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:21,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:22,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-25 00:10:22,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:22,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:22,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:22,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:22,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:22,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:22,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:22,100 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:22,101 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:22,102 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:22,102 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:22,103 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:22,104 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:22,105 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:22,105 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:22,106 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:22,107 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:22,107 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:22,108 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:22,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:22,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:22,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:22,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:22,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:22,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:22,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:22,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:10:22,114 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:10:22,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:22,115 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:22,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:22,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:22,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:22,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:22,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:22,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:22,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:22,118 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:22,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:22,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:22,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:22,120 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:22,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:22,121 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f19b088f98626e870666f9633d9e7e34156d2b7ba315c9b1bc3979a22f8d34 [2023-11-25 00:10:22,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:22,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:22,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:22,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:22,457 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:22,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/../../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 [2023-11-25 00:10:25,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:26,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:26,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/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 [2023-11-25 00:10:26,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/data/8db1e2f0c/cd937a83961f49228b620b9f94727045/FLAGc0badde2b [2023-11-25 00:10:26,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/data/8db1e2f0c/cd937a83961f49228b620b9f94727045 [2023-11-25 00:10:26,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:26,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:26,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:26,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:26,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:26,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:26,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cde6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26, skipping insertion in model container [2023-11-25 00:10:26,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:26,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:26,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:26,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:26,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:26,983 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:26,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26 WrapperNode [2023-11-25 00:10:26,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:26,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:26,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:26,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:26,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,066 INFO L138 Inliner]: procedures = 83, calls = 179, calls flagged for inlining = 34, calls inlined = 27, statements flattened = 579 [2023-11-25 00:10:27,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:27,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:27,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:27,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:27,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:27,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:27,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:27,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:27,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (1/1) ... [2023-11-25 00:10:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:27,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:27,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:27,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:27,327 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2023-11-25 00:10:27,327 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2023-11-25 00:10:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2023-11-25 00:10:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2023-11-25 00:10:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:10:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:10:27,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:10:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:10:27,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:10:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:10:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:10:27,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:10:27,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:10:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:10:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-25 00:10:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-25 00:10:27,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:10:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:10:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:10:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:10:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2023-11-25 00:10:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2023-11-25 00:10:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:10:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:10:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-25 00:10:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-25 00:10:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-11-25 00:10:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-11-25 00:10:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-25 00:10:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-25 00:10:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:10:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2023-11-25 00:10:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2023-11-25 00:10:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:10:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:10:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:10:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2023-11-25 00:10:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2023-11-25 00:10:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:10:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-25 00:10:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-25 00:10:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2023-11-25 00:10:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2023-11-25 00:10:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-25 00:10:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-25 00:10:27,608 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:27,613 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:28,095 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:10:28,327 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:28,443 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:28,444 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-25 00:10:28,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:28 BoogieIcfgContainer [2023-11-25 00:10:28,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:28,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:28,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:28,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:28,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:26" (1/3) ... [2023-11-25 00:10:28,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719eab35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:28, skipping insertion in model container [2023-11-25 00:10:28,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:26" (2/3) ... [2023-11-25 00:10:28,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719eab35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:28, skipping insertion in model container [2023-11-25 00:10:28,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:28" (3/3) ... [2023-11-25 00:10:28,456 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-25 00:10:28,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:28,512 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-25 00:10:28,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:28,595 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@354bd1c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:28,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-25 00:10:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 128 states have (on average 1.4453125) internal successors, (185), 149 states have internal predecessors, (185), 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) [2023-11-25 00:10:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-25 00:10:28,617 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:28,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:10:28,619 INFO L420 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)] === [2023-11-25 00:10:28,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:28,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1663366784, now seen corresponding path program 1 times [2023-11-25 00:10:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:28,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499171717] [2023-11-25 00:10:28,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:28,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:29,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:10:29,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:29,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499171717] [2023-11-25 00:10:29,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499171717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:29,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:29,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:10:29,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725056310] [2023-11-25 00:10:29,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:29,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:10:29,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:29,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:10:29,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:10:29,098 INFO L87 Difference]: Start difference. First operand has 210 states, 128 states have (on average 1.4453125) internal successors, (185), 149 states have internal predecessors, (185), 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 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-25 00:10:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:29,382 INFO L93 Difference]: Finished difference Result 439 states and 584 transitions. [2023-11-25 00:10:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:10:29,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2023-11-25 00:10:29,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:29,401 INFO L225 Difference]: With dead ends: 439 [2023-11-25 00:10:29,401 INFO L226 Difference]: Without dead ends: 218 [2023-11-25 00:10:29,407 INFO L412 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 [2023-11-25 00:10:29,411 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 27 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:29,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 479 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:10:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-25 00:10:29,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2023-11-25 00:10:29,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 141 states have (on average 1.4113475177304964) internal successors, (199), 157 states have internal predecessors, (199), 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) [2023-11-25 00:10:29,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 287 transitions. [2023-11-25 00:10:29,488 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 287 transitions. Word has length 18 [2023-11-25 00:10:29,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:29,488 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 287 transitions. [2023-11-25 00:10:29,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-25 00:10:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 287 transitions. [2023-11-25 00:10:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-25 00:10:29,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:29,500 INFO L195 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] [2023-11-25 00:10:29,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:10:29,501 INFO L420 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)] === [2023-11-25 00:10:29,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:29,502 INFO L85 PathProgramCache]: Analyzing trace with hash -185196582, now seen corresponding path program 1 times [2023-11-25 00:10:29,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:29,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063083865] [2023-11-25 00:10:29,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:29,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-25 00:10:29,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063083865] [2023-11-25 00:10:29,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063083865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:29,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:29,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:10:29,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555941126] [2023-11-25 00:10:29,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:29,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:10:29,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:29,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:10:29,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:10:29,756 INFO L87 Difference]: Start difference. First operand 218 states and 287 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-25 00:10:30,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:30,017 INFO L93 Difference]: Finished difference Result 435 states and 573 transitions. [2023-11-25 00:10:30,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:10:30,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 37 [2023-11-25 00:10:30,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:30,024 INFO L225 Difference]: With dead ends: 435 [2023-11-25 00:10:30,024 INFO L226 Difference]: Without dead ends: 429 [2023-11-25 00:10:30,025 INFO L412 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 [2023-11-25 00:10:30,027 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 235 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:30,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 496 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:10:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2023-11-25 00:10:30,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 419. [2023-11-25 00:10:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 281 states have (on average 1.3914590747330962) internal successors, (391), 298 states have internal predecessors, (391), 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) [2023-11-25 00:10:30,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 567 transitions. [2023-11-25 00:10:30,106 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 567 transitions. Word has length 37 [2023-11-25 00:10:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:30,111 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 567 transitions. [2023-11-25 00:10:30,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-25 00:10:30,117 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 567 transitions. [2023-11-25 00:10:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-25 00:10:30,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:30,125 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-25 00:10:30,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:10:30,126 INFO L420 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)] === [2023-11-25 00:10:30,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:30,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2064549331, now seen corresponding path program 1 times [2023-11-25 00:10:30,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:30,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204951077] [2023-11-25 00:10:30,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:30,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-25 00:10:30,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204951077] [2023-11-25 00:10:30,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204951077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:30,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:30,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:10:30,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964678722] [2023-11-25 00:10:30,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:30,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:10:30,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:30,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:10:30,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:10:30,428 INFO L87 Difference]: Start difference. First operand 419 states and 567 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-25 00:10:30,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:30,739 INFO L93 Difference]: Finished difference Result 1014 states and 1372 transitions. [2023-11-25 00:10:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:10:30,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 54 [2023-11-25 00:10:30,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:30,748 INFO L225 Difference]: With dead ends: 1014 [2023-11-25 00:10:30,748 INFO L226 Difference]: Without dead ends: 596 [2023-11-25 00:10:30,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:10:30,757 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 232 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:30,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 955 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:10:30,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2023-11-25 00:10:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 584. [2023-11-25 00:10:30,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 405 states have (on average 1.382716049382716) internal successors, (560), 423 states have internal predecessors, (560), 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) [2023-11-25 00:10:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 792 transitions. [2023-11-25 00:10:30,830 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 792 transitions. Word has length 54 [2023-11-25 00:10:30,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:30,830 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 792 transitions. [2023-11-25 00:10:30,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-25 00:10:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 792 transitions. [2023-11-25 00:10:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-25 00:10:30,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:30,837 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-25 00:10:30,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:10:30,837 INFO L420 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)] === [2023-11-25 00:10:30,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:30,838 INFO L85 PathProgramCache]: Analyzing trace with hash 96484316, now seen corresponding path program 1 times [2023-11-25 00:10:30,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:30,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268212625] [2023-11-25 00:10:30,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:30,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-25 00:10:30,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:30,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268212625] [2023-11-25 00:10:30,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268212625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:30,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:30,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:10:30,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568499049] [2023-11-25 00:10:30,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:30,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:10:30,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:10:30,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:10:30,985 INFO L87 Difference]: Start difference. First operand 584 states and 792 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (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) [2023-11-25 00:10:31,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:31,144 INFO L93 Difference]: Finished difference Result 1066 states and 1434 transitions. [2023-11-25 00:10:31,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:10:31,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (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 55 [2023-11-25 00:10:31,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:31,151 INFO L225 Difference]: With dead ends: 1066 [2023-11-25 00:10:31,151 INFO L226 Difference]: Without dead ends: 656 [2023-11-25 00:10:31,153 INFO L412 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 [2023-11-25 00:10:31,154 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 86 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:31,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 491 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:10:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2023-11-25 00:10:31,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 654. [2023-11-25 00:10:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 452 states have (on average 1.3738938053097345) internal successors, (621), 470 states have internal predecessors, (621), 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) [2023-11-25 00:10:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 877 transitions. [2023-11-25 00:10:31,217 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 877 transitions. Word has length 55 [2023-11-25 00:10:31,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:31,219 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 877 transitions. [2023-11-25 00:10:31,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (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) [2023-11-25 00:10:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 877 transitions. [2023-11-25 00:10:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-25 00:10:31,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:31,224 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-11-25 00:10:31,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:10:31,224 INFO L420 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)] === [2023-11-25 00:10:31,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1740789452, now seen corresponding path program 1 times [2023-11-25 00:10:31,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:31,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71349574] [2023-11-25 00:10:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-25 00:10:31,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:31,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71349574] [2023-11-25 00:10:31,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71349574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:31,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:10:31,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:10:31,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117392426] [2023-11-25 00:10:31,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:31,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:10:31,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:31,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:10:31,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:10:31,466 INFO L87 Difference]: Start difference. First operand 654 states and 877 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-25 00:10:31,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:31,634 INFO L93 Difference]: Finished difference Result 1379 states and 1881 transitions. [2023-11-25 00:10:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:10:31,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 65 [2023-11-25 00:10:31,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:31,641 INFO L225 Difference]: With dead ends: 1379 [2023-11-25 00:10:31,642 INFO L226 Difference]: Without dead ends: 741 [2023-11-25 00:10:31,644 INFO L412 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 [2023-11-25 00:10:31,645 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 26 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:31,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 452 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:10:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2023-11-25 00:10:31,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2023-11-25 00:10:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 518 states have (on average 1.3725868725868726) internal successors, (711), 536 states have internal predecessors, (711), 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) [2023-11-25 00:10:31,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1009 transitions. [2023-11-25 00:10:31,700 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1009 transitions. Word has length 65 [2023-11-25 00:10:31,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:31,701 INFO L495 AbstractCegarLoop]: Abstraction has 741 states and 1009 transitions. [2023-11-25 00:10:31,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-25 00:10:31,701 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1009 transitions. [2023-11-25 00:10:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-25 00:10:31,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:31,703 INFO L195 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] [2023-11-25 00:10:31,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-25 00:10:31,704 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting s3c_hwmon_probeErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-25 00:10:31,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:31,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2118522119, now seen corresponding path program 1 times [2023-11-25 00:10:31,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:31,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186546452] [2023-11-25 00:10:31,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:31,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-25 00:10:31,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:31,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186546452] [2023-11-25 00:10:31,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186546452] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:10:31,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115703731] [2023-11-25 00:10:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:31,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:10:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:31,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:10:31,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:10:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:32,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:10:32,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-25 00:10:32,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:10:32,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115703731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:10:32,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-25 00:10:32,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-25 00:10:32,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131623485] [2023-11-25 00:10:32,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:10:32,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:10:32,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:10:32,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:10:32,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:10:32,290 INFO L87 Difference]: Start difference. First operand 741 states and 1009 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-25 00:10:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:10:32,460 INFO L93 Difference]: Finished difference Result 1472 states and 2010 transitions. [2023-11-25 00:10:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:10:32,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 69 [2023-11-25 00:10:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:10:32,468 INFO L225 Difference]: With dead ends: 1472 [2023-11-25 00:10:32,468 INFO L226 Difference]: Without dead ends: 747 [2023-11-25 00:10:32,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:10:32,472 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 62 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:10:32,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 476 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:10:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2023-11-25 00:10:32,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 741. [2023-11-25 00:10:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 521 states have (on average 1.3531669865642995) internal successors, (705), 536 states have internal predecessors, (705), 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) [2023-11-25 00:10:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1003 transitions. [2023-11-25 00:10:32,528 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1003 transitions. Word has length 69 [2023-11-25 00:10:32,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:10:32,529 INFO L495 AbstractCegarLoop]: Abstraction has 741 states and 1003 transitions. [2023-11-25 00:10:32,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-11-25 00:10:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1003 transitions. [2023-11-25 00:10:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-25 00:10:32,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:32,531 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-11-25 00:10:32,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:10:32,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-25 00:10:32,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting s3c_hwmon_probeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [s3c_hwmon_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, s3c_hwmon_probeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-25 00:10:32,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:32,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1249676449, now seen corresponding path program 1 times [2023-11-25 00:10:32,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:32,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594526419] [2023-11-25 00:10:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-25 00:10:32,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:10:32,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594526419] [2023-11-25 00:10:32,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594526419] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:10:32,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940549296] [2023-11-25 00:10:32,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:32,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:10:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:32,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:10:32,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-25 00:10:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:10:33,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:10:33,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:10:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-25 00:10:33,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:10:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-25 00:10:33,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940549296] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:10:33,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1570619986] [2023-11-25 00:10:33,334 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2023-11-25 00:10:33,335 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:10:33,339 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:10:33,344 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:10:33,345 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-25 00:10:43,465 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 348 for LOIs [2023-11-25 00:10:43,479 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 256 for LOIs [2023-11-25 00:10:43,823 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-25 00:11:06,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1570619986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:06,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:11:06,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [3, 3, 3] total 24 [2023-11-25 00:11:06,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313310903] [2023-11-25 00:11:06,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:06,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-25 00:11:06,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:11:06,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-25 00:11:06,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2023-11-25 00:11:06,496 INFO L87 Difference]: Start difference. First operand 741 states and 1003 transitions. Second operand has 19 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-25 00:11:16,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:16,433 INFO L93 Difference]: Finished difference Result 1492 states and 2019 transitions. [2023-11-25 00:11:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-25 00:11:16,435 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 70 [2023-11-25 00:11:16,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:16,441 INFO L225 Difference]: With dead ends: 1492 [2023-11-25 00:11:16,443 INFO L226 Difference]: Without dead ends: 747 [2023-11-25 00:11:16,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 26.9s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2023-11-25 00:11:16,448 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 16 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1707 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:16,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1707 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-25 00:11:16,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2023-11-25 00:11:16,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 744. [2023-11-25 00:11:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 523 states have (on average 1.3460803059273423) internal successors, (704), 538 states have internal predecessors, (704), 150 states have call successors, (150), 59 states have call predecessors, (150), 58 states have return successors, (150), 149 states have call predecessors, (150), 150 states have call successors, (150) [2023-11-25 00:11:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1004 transitions. [2023-11-25 00:11:16,529 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1004 transitions. Word has length 70 [2023-11-25 00:11:16,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:16,530 INFO L495 AbstractCegarLoop]: Abstraction has 744 states and 1004 transitions. [2023-11-25 00:11:16,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 15 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-25 00:11:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1004 transitions. [2023-11-25 00:11:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-25 00:11:16,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:16,535 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-25 00:11:16,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:11:16,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e8d9be5-9641-4c03-98a7-1d3ddd5b6e40/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:11:16,742 INFO L420 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)] === [2023-11-25 00:11:16,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1681072509, now seen corresponding path program 1 times [2023-11-25 00:11:16,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:11:16,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782411888] [2023-11-25 00:11:16,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:16,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms