./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ --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 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:10:51,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:10:52,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:10:52,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:10:52,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:10:52,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:10:52,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:10:52,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:10:52,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:10:52,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:10:52,105 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:10:52,105 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:10:52,106 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:10:52,106 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:10:52,107 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:10:52,110 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:10:52,112 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:10:52,116 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:10:52,117 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:10:52,118 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:10:52,119 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:10:52,121 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:10:52,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:10:52,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:10:52,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:10:52,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:10:52,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:10:52,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:10:52,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:10:52,126 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:10:52,127 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:10:52,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:10:52,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:10:52,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:10:52,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:10:52,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:52,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:10:52,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:10:52,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:10:52,130 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:10:52,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:10:52,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:10:52,131 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:10:52,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:10:52,132 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_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 [2023-11-19 05:10:52,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:10:52,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:10:52,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:10:52,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:10:52,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:10:52,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2023-11-19 05:10:55,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:55,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:55,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2023-11-19 05:10:56,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/data/7d97e31eb/29a77b3efd8a4e668e76a325c3e55648/FLAG930dc0af5 [2023-11-19 05:10:56,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/data/7d97e31eb/29a77b3efd8a4e668e76a325c3e55648 [2023-11-19 05:10:56,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:56,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:56,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:56,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:56,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:56,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:56,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b7aca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56, skipping insertion in model container [2023-11-19 05:10:56,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:56,102 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:56,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:56,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:10:56,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:56,824 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:10:56,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56 WrapperNode [2023-11-19 05:10:56,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:56,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:56,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:10:56,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:10:56,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:56,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:56,976 INFO L138 Inliner]: procedures = 75, calls = 162, calls flagged for inlining = 36, calls inlined = 31, statements flattened = 531 [2023-11-19 05:10:56,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:56,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:10:56,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:10:56,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:10:56,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:56,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:10:57,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:10:57,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:10:57,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:10:57,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (1/1) ... [2023-11-19 05:10:57,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:57,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:57,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:10:57,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:10:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2023-11-19 05:10:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2023-11-19 05:10:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:10:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:10:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:10:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:10:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:10:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:10:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:10:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:10:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:10:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:10:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:10:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2023-11-19 05:10:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2023-11-19 05:10:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:10:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:10:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-19 05:10:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-19 05:10:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-11-19 05:10:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-11-19 05:10:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-11-19 05:10:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-11-19 05:10:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:10:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:10:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:10:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2023-11-19 05:10:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2023-11-19 05:10:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:10:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-19 05:10:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-19 05:10:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:10:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 05:10:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 05:10:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:10:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:10:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:10:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:10:57,396 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:10:57,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:10:58,084 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:10:58,371 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:10:58,371 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:10:58,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:58 BoogieIcfgContainer [2023-11-19 05:10:58,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:10:58,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:10:58,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:10:58,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:10:58,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:10:56" (1/3) ... [2023-11-19 05:10:58,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eae6f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:58, skipping insertion in model container [2023-11-19 05:10:58,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:56" (2/3) ... [2023-11-19 05:10:58,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eae6f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:58, skipping insertion in model container [2023-11-19 05:10:58,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:58" (3/3) ... [2023-11-19 05:10:58,401 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2023-11-19 05:10:58,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:10:58,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-19 05:10:58,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:10:58,519 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;@4f2e9f29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:10:58,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-19 05:10:58,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 90 states have (on average 1.4111111111111112) internal successors, (127), 103 states have internal predecessors, (127), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 05:10:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 05:10:58,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:58,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:58,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-19 05:10:58,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:58,545 INFO L85 PathProgramCache]: Analyzing trace with hash 409501553, now seen corresponding path program 1 times [2023-11-19 05:10:58,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:58,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202730028] [2023-11-19 05:10:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:58,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:59,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:59,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202730028] [2023-11-19 05:10:59,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202730028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:59,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:59,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:10:59,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388966262] [2023-11-19 05:10:59,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:59,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:59,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:59,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:59,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:59,229 INFO L87 Difference]: Start difference. First operand has 151 states, 90 states have (on average 1.4111111111111112) internal successors, (127), 103 states have internal predecessors, (127), 35 states have call successors, (35), 13 states have call predecessors, (35), 13 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:10:59,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:59,479 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2023-11-19 05:10:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:59,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-11-19 05:10:59,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:59,499 INFO L225 Difference]: With dead ends: 302 [2023-11-19 05:10:59,499 INFO L226 Difference]: Without dead ends: 151 [2023-11-19 05:10:59,506 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 [2023-11-19 05:10:59,511 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 72 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:59,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 233 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:10:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-19 05:10:59,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2023-11-19 05:10:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 104 states have internal predecessors, (128), 34 states have call successors, (34), 13 states have call predecessors, (34), 13 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 05:10:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 196 transitions. [2023-11-19 05:10:59,573 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 196 transitions. Word has length 18 [2023-11-19 05:10:59,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:59,574 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 196 transitions. [2023-11-19 05:10:59,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:10:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 196 transitions. [2023-11-19 05:10:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 05:10:59,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:59,579 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 05:10:59,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:10:59,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-19 05:10:59,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:59,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1651728459, now seen corresponding path program 1 times [2023-11-19 05:10:59,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:59,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645008364] [2023-11-19 05:10:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 05:10:59,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:59,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645008364] [2023-11-19 05:10:59,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645008364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:59,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:59,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:10:59,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432902948] [2023-11-19 05:10:59,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:59,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:59,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:59,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:59,929 INFO L87 Difference]: Start difference. First operand 151 states and 196 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:11:00,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:00,090 INFO L93 Difference]: Finished difference Result 326 states and 435 transitions. [2023-11-19 05:11:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:11:00,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2023-11-19 05:11:00,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:00,095 INFO L225 Difference]: With dead ends: 326 [2023-11-19 05:11:00,095 INFO L226 Difference]: Without dead ends: 179 [2023-11-19 05:11:00,097 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 [2023-11-19 05:11:00,098 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 25 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:00,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 294 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:11:00,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-19 05:11:00,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2023-11-19 05:11:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 115 states have (on average 1.3652173913043477) internal successors, (157), 125 states have internal predecessors, (157), 41 states have call successors, (41), 13 states have call predecessors, (41), 13 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-11-19 05:11:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 239 transitions. [2023-11-19 05:11:00,123 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 239 transitions. Word has length 52 [2023-11-19 05:11:00,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:00,124 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 239 transitions. [2023-11-19 05:11:00,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:11:00,124 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 239 transitions. [2023-11-19 05:11:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 05:11:00,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:00,127 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 05:11:00,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:11:00,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-19 05:11:00,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:00,128 INFO L85 PathProgramCache]: Analyzing trace with hash -236452364, now seen corresponding path program 1 times [2023-11-19 05:11:00,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:00,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623576114] [2023-11-19 05:11:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:00,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 05:11:00,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:00,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623576114] [2023-11-19 05:11:00,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623576114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:00,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:00,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:11:00,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635551514] [2023-11-19 05:11:00,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:00,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:11:00,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:00,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:11:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:11:00,255 INFO L87 Difference]: Start difference. First operand 179 states and 239 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:11:00,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:00,404 INFO L93 Difference]: Finished difference Result 356 states and 475 transitions. [2023-11-19 05:11:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:11:00,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-11-19 05:11:00,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:00,409 INFO L225 Difference]: With dead ends: 356 [2023-11-19 05:11:00,410 INFO L226 Difference]: Without dead ends: 177 [2023-11-19 05:11:00,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:11:00,419 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:00,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 469 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:11:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-19 05:11:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-11-19 05:11:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 124 states have internal predecessors, (155), 40 states have call successors, (40), 13 states have call predecessors, (40), 13 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-19 05:11:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 235 transitions. [2023-11-19 05:11:00,451 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 235 transitions. Word has length 54 [2023-11-19 05:11:00,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:00,451 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 235 transitions. [2023-11-19 05:11:00,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 05:11:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 235 transitions. [2023-11-19 05:11:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 05:11:00,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:00,455 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-19 05:11:00,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:11:00,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-19 05:11:00,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:00,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1029168114, now seen corresponding path program 1 times [2023-11-19 05:11:00,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:00,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041339095] [2023-11-19 05:11:00,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:00,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 05:11:00,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:00,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041339095] [2023-11-19 05:11:00,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041339095] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:11:00,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809035409] [2023-11-19 05:11:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:00,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:11:00,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:11:00,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:11:00,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:11:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:00,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:11:00,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:11:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 05:11:01,087 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:11:01,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809035409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:01,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:11:01,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-19 05:11:01,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133370219] [2023-11-19 05:11:01,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:01,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:11:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:01,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:11:01,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:11:01,109 INFO L87 Difference]: Start difference. First operand 177 states and 235 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:11:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:01,286 INFO L93 Difference]: Finished difference Result 349 states and 468 transitions. [2023-11-19 05:11:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:11:01,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 56 [2023-11-19 05:11:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:01,289 INFO L225 Difference]: With dead ends: 349 [2023-11-19 05:11:01,289 INFO L226 Difference]: Without dead ends: 176 [2023-11-19 05:11:01,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:11:01,291 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 53 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:01,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 424 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:11:01,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-19 05:11:01,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 175. [2023-11-19 05:11:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 115 states have (on average 1.3304347826086957) internal successors, (153), 122 states have internal predecessors, (153), 40 states have call successors, (40), 13 states have call predecessors, (40), 13 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-19 05:11:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 233 transitions. [2023-11-19 05:11:01,309 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 233 transitions. Word has length 56 [2023-11-19 05:11:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:01,310 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 233 transitions. [2023-11-19 05:11:01,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:11:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 233 transitions. [2023-11-19 05:11:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 05:11:01,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:01,313 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 05:11:01,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:11:01,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:11:01,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-19 05:11:01,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:01,525 INFO L85 PathProgramCache]: Analyzing trace with hash 891769991, now seen corresponding path program 1 times [2023-11-19 05:11:01,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:01,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108639232] [2023-11-19 05:11:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 05:11:01,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:01,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108639232] [2023-11-19 05:11:01,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108639232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:01,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:01,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:11:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732186740] [2023-11-19 05:11:01,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:01,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:11:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:01,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:11:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:11:01,796 INFO L87 Difference]: Start difference. First operand 175 states and 233 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 05:11:01,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:01,929 INFO L93 Difference]: Finished difference Result 346 states and 465 transitions. [2023-11-19 05:11:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:11:01,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 57 [2023-11-19 05:11:01,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:01,938 INFO L225 Difference]: With dead ends: 346 [2023-11-19 05:11:01,939 INFO L226 Difference]: Without dead ends: 344 [2023-11-19 05:11:01,939 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 [2023-11-19 05:11:01,943 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 148 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:01,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 314 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:11:01,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-19 05:11:01,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 339. [2023-11-19 05:11:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 227 states have (on average 1.3259911894273129) internal successors, (301), 235 states have internal predecessors, (301), 79 states have call successors, (79), 26 states have call predecessors, (79), 26 states have return successors, (83), 79 states have call predecessors, (83), 79 states have call successors, (83) [2023-11-19 05:11:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 463 transitions. [2023-11-19 05:11:01,985 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 463 transitions. Word has length 57 [2023-11-19 05:11:01,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:01,986 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 463 transitions. [2023-11-19 05:11:01,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 05:11:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 463 transitions. [2023-11-19 05:11:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 05:11:01,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:01,989 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] [2023-11-19 05:11:01,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:11:01,990 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-19 05:11:01,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:01,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1839440170, now seen corresponding path program 1 times [2023-11-19 05:11:01,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:01,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317342512] [2023-11-19 05:11:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:01,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 05:11:02,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:02,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317342512] [2023-11-19 05:11:02,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317342512] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:11:02,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875449317] [2023-11-19 05:11:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:02,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:11:02,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:11:02,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:11:02,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:11:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:02,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:11:02,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:11:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 05:11:02,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:11:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 05:11:02,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875449317] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:11:02,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [895824232] [2023-11-19 05:11:02,498 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2023-11-19 05:11:02,498 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:11:02,502 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:11:02,507 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:11:02,508 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 05:11:08,506 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_handler_precall with input of size 233 for LOIs [2023-11-19 05:11:08,619 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 288 for LOIs [2023-11-19 05:11:09,136 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 05:11:26,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [895824232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:26,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:11:26,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [3, 3, 3] total 21 [2023-11-19 05:11:26,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504724747] [2023-11-19 05:11:26,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:26,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 05:11:26,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:11:26,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 05:11:26,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:11:26,596 INFO L87 Difference]: Start difference. First operand 339 states and 463 transitions. Second operand has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-19 05:11:36,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:11:36,058 INFO L93 Difference]: Finished difference Result 766 states and 1034 transitions. [2023-11-19 05:11:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 05:11:36,059 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 57 [2023-11-19 05:11:36,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:11:36,064 INFO L225 Difference]: With dead ends: 766 [2023-11-19 05:11:36,064 INFO L226 Difference]: Without dead ends: 431 [2023-11-19 05:11:36,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2023-11-19 05:11:36,067 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 100 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:11:36,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 918 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-19 05:11:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-11-19 05:11:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 420. [2023-11-19 05:11:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 282 states have (on average 1.3120567375886525) internal successors, (370), 292 states have internal predecessors, (370), 94 states have call successors, (94), 37 states have call predecessors, (94), 37 states have return successors, (99), 92 states have call predecessors, (99), 94 states have call successors, (99) [2023-11-19 05:11:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 563 transitions. [2023-11-19 05:11:36,182 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 563 transitions. Word has length 57 [2023-11-19 05:11:36,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:11:36,185 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 563 transitions. [2023-11-19 05:11:36,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 13 states have internal predecessors, (29), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-19 05:11:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 563 transitions. [2023-11-19 05:11:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 05:11:36,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:36,189 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] [2023-11-19 05:11:36,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:11:36,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 05:11:36,411 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-19 05:11:36,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:36,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1110449345, now seen corresponding path program 1 times [2023-11-19 05:11:36,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:36,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345172863] [2023-11-19 05:11:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:36,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 05:11:36,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:36,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345172863] [2023-11-19 05:11:36,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345172863] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:11:36,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774773414] [2023-11-19 05:11:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:36,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:11:36,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:11:36,603 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:11:36,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa67b046-7076-4ef1-acf6-4c9c11ff623a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 05:11:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:36,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:11:36,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:11:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 05:11:36,858 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:11:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 05:11:36,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774773414] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:11:36,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [437841870] [2023-11-19 05:11:36,916 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-11-19 05:11:36,916 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:11:36,916 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:11:36,917 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:11:36,917 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs