./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 98c33dd4a8b9d397de123c51515d9ce94b0ce1f1fda3976c2bf2bd86eef00096 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:15:35,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:15:35,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:15:35,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:15:35,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:15:35,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:15:35,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:15:35,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:15:35,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:15:35,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:15:35,842 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:15:35,842 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:15:35,842 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:15:35,844 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:15:35,844 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:15:35,845 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:15:35,845 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:15:35,845 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:15:35,845 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:15:35,846 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:15:35,850 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:15:35,851 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:15:35,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:15:35,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:15:35,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:15:35,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:15:35,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:15:35,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:15:35,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:15:35,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:15:35,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:15:35,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:15:35,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:15:35,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:15:35,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:15:35,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:15:35,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:15:35,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:15:35,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:15:35,858 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:15:35,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:15:35,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:15:35,859 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:15:35,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:15:35,859 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_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c33dd4a8b9d397de123c51515d9ce94b0ce1f1fda3976c2bf2bd86eef00096 [2024-11-09 07:15:36,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:15:36,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:15:36,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:15:36,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:15:36,176 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:15:36,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i Unable to find full path for "g++" [2024-11-09 07:15:38,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:15:38,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:15:38,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2024-11-09 07:15:38,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/data/afddecaef/784c4ce969e54251b037d74b90168616/FLAG464c6f6eb [2024-11-09 07:15:38,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/data/afddecaef/784c4ce969e54251b037d74b90168616 [2024-11-09 07:15:38,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:15:38,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:15:38,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:15:38,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:15:38,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:15:38,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:15:38" (1/1) ... [2024-11-09 07:15:38,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fdab139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:38, skipping insertion in model container [2024-11-09 07:15:38,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:15:38" (1/1) ... [2024-11-09 07:15:38,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:15:40,672 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i[231089,231102] [2024-11-09 07:15:40,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:15:40,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:15:41,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i[231089,231102] [2024-11-09 07:15:41,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:15:41,711 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:15:41,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41 WrapperNode [2024-11-09 07:15:41,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:15:41,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:15:41,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:15:41,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:15:41,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:41,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,078 INFO L138 Inliner]: procedures = 208, calls = 3062, calls flagged for inlining = 90, calls inlined = 82, statements flattened = 9130 [2024-11-09 07:15:42,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:15:42,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:15:42,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:15:42,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:15:42,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:15:42,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:15:42,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:15:42,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:15:42,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (1/1) ... [2024-11-09 07:15:42,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:15:42,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:15:42,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:15:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4df6fae-14c3-49b7-86ff-9ba6e25786b5/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:15:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_read_value [2024-11-09 07:15:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_read_value [2024-11-09 07:15:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2024-11-09 07:15:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2024-11-09 07:15:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:15:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_detect [2024-11-09 07:15:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_detect [2024-11-09 07:15:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2024-11-09 07:15:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2024-11-09 07:15:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2024-11-09 07:15:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2024-11-09 07:15:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 07:15:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 07:15:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2024-11-09 07:15:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2024-11-09 07:15:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2024-11-09 07:15:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2024-11-09 07:15:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2024-11-09 07:15:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2024-11-09 07:15:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2024-11-09 07:15:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2024-11-09 07:15:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 07:15:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 07:15:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 07:15:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 07:15:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-09 07:15:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-09 07:15:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure show_sensor [2024-11-09 07:15:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sensor [2024-11-09 07:15:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 07:15:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 07:15:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2024-11-09 07:15:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2024-11-09 07:15:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:15:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2024-11-09 07:15:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2024-11-09 07:15:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2024-11-09 07:15:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2024-11-09 07:15:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2024-11-09 07:15:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2024-11-09 07:15:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-09 07:15:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-09 07:15:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_isa_unregister [2024-11-09 07:15:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_isa_unregister [2024-11-09 07:15:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2024-11-09 07:15:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2024-11-09 07:15:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:15:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2024-11-09 07:15:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2024-11-09 07:15:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-11-09 07:15:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-11-09 07:15:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:15:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:15:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2024-11-09 07:15:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2024-11-09 07:15:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 07:15:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 07:15:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-09 07:15:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-09 07:15:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2024-11-09 07:15:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2024-11-09 07:15:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2024-11-09 07:15:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2024-11-09 07:15:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-09 07:15:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-09 07:15:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure store_sensor [2024-11-09 07:15:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sensor [2024-11-09 07:15:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_update_device [2024-11-09 07:15:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_update_device [2024-11-09 07:15:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_remove_files [2024-11-09 07:15:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_remove_files [2024-11-09 07:15:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2024-11-09 07:15:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2024-11-09 07:15:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 07:15:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 07:15:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2024-11-09 07:15:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2024-11-09 07:15:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2024-11-09 07:15:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2024-11-09 07:15:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:15:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2024-11-09 07:15:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2024-11-09 07:15:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83781d_data [2024-11-09 07:15:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83781d_data [2024-11-09 07:15:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:15:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-11-09 07:15:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-11-09 07:15:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-09 07:15:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-09 07:15:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2024-11-09 07:15:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2024-11-09 07:15:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2024-11-09 07:15:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2024-11-09 07:15:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2024-11-09 07:15:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2024-11-09 07:15:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:15:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2024-11-09 07:15:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2024-11-09 07:15:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 07:15:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 07:15:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2024-11-09 07:15:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2024-11-09 07:15:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 07:15:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 07:15:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83781d_data [2024-11-09 07:15:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83781d_data [2024-11-09 07:15:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2024-11-09 07:15:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2024-11-09 07:15:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_write_value [2024-11-09 07:15:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_write_value [2024-11-09 07:15:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:15:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2024-11-09 07:15:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2024-11-09 07:15:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:15:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2024-11-09 07:15:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2024-11-09 07:15:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:15:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2024-11-09 07:15:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2024-11-09 07:15:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2024-11-09 07:15:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2024-11-09 07:15:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2024-11-09 07:15:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2024-11-09 07:15:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2024-11-09 07:15:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2024-11-09 07:15:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 07:15:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 07:15:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:15:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2024-11-09 07:15:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2024-11-09 07:15:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:15:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:15:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 07:15:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 07:15:43,801 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:15:43,804 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:16:25,099 INFO L? ?]: Removed 1998 outVars from TransFormulas that were not future-live. [2024-11-09 07:16:25,099 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:16:30,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:16:30,900 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-09 07:16:30,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:30 BoogieIcfgContainer [2024-11-09 07:16:30,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:16:30,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:16:30,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:16:30,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:16:30,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:15:38" (1/3) ... [2024-11-09 07:16:30,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf0fd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:30, skipping insertion in model container [2024-11-09 07:16:30,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:41" (2/3) ... [2024-11-09 07:16:30,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf0fd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:30, skipping insertion in model container [2024-11-09 07:16:30,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:30" (3/3) ... [2024-11-09 07:16:30,909 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2024-11-09 07:16:30,927 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:16:30,928 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:16:31,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:16:31,067 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@ef373b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:16:31,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:16:31,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 1653 states, 1151 states have (on average 1.5577758470894874) internal successors, (1793), 1163 states have internal predecessors, (1793), 440 states have call successors, (440), 60 states have call predecessors, (440), 60 states have return successors, (440), 440 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-09 07:16:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 07:16:31,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:16:31,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:16:31,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:16:31,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:16:31,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1958700981, now seen corresponding path program 1 times [2024-11-09 07:16:31,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:16:31,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487953781] [2024-11-09 07:16:31,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:16:31,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:20:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:20:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:20:58,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:20:58,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487953781] [2024-11-09 07:20:58,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487953781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:20:58,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:20:58,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:20:58,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995624398] [2024-11-09 07:20:58,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:20:58,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:20:58,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:20:58,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:20:58,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:20:58,873 INFO L87 Difference]: Start difference. First operand has 1653 states, 1151 states have (on average 1.5577758470894874) internal successors, (1793), 1163 states have internal predecessors, (1793), 440 states have call successors, (440), 60 states have call predecessors, (440), 60 states have return successors, (440), 440 states have call predecessors, (440), 440 states have call successors, (440) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:21:01,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:02,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:21:02,957 INFO L93 Difference]: Finished difference Result 4950 states and 8551 transitions. [2024-11-09 07:21:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:21:02,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2024-11-09 07:21:02,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:21:03,005 INFO L225 Difference]: With dead ends: 4950 [2024-11-09 07:21:03,005 INFO L226 Difference]: Without dead ends: 3294 [2024-11-09 07:21:03,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:21:03,042 INFO L432 NwaCegarLoop]: 2420 mSDtfsCounter, 2645 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:21:03,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2645 Valid, 4836 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 487 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 07:21:03,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2024-11-09 07:21:03,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3268. [2024-11-09 07:21:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3268 states, 2282 states have (on average 1.5565293602103418) internal successors, (3552), 2293 states have internal predecessors, (3552), 868 states have call successors, (868), 118 states have call predecessors, (868), 117 states have return successors, (859), 859 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-09 07:21:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 3268 states and 5279 transitions. [2024-11-09 07:21:03,351 INFO L78 Accepts]: Start accepts. Automaton has 3268 states and 5279 transitions. Word has length 29 [2024-11-09 07:21:03,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:21:03,352 INFO L471 AbstractCegarLoop]: Abstraction has 3268 states and 5279 transitions. [2024-11-09 07:21:03,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:21:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3268 states and 5279 transitions. [2024-11-09 07:21:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 07:21:03,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:21:03,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:21:03,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:21:03,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:21:03,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:21:03,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1088776378, now seen corresponding path program 1 times [2024-11-09 07:21:03,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:21:03,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661461018] [2024-11-09 07:21:03,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:03,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:25:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:25:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:25:47,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:25:47,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661461018] [2024-11-09 07:25:47,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661461018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:25:47,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:25:47,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:25:47,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14632666] [2024-11-09 07:25:47,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:25:47,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:25:47,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:25:47,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:25:47,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:25:47,694 INFO L87 Difference]: Start difference. First operand 3268 states and 5279 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:25:50,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:25:53,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:25:55,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:25:55,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:25:55,496 INFO L93 Difference]: Finished difference Result 9785 states and 15805 transitions. [2024-11-09 07:25:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:25:55,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2024-11-09 07:25:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:25:55,544 INFO L225 Difference]: With dead ends: 9785 [2024-11-09 07:25:55,544 INFO L226 Difference]: Without dead ends: 6518 [2024-11-09 07:25:55,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:25:55,570 INFO L432 NwaCegarLoop]: 2552 mSDtfsCounter, 2638 mSDsluCounter, 2412 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2638 SdHoareTripleChecker+Valid, 4964 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-09 07:25:55,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2638 Valid, 4964 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 499 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2024-11-09 07:25:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6518 states. [2024-11-09 07:25:56,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6518 to 6492. [2024-11-09 07:25:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6492 states, 4537 states have (on average 1.556094335463963) internal successors, (7060), 4550 states have internal predecessors, (7060), 1721 states have call successors, (1721), 234 states have call predecessors, (1721), 233 states have return successors, (1712), 1712 states have call predecessors, (1712), 1712 states have call successors, (1712) [2024-11-09 07:25:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6492 states to 6492 states and 10493 transitions. [2024-11-09 07:25:56,145 INFO L78 Accepts]: Start accepts. Automaton has 6492 states and 10493 transitions. Word has length 28 [2024-11-09 07:25:56,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:25:56,146 INFO L471 AbstractCegarLoop]: Abstraction has 6492 states and 10493 transitions. [2024-11-09 07:25:56,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:25:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6492 states and 10493 transitions. [2024-11-09 07:25:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 07:25:56,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:25:56,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:25:56,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:25:56,153 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:25:56,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:25:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1351255104, now seen corresponding path program 1 times [2024-11-09 07:25:56,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:25:56,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761694965] [2024-11-09 07:25:56,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:25:56,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:30:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:30:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:30:10,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:30:10,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761694965] [2024-11-09 07:30:10,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761694965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:30:10,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:30:10,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:30:10,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522212289] [2024-11-09 07:30:10,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:30:10,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:30:10,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:30:10,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:30:10,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:30:10,683 INFO L87 Difference]: Start difference. First operand 6492 states and 10493 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:30:13,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:30:14,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:30:14,658 INFO L93 Difference]: Finished difference Result 19441 states and 31419 transitions. [2024-11-09 07:30:14,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:30:14,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2024-11-09 07:30:14,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:30:14,773 INFO L225 Difference]: With dead ends: 19441 [2024-11-09 07:30:14,773 INFO L226 Difference]: Without dead ends: 12950 [2024-11-09 07:30:14,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:30:14,827 INFO L432 NwaCegarLoop]: 2566 mSDtfsCounter, 2635 mSDsluCounter, 2412 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2635 SdHoareTripleChecker+Valid, 4978 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:30:14,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2635 Valid, 4978 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 501 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 07:30:14,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12950 states. [2024-11-09 07:30:15,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12950 to 12924. [2024-11-09 07:30:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12924 states, 9035 states have (on average 1.5555063641394578) internal successors, (14054), 9052 states have internal predecessors, (14054), 3423 states have call successors, (3423), 466 states have call predecessors, (3423), 465 states have return successors, (3414), 3414 states have call predecessors, (3414), 3414 states have call successors, (3414) [2024-11-09 07:30:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12924 states to 12924 states and 20891 transitions. [2024-11-09 07:30:15,776 INFO L78 Accepts]: Start accepts. Automaton has 12924 states and 20891 transitions. Word has length 31 [2024-11-09 07:30:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:30:15,776 INFO L471 AbstractCegarLoop]: Abstraction has 12924 states and 20891 transitions. [2024-11-09 07:30:15,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 07:30:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 12924 states and 20891 transitions. [2024-11-09 07:30:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 07:30:15,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:30:15,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:30:15,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:30:15,779 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:30:15,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:30:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash -96828287, now seen corresponding path program 1 times [2024-11-09 07:30:15,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:30:15,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749076494] [2024-11-09 07:30:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:30:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms