./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--amc6821.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:33,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:33,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:33,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:33,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:33,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:33,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:33,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:33,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:33,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:33,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:33,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:33,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:33,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:33,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:33,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:33,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:33,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:33,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:33,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:33,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:33,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:33,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:33,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:33,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:33,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:33,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:33,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:33,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:33,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:33,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:33,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:33,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:33,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:33,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:33,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:33,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:33,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:33,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:33,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:33,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:33,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:02:33,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:33,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:33,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:33,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:33,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:33,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:33,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:33,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:33,243 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:33,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:33,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:02:33,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:33,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:33,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:33,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:33,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:33,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:33,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:33,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:33,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:33,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:33,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:33,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:33,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:33,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:33,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:02:33,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:02:33,247 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:33,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:33,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:33,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:33,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df [2021-12-15 13:02:33,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:33,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:33,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:33,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:33,471 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:33,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-12-15 13:02:33,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12126422/fc825efbfd8f4f38ae305fb51521269d/FLAG098a64107 [2021-12-15 13:02:34,104 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:34,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-12-15 13:02:34,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12126422/fc825efbfd8f4f38ae305fb51521269d/FLAG098a64107 [2021-12-15 13:02:34,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e12126422/fc825efbfd8f4f38ae305fb51521269d [2021-12-15 13:02:34,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:34,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:34,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:34,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:34,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:34,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:34" (1/1) ... [2021-12-15 13:02:34,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760b9805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:34, skipping insertion in model container [2021-12-15 13:02:34,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:34" (1/1) ... [2021-12-15 13:02:34,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:34,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:35,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2021-12-15 13:02:35,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:35,424 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:35,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2021-12-15 13:02:35,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:35,662 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:35,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35 WrapperNode [2021-12-15 13:02:35,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:35,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:35,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:35,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:35,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,838 INFO L137 Inliner]: procedures = 138, calls = 1364, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 3523 [2021-12-15 13:02:35,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:35,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:35,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:35,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:35,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:35,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:35,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:35,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:35,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (1/1) ... [2021-12-15 13:02:35,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:36,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:36,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:02:36,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:02:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2021-12-15 13:02:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2021-12-15 13:02:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:02:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2021-12-15 13:02:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2021-12-15 13:02:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-15 13:02:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-15 13:02:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-15 13:02:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-15 13:02:36,058 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2021-12-15 13:02:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2021-12-15 13:02:36,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:36,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:02:36,058 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:36,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2021-12-15 13:02:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2021-12-15 13:02:36,059 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:36,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2021-12-15 13:02:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2021-12-15 13:02:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2021-12-15 13:02:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2021-12-15 13:02:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2021-12-15 13:02:36,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2021-12-15 13:02:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:36,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2021-12-15 13:02:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2021-12-15 13:02:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2021-12-15 13:02:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2021-12-15 13:02:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2021-12-15 13:02:36,061 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2021-12-15 13:02:36,061 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2021-12-15 13:02:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2021-12-15 13:02:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2021-12-15 13:02:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2021-12-15 13:02:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2021-12-15 13:02:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2021-12-15 13:02:36,062 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2021-12-15 13:02:36,062 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2021-12-15 13:02:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:02:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2021-12-15 13:02:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2021-12-15 13:02:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2021-12-15 13:02:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2021-12-15 13:02:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2021-12-15 13:02:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2021-12-15 13:02:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:02:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:02:36,516 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:36,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:38,058 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:38,067 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:38,067 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:02:38,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:38 BoogieIcfgContainer [2021-12-15 13:02:38,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:38,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:38,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:38,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:38,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:34" (1/3) ... [2021-12-15 13:02:38,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de88ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:38, skipping insertion in model container [2021-12-15 13:02:38,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:35" (2/3) ... [2021-12-15 13:02:38,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de88ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:38, skipping insertion in model container [2021-12-15 13:02:38,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:38" (3/3) ... [2021-12-15 13:02:38,076 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-12-15 13:02:38,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:38,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:38,124 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:38,132 INFO L339 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:02:38,132 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 816 states, 619 states have (on average 1.505654281098546) internal successors, (932), 626 states have internal predecessors, (932), 170 states have call successors, (170), 25 states have call predecessors, (170), 25 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2021-12-15 13:02:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-15 13:02:38,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:38,177 INFO L514 BasicCegarLoop]: 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] [2021-12-15 13:02:38,178 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:38,182 INFO L85 PathProgramCache]: Analyzing trace with hash 562547104, now seen corresponding path program 1 times [2021-12-15 13:02:38,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:02:38,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901107976] [2021-12-15 13:02:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:38,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:02:38,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:02:38,261 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:02:38,269 INFO L158 Benchmark]: Toolchain (without parser) took 3720.76ms. Allocated memory was 96.5MB in the beginning and 253.8MB in the end (delta: 157.3MB). Free memory was 57.9MB in the beginning and 140.3MB in the end (delta: -82.4MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2021-12-15 13:02:38,270 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:38,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1100.77ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 57.8MB in the beginning and 56.2MB in the end (delta: 1.6MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-12-15 13:02:38,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.48ms. Allocated memory is still 132.1MB. Free memory was 56.2MB in the beginning and 75.0MB in the end (delta: -18.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-12-15 13:02:38,272 INFO L158 Benchmark]: Boogie Preprocessor took 147.65ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 56.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:38,276 INFO L158 Benchmark]: RCFGBuilder took 2080.19ms. Allocated memory was 132.1MB in the beginning and 253.8MB in the end (delta: 121.6MB). Free memory was 56.8MB in the beginning and 160.3MB in the end (delta: -103.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2021-12-15 13:02:38,277 INFO L158 Benchmark]: TraceAbstraction took 197.17ms. Allocated memory is still 253.8MB. Free memory was 159.2MB in the beginning and 140.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:38,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1100.77ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 57.8MB in the beginning and 56.2MB in the end (delta: 1.6MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 174.48ms. Allocated memory is still 132.1MB. Free memory was 56.2MB in the beginning and 75.0MB in the end (delta: -18.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.65ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 56.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2080.19ms. Allocated memory was 132.1MB in the beginning and 253.8MB in the end (delta: 121.6MB). Free memory was 56.8MB in the beginning and 160.3MB in the end (delta: -103.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * TraceAbstraction took 197.17ms. Allocated memory is still 253.8MB. Free memory was 159.2MB in the beginning and 140.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:02:38,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:40,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:40,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:40,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:40,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:40,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:40,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:40,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:40,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:40,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:40,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:40,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:40,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:40,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:40,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:40,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:40,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:40,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:40,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:40,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:40,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:40,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:40,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:40,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:40,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:40,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:40,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:40,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:40,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:40,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:40,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:40,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:40,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:40,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:40,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:40,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:40,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:40,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:40,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:40,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:40,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:40,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:02:40,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:40,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:40,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:40,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:40,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:40,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:40,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:40,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:40,200 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:40,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:40,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:40,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:40,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:40,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:40,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:02:40,201 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:02:40,201 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:02:40,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:40,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:40,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:40,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:40,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:40,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:40,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:40,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:40,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:40,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:40,203 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:02:40,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:02:40,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:40,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:40,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:40,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:40,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:02:40,204 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ab5f9a609d808b1cc730f70e246b6cee2b77e8055db2b71a14eb45eb69a8df [2021-12-15 13:02:40,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:40,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:40,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:40,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:40,502 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:40,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-12-15 13:02:40,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b7a7ed1/14f7a09dab914f849d7b38da8a0f061a/FLAGaf1560f0e [2021-12-15 13:02:41,111 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:41,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-12-15 13:02:41,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b7a7ed1/14f7a09dab914f849d7b38da8a0f061a/FLAGaf1560f0e [2021-12-15 13:02:41,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b7a7ed1/14f7a09dab914f849d7b38da8a0f061a [2021-12-15 13:02:41,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:41,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:41,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:41,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:41,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:41,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:41" (1/1) ... [2021-12-15 13:02:41,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c43405c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:41, skipping insertion in model container [2021-12-15 13:02:41,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:41" (1/1) ... [2021-12-15 13:02:41,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:41,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:42,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2021-12-15 13:02:42,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:42,200 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:02:42,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:42,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2021-12-15 13:02:42,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:42,456 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:42,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i[139464,139477] [2021-12-15 13:02:42,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:42,714 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:42,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42 WrapperNode [2021-12-15 13:02:42,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:42,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:42,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:42,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:42,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:42,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:42,866 INFO L137 Inliner]: procedures = 147, calls = 1364, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 3361 [2021-12-15 13:02:42,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:42,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:42,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:42,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:42,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:42,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:42,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:42,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:42,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:42,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:43,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:43,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:43,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:43,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:43,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:43,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (1/1) ... [2021-12-15 13:02:43,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:43,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:43,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:02:43,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:02:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2021-12-15 13:02:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2021-12-15 13:02:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:02:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:02:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:02:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:02:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2021-12-15 13:02:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2021-12-15 13:02:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-15 13:02:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-15 13:02:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-15 13:02:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-15 13:02:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2021-12-15 13:02:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2021-12-15 13:02:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2021-12-15 13:02:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2021-12-15 13:02:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2021-12-15 13:02:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2021-12-15 13:02:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2021-12-15 13:02:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2021-12-15 13:02:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2021-12-15 13:02:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2021-12-15 13:02:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2021-12-15 13:02:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2021-12-15 13:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2021-12-15 13:02:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2021-12-15 13:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2021-12-15 13:02:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2021-12-15 13:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2021-12-15 13:02:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2021-12-15 13:02:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:02:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:02:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:02:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:02:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2021-12-15 13:02:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2021-12-15 13:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2021-12-15 13:02:43,101 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2021-12-15 13:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:02:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2021-12-15 13:02:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2021-12-15 13:02:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2021-12-15 13:02:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2021-12-15 13:02:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2021-12-15 13:02:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2021-12-15 13:02:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:43,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2021-12-15 13:02:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2021-12-15 13:02:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:02:43,103 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:02:43,632 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:43,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:48,139 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:48,150 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:48,150 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:02:48,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:48 BoogieIcfgContainer [2021-12-15 13:02:48,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:48,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:48,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:48,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:48,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:41" (1/3) ... [2021-12-15 13:02:48,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504dd5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:48, skipping insertion in model container [2021-12-15 13:02:48,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:42" (2/3) ... [2021-12-15 13:02:48,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504dd5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:48, skipping insertion in model container [2021-12-15 13:02:48,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:48" (3/3) ... [2021-12-15 13:02:48,158 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2021-12-15 13:02:48,162 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:48,162 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:48,215 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:48,222 INFO L339 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:02:48,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 816 states, 619 states have (on average 1.505654281098546) internal successors, (932), 626 states have internal predecessors, (932), 170 states have call successors, (170), 25 states have call predecessors, (170), 25 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2021-12-15 13:02:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-15 13:02:48,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:48,267 INFO L514 BasicCegarLoop]: 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] [2021-12-15 13:02:48,268 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:48,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:48,272 INFO L85 PathProgramCache]: Analyzing trace with hash 562547104, now seen corresponding path program 1 times [2021-12-15 13:02:48,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:02:48,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11576249] [2021-12-15 13:02:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:48,284 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:02:48,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:02:48,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:02:48,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:02:48,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 13:02:48,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:02:48,771 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:02:48,773 INFO L158 Benchmark]: Toolchain (without parser) took 7439.58ms. Allocated memory was 67.1MB in the beginning and 209.7MB in the end (delta: 142.6MB). Free memory was 40.0MB in the beginning and 144.7MB in the end (delta: -104.7MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:48,774 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:48,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.48ms. Allocated memory was 67.1MB in the beginning and 121.6MB in the end (delta: 54.5MB). Free memory was 39.9MB in the beginning and 73.5MB in the end (delta: -33.6MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2021-12-15 13:02:48,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.88ms. Allocated memory is still 121.6MB. Free memory was 73.5MB in the beginning and 55.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:48,778 INFO L158 Benchmark]: Boogie Preprocessor took 171.10ms. Allocated memory is still 121.6MB. Free memory was 55.3MB in the beginning and 63.5MB in the end (delta: -8.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-12-15 13:02:48,778 INFO L158 Benchmark]: RCFGBuilder took 5113.11ms. Allocated memory was 121.6MB in the beginning and 209.7MB in the end (delta: 88.1MB). Free memory was 63.5MB in the beginning and 87.7MB in the end (delta: -24.2MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:48,779 INFO L158 Benchmark]: TraceAbstraction took 618.29ms. Allocated memory is still 209.7MB. Free memory was 87.7MB in the beginning and 144.7MB in the end (delta: -57.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:48,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.48ms. Allocated memory was 67.1MB in the beginning and 121.6MB in the end (delta: 54.5MB). Free memory was 39.9MB in the beginning and 73.5MB in the end (delta: -33.6MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.88ms. Allocated memory is still 121.6MB. Free memory was 73.5MB in the beginning and 55.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 171.10ms. Allocated memory is still 121.6MB. Free memory was 55.3MB in the beginning and 63.5MB in the end (delta: -8.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5113.11ms. Allocated memory was 121.6MB in the beginning and 209.7MB in the end (delta: 88.1MB). Free memory was 63.5MB in the beginning and 87.7MB in the end (delta: -24.2MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * TraceAbstraction took 618.29ms. Allocated memory is still 209.7MB. Free memory was 87.7MB in the beginning and 144.7MB in the end (delta: -57.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:02:48,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable