./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.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 e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:55:34,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:55:34,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:55:34,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:55:34,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:55:34,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:55:34,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:55:34,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:55:34,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:55:34,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:55:34,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:55:34,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:55:34,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:55:34,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:55:34,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:55:34,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:55:34,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:55:34,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:55:34,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:55:34,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:55:34,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:55:34,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:55:34,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:55:34,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:55:34,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:55:34,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:55:34,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:55:34,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:55:34,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:55:34,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:55:34,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:55:34,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:55:34,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:55:34,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:55:34,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:55:34,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:55:34,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:55:34,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:55:34,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:55:34,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:55:34,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:55:34,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:55:34,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:55:34,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:55:34,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:55:34,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:55:34,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:55:34,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:55:34,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:55:34,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:55:34,335 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:55:34,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:55:34,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:55:34,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:55:34,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:55:34,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:55:34,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:55:34,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:55:34,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:55:34,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:55:34,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:55:34,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:55:34,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:55:34,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:34,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:55:34,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:55:34,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:55:34,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:55:34,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:55:34,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:55:34,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:55:34,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:55:34,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:55:34,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 [2021-12-15 12:55:34,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:55:34,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:55:34,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:55:34,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:55:34,613 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:55:34,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2021-12-15 12:55:34,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c29c88dd/2180425ede9c4ba781cc0a0f23cfc49b/FLAG8d58333d9 [2021-12-15 12:55:35,165 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:55:35,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2021-12-15 12:55:35,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c29c88dd/2180425ede9c4ba781cc0a0f23cfc49b/FLAG8d58333d9 [2021-12-15 12:55:35,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c29c88dd/2180425ede9c4ba781cc0a0f23cfc49b [2021-12-15 12:55:35,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:55:35,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:55:35,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:35,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:55:35,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:55:35,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:35" (1/1) ... [2021-12-15 12:55:35,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310b6606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:35, skipping insertion in model container [2021-12-15 12:55:35,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:35" (1/1) ... [2021-12-15 12:55:35,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:55:35,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:55:36,206 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2021-12-15 12:55:36,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:36,241 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:55:36,369 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2021-12-15 12:55:36,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:36,397 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:55:36,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36 WrapperNode [2021-12-15 12:55:36,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:36,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:36,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:55:36,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:55:36,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,499 INFO L137 Inliner]: procedures = 102, calls = 421, calls flagged for inlining = 48, calls inlined = 43, statements flattened = 1101 [2021-12-15 12:55:36,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:36,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:55:36,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:55:36,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:55:36,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:55:36,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:55:36,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:55:36,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:55:36,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (1/1) ... [2021-12-15 12:55:36,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:36,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:55:36,628 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 12:55:36,635 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 12:55:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:55:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:55:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:55:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:55:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:55:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:55:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:55:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:55:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:55:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:55:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:55:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2021-12-15 12:55:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2021-12-15 12:55:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:55:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:55:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2021-12-15 12:55:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2021-12-15 12:55:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:55:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-15 12:55:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-15 12:55:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:55:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 12:55:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2021-12-15 12:55:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2021-12-15 12:55:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:55:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 12:55:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 12:55:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2021-12-15 12:55:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2021-12-15 12:55:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 12:55:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 12:55:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:55:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:55:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2021-12-15 12:55:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2021-12-15 12:55:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2021-12-15 12:55:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2021-12-15 12:55:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:55:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:55:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:55:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:55:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:55:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:55:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:55:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-12-15 12:55:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-12-15 12:55:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:55:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 12:55:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 12:55:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:55:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:55:36,917 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:55:36,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:55:37,652 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:55:37,664 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:55:37,665 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:55:37,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:37 BoogieIcfgContainer [2021-12-15 12:55:37,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:55:37,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:55:37,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:55:37,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:55:37,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:55:35" (1/3) ... [2021-12-15 12:55:37,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bfd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:55:37, skipping insertion in model container [2021-12-15 12:55:37,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:36" (2/3) ... [2021-12-15 12:55:37,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bfd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:55:37, skipping insertion in model container [2021-12-15 12:55:37,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:37" (3/3) ... [2021-12-15 12:55:37,674 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2021-12-15 12:55:37,677 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:55:37,677 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:55:37,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:55:37,717 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 12:55:37,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:55:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 275 states, 209 states have (on average 1.2966507177033493) internal successors, (271), 214 states have internal predecessors, (271), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-12-15 12:55:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-15 12:55:37,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:55:37,744 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:37,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:55:37,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:55:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1527877958, now seen corresponding path program 1 times [2021-12-15 12:55:37,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:55:37,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702102095] [2021-12-15 12:55:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:55:37,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:55:37,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:55:37,812 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 12:55:37,816 INFO L158 Benchmark]: Toolchain (without parser) took 2124.31ms. Allocated memory was 94.4MB in the beginning and 184.5MB in the end (delta: 90.2MB). Free memory was 54.0MB in the beginning and 139.3MB in the end (delta: -85.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-12-15 12:55:37,817 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:55:37,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.89ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 53.8MB in the beginning and 78.5MB in the end (delta: -24.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-15 12:55:37,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.39ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 70.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:55:37,819 INFO L158 Benchmark]: Boogie Preprocessor took 95.39ms. Allocated memory is still 115.3MB. Free memory was 70.7MB in the beginning and 64.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:55:37,820 INFO L158 Benchmark]: RCFGBuilder took 1070.81ms. Allocated memory is still 115.3MB. Free memory was 64.4MB in the beginning and 51.7MB in the end (delta: 12.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-12-15 12:55:37,822 INFO L158 Benchmark]: TraceAbstraction took 145.69ms. Allocated memory was 115.3MB in the beginning and 184.5MB in the end (delta: 69.2MB). Free memory was 51.2MB in the beginning and 139.3MB in the end (delta: -88.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:55:37,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.89ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 53.8MB in the beginning and 78.5MB in the end (delta: -24.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.39ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 70.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.39ms. Allocated memory is still 115.3MB. Free memory was 70.7MB in the beginning and 64.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1070.81ms. Allocated memory is still 115.3MB. Free memory was 64.4MB in the beginning and 51.7MB in the end (delta: 12.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 145.69ms. Allocated memory was 115.3MB in the beginning and 184.5MB in the end (delta: 69.2MB). Free memory was 51.2MB in the beginning and 139.3MB in the end (delta: -88.2MB). Peak memory consumption was 10.5MB. 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 12:55:37,854 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.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 e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:55:39,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:55:39,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:55:39,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:55:39,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:55:39,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:55:39,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:55:39,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:55:39,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:55:39,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:55:39,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:55:39,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:55:39,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:55:39,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:55:39,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:55:39,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:55:39,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:55:39,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:55:39,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:55:39,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:55:39,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:55:39,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:55:39,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:55:39,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:55:39,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:55:39,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:55:39,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:55:39,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:55:39,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:55:39,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:55:39,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:55:39,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:55:39,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:55:39,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:55:39,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:55:39,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:55:39,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:55:39,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:55:39,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:55:39,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:55:39,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:55:39,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:55:39,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:55:39,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:55:39,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:55:39,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:55:39,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:55:39,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:55:39,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:55:39,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:55:39,669 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:55:39,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:55:39,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:55:39,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:55:39,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:55:39,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:55:39,670 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:55:39,670 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:55:39,670 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:55:39,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:55:39,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:55:39,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:55:39,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:55:39,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:55:39,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:55:39,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:39,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:55:39,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:55:39,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:55:39,679 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:55:39,679 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:55:39,679 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:55:39,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:55:39,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:55:39,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:55:39,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:55:39,680 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 [2021-12-15 12:55:39,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:55:39,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:55:39,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:55:39,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:55:39,929 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:55:39,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2021-12-15 12:55:39,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd56c17c/8c05200e1229400facbab09545dec304/FLAG5449db54a [2021-12-15 12:55:40,471 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:55:40,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2021-12-15 12:55:40,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd56c17c/8c05200e1229400facbab09545dec304/FLAG5449db54a [2021-12-15 12:55:40,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd56c17c/8c05200e1229400facbab09545dec304 [2021-12-15 12:55:40,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:55:40,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:55:40,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:40,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:55:40,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:55:40,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:40" (1/1) ... [2021-12-15 12:55:40,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf9ea76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:40, skipping insertion in model container [2021-12-15 12:55:40,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:40" (1/1) ... [2021-12-15 12:55:40,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:55:40,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:55:40,992 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2021-12-15 12:55:41,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:41,038 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:55:41,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:55:41,162 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2021-12-15 12:55:41,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:41,185 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:55:41,263 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2021-12-15 12:55:41,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:41,294 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:55:41,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41 WrapperNode [2021-12-15 12:55:41,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:41,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:41,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:55:41,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:55:41,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,401 INFO L137 Inliner]: procedures = 115, calls = 421, calls flagged for inlining = 48, calls inlined = 43, statements flattened = 1062 [2021-12-15 12:55:41,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:41,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:55:41,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:55:41,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:55:41,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:55:41,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:55:41,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:55:41,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:55:41,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (1/1) ... [2021-12-15 12:55:41,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:55:41,526 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 12:55:41,549 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 12:55:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:55:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:55:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:55:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:55:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:55:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:55:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:55:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:55:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:55:41,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:55:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:55:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:55:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:55:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2021-12-15 12:55:41,574 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2021-12-15 12:55:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:55:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:55:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:55:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:55:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:55:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2021-12-15 12:55:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2021-12-15 12:55:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:55:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-15 12:55:41,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-15 12:55:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:55:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:55:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 12:55:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:55:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:55:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2021-12-15 12:55:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2021-12-15 12:55:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:55:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 12:55:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 12:55:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2021-12-15 12:55:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2021-12-15 12:55:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:55:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:55:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:55:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 12:55:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 12:55:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:55:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:55:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:55:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2021-12-15 12:55:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2021-12-15 12:55:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:55:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:55:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2021-12-15 12:55:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2021-12-15 12:55:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:55:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:55:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:55:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:55:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:55:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:55:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:55:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-12-15 12:55:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-12-15 12:55:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-15 12:55:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-15 12:55:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:55:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:55:41,820 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:55:41,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:55:50,604 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:55:50,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:55:50,612 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:55:50,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:50 BoogieIcfgContainer [2021-12-15 12:55:50,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:55:50,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:55:50,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:55:50,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:55:50,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:55:40" (1/3) ... [2021-12-15 12:55:50,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5b1c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:55:50, skipping insertion in model container [2021-12-15 12:55:50,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:41" (2/3) ... [2021-12-15 12:55:50,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5b1c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:55:50, skipping insertion in model container [2021-12-15 12:55:50,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:50" (3/3) ... [2021-12-15 12:55:50,619 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2021-12-15 12:55:50,622 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:55:50,622 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:55:50,654 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:55:50,660 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 12:55:50,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:55:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 275 states, 209 states have (on average 1.2966507177033493) internal successors, (271), 214 states have internal predecessors, (271), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-12-15 12:55:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-15 12:55:50,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:55:50,698 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:50,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:55:50,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:55:50,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1527877958, now seen corresponding path program 1 times [2021-12-15 12:55:50,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:55:50,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393102727] [2021-12-15 12:55:50,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:55:50,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:55:50,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:55:50,718 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 12:55:50,719 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 12:55:50,845 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 12:55:51,048 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 12:55:51,049 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 12:55:51,052 INFO L158 Benchmark]: Toolchain (without parser) took 10552.23ms. Allocated memory was 56.6MB in the beginning and 109.1MB in the end (delta: 52.4MB). Free memory was 31.5MB in the beginning and 50.7MB in the end (delta: -19.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-12-15 12:55:51,052 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:55:51,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.96ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 31.4MB in the beginning and 46.8MB in the end (delta: -15.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-12-15 12:55:51,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.18ms. Allocated memory is still 79.7MB. Free memory was 46.8MB in the beginning and 39.4MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:55:51,053 INFO L158 Benchmark]: Boogie Preprocessor took 101.81ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 31.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:55:51,054 INFO L158 Benchmark]: RCFGBuilder took 9108.59ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 67.0MB in the end (delta: -35.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-12-15 12:55:51,054 INFO L158 Benchmark]: TraceAbstraction took 436.10ms. Allocated memory is still 109.1MB. Free memory was 66.3MB in the beginning and 50.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:55:51,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.96ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 31.4MB in the beginning and 46.8MB in the end (delta: -15.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.18ms. Allocated memory is still 79.7MB. Free memory was 46.8MB in the beginning and 39.4MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.81ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 31.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9108.59ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 67.0MB in the end (delta: -35.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 436.10ms. Allocated memory is still 109.1MB. Free memory was 66.3MB in the beginning and 50.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. 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 12:55:51,106 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