./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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/ddv-machzwd/ddv_machzwd_inb.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-27 23:48:26,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-27 23:48:26,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-27 23:48:26,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-27 23:48:26,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-27 23:48:26,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-27 23:48:26,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-27 23:48:26,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-27 23:48:26,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-27 23:48:26,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-27 23:48:26,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-27 23:48:26,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-27 23:48:26,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-27 23:48:26,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-27 23:48:26,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-27 23:48:26,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-27 23:48:26,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-27 23:48:26,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-27 23:48:26,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-27 23:48:26,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-27 23:48:26,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-27 23:48:26,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-27 23:48:26,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-27 23:48:26,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-27 23:48:26,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-27 23:48:26,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-27 23:48:26,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-27 23:48:26,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-27 23:48:26,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-27 23:48:26,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-27 23:48:26,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-27 23:48:26,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-27 23:48:26,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-27 23:48:26,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-27 23:48:26,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-27 23:48:26,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-27 23:48:26,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-27 23:48:26,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-27 23:48:26,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-27 23:48:26,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-27 23:48:26,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-27 23:48:26,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-27 23:48:26,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-27 23:48:26,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-27 23:48:26,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-27 23:48:26,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-27 23:48:26,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-27 23:48:26,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-27 23:48:26,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-27 23:48:26,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-27 23:48:26,376 INFO L138 SettingsManager]: * Use SBE=true [2021-12-27 23:48:26,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-27 23:48:26,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-27 23:48:26,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-27 23:48:26,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-27 23:48:26,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-27 23:48:26,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-27 23:48:26,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-27 23:48:26,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-27 23:48:26,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-27 23:48:26,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-27 23:48:26,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-27 23:48:26,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-27 23:48:26,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-27 23:48:26,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-27 23:48:26,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-27 23:48:26,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:48:26,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-27 23:48:26,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-27 23:48:26,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-27 23:48:26,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-27 23:48:26,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-27 23:48:26,380 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-27 23:48:26,380 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-27 23:48:26,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-27 23:48:26,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2021-12-27 23:48:26,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-27 23:48:26,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-27 23:48:26,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-27 23:48:26,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-27 23:48:26,663 INFO L275 PluginConnector]: CDTParser initialized [2021-12-27 23:48:26,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-12-27 23:48:26,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b221c135/963040e5713847da980d7209924eeb8f/FLAG1383df414 [2021-12-27 23:48:27,347 INFO L306 CDTParser]: Found 1 translation units. [2021-12-27 23:48:27,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-12-27 23:48:27,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b221c135/963040e5713847da980d7209924eeb8f/FLAG1383df414 [2021-12-27 23:48:27,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b221c135/963040e5713847da980d7209924eeb8f [2021-12-27 23:48:27,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-27 23:48:27,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-27 23:48:27,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-27 23:48:27,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-27 23:48:27,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-27 23:48:27,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:48:27" (1/1) ... [2021-12-27 23:48:27,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f116e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:27, skipping insertion in model container [2021-12-27 23:48:27,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:48:27" (1/1) ... [2021-12-27 23:48:27,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-27 23:48:27,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-27 23:48:27,965 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/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-12-27 23:48:28,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:48:28,699 INFO L203 MainTranslator]: Completed pre-run [2021-12-27 23:48:28,711 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/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-12-27 23:48:28,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:48:29,159 INFO L208 MainTranslator]: Completed translation [2021-12-27 23:48:29,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29 WrapperNode [2021-12-27 23:48:29,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-27 23:48:29,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-27 23:48:29,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-27 23:48:29,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-27 23:48:29,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,313 INFO L137 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1013 [2021-12-27 23:48:29,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-27 23:48:29,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-27 23:48:29,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-27 23:48:29,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-27 23:48:29,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-27 23:48:29,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-27 23:48:29,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-27 23:48:29,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-27 23:48:29,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (1/1) ... [2021-12-27 23:48:29,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:48:29,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-27 23:48:29,437 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) [2021-12-27 23:48:29,457 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 [2021-12-27 23:48:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-27 23:48:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-27 23:48:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-27 23:48:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-27 23:48:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-27 23:48:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-27 23:48:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-27 23:48:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-27 23:48:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-27 23:48:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-27 23:48:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-27 23:48:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-27 23:48:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-27 23:48:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-27 23:48:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-27 23:48:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-27 23:48:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-27 23:48:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-27 23:48:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-27 23:48:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-27 23:48:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-27 23:48:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-27 23:48:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-27 23:48:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-27 23:48:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-27 23:48:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-27 23:48:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-27 23:48:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-27 23:48:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-27 23:48:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-27 23:48:29,468 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-27 23:48:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-27 23:48:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-27 23:48:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-27 23:48:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-27 23:48:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-27 23:48:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-27 23:48:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-27 23:48:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-27 23:48:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-27 23:48:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-27 23:48:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-27 23:48:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-27 23:48:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-27 23:48:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-27 23:48:29,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-27 23:48:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-27 23:48:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-27 23:48:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-27 23:48:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-27 23:48:29,471 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-27 23:48:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-27 23:48:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-27 23:48:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-27 23:48:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-27 23:48:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-27 23:48:29,473 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-27 23:48:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-27 23:48:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-27 23:48:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-27 23:48:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-27 23:48:29,474 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-27 23:48:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-27 23:48:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-27 23:48:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-27 23:48:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-27 23:48:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-27 23:48:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-27 23:48:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-27 23:48:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-27 23:48:29,809 INFO L234 CfgBuilder]: Building ICFG [2021-12-27 23:48:29,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-27 23:48:31,164 INFO L275 CfgBuilder]: Performing block encoding [2021-12-27 23:48:31,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-27 23:48:31,170 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-27 23:48:31,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:48:31 BoogieIcfgContainer [2021-12-27 23:48:31,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-27 23:48:31,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-27 23:48:31,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-27 23:48:31,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-27 23:48:31,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:48:27" (1/3) ... [2021-12-27 23:48:31,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f127db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:48:31, skipping insertion in model container [2021-12-27 23:48:31,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:29" (2/3) ... [2021-12-27 23:48:31,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f127db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:48:31, skipping insertion in model container [2021-12-27 23:48:31,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:48:31" (3/3) ... [2021-12-27 23:48:31,177 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb.i [2021-12-27 23:48:31,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-27 23:48:31,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-27 23:48:31,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f127db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:48:31, skipping insertion in model container [2021-12-27 23:48:31,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-27 23:48:31,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-27 23:48:31,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-27 23:48:31,182 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-27 23:48:31,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:48:31" (3/3) ... [2021-12-27 23:48:31,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-27 23:48:31,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2021-12-27 23:48:31,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2021-12-27 23:48:31,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2021-12-27 23:48:31,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-12-27 23:48:31,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2021-12-27 23:48:31,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2021-12-27 23:48:31,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2021-12-27 23:48:31,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2021-12-27 23:48:31,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2021-12-27 23:48:31,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-27 23:48:31,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2021-12-27 23:48:31,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-27 23:48:31,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2021-12-27 23:48:31,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2021-12-27 23:48:31,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2021-12-27 23:48:31,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-12-27 23:48:31,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-27 23:48:31,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-27 23:48:31,253 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-27 23:48:31,389 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-27 23:48:31,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-27 23:48:31,391 INFO L158 Benchmark]: Toolchain (without parser) took 3680.62ms. Allocated memory was 65.0MB in the beginning and 132.1MB in the end (delta: 67.1MB). Free memory was 40.7MB in the beginning and 68.7MB in the end (delta: -27.9MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2021-12-27 23:48:31,391 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:48:31,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1448.74ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 40.6MB in the beginning and 55.4MB in the end (delta: -14.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2021-12-27 23:48:31,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.48ms. Allocated memory is still 100.7MB. Free memory was 55.4MB in the beginning and 46.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-27 23:48:31,392 INFO L158 Benchmark]: Boogie Preprocessor took 99.37ms. Allocated memory is still 100.7MB. Free memory was 46.5MB in the beginning and 63.9MB in the end (delta: -17.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-12-27 23:48:31,393 INFO L158 Benchmark]: RCFGBuilder took 1758.44ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 63.9MB in the beginning and 39.9MB in the end (delta: 23.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-12-27 23:48:31,393 INFO L158 Benchmark]: TraceAbstraction took 8.27ms. Allocated memory is still 132.1MB. Free memory was 39.9MB in the beginning and 38.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:48:31,393 INFO L158 Benchmark]: Witness Printer took 208.02ms. Allocated memory is still 132.1MB. Free memory was 38.9MB in the beginning and 68.7MB in the end (delta: -29.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-12-27 23:48:31,394 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 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1448.74ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 40.6MB in the beginning and 55.4MB in the end (delta: -14.7MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.48ms. Allocated memory is still 100.7MB. Free memory was 55.4MB in the beginning and 46.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.37ms. Allocated memory is still 100.7MB. Free memory was 46.5MB in the beginning and 63.9MB in the end (delta: -17.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1758.44ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 63.9MB in the beginning and 39.9MB in the end (delta: 23.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8.27ms. Allocated memory is still 132.1MB. Free memory was 39.9MB in the beginning and 38.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 208.02ms. Allocated memory is still 132.1MB. Free memory was 38.9MB in the beginning and 68.7MB in the end (delta: -29.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-12-27 23:48:31,421 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: TRUE