./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_outl.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 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-13 23:25:44,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 23:25:44,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 23:25:44,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 23:25:44,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 23:25:44,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 23:25:44,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 23:25:44,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 23:25:44,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 23:25:44,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 23:25:44,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 23:25:44,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 23:25:44,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 23:25:44,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 23:25:44,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 23:25:44,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 23:25:44,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 23:25:44,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 23:25:44,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 23:25:44,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 23:25:44,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 23:25:44,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 23:25:44,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 23:25:44,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 23:25:44,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 23:25:44,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 23:25:44,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 23:25:44,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 23:25:44,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 23:25:44,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 23:25:44,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 23:25:44,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 23:25:44,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 23:25:44,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 23:25:44,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 23:25:44,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 23:25:44,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 23:25:44,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 23:25:44,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 23:25:44,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 23:25:44,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 23:25:44,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-13 23:25:44,241 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 23:25:44,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 23:25:44,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-13 23:25:44,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-13 23:25:44,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-13 23:25:44,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-13 23:25:44,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 23:25:44,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 23:25:44,243 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 23:25:44,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 23:25:44,243 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-13 23:25:44,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-13 23:25:44,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-13 23:25:44,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 23:25:44,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-13 23:25:44,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-13 23:25:44,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-13 23:25:44,244 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-13 23:25:44,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 23:25:44,245 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-13 23:25:44,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-13 23:25:44,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 23:25:44,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 23:25:44,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-13 23:25:44,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-13 23:25:44,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 23:25:44,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-13 23:25:44,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 23:25:44,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 23:25:44,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-13 23:25:44,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-13 23:25:44,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-13 23:25:44,247 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-13 23:25:44,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-13 23:25:44,247 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-13 23:25:44,247 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2023-02-13 23:25:44,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 23:25:44,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 23:25:44,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 23:25:44,479 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 23:25:44,479 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 23:25:44,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2023-02-13 23:25:45,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-13 23:25:46,007 INFO L351 CDTParser]: Found 1 translation units. [2023-02-13 23:25:46,008 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2023-02-13 23:25:46,029 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e1555f5/af59cd70a22d409b8ee49adf9acb648f/FLAG4e6232c17 [2023-02-13 23:25:46,047 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e1555f5/af59cd70a22d409b8ee49adf9acb648f [2023-02-13 23:25:46,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 23:25:46,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-13 23:25:46,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 23:25:46,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 23:25:46,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 23:25:46,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 11:25:46" (1/1) ... [2023-02-13 23:25:46,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5e51db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:46, skipping insertion in model container [2023-02-13 23:25:46,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 11:25:46" (1/1) ... [2023-02-13 23:25:46,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 23:25:46,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 23:25:46,329 WARN L237 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_outl.i[456,469] [2023-02-13 23:25:46,882 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-13 23:25:46,885 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-13 23:25:46,891 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-13 23:25:46,895 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-13 23:25:46,895 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-13 23:25:47,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-13 23:25:47,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 23:25:47,195 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 23:25:47,205 WARN L237 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_outl.i[456,469] [2023-02-13 23:25:47,239 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-13 23:25:47,240 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-13 23:25:47,241 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-13 23:25:47,241 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-13 23:25:47,242 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-13 23:25:47,265 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-13 23:25:47,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 23:25:47,483 INFO L208 MainTranslator]: Completed translation [2023-02-13 23:25:47,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47 WrapperNode [2023-02-13 23:25:47,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 23:25:47,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 23:25:47,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 23:25:47,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 23:25:47,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,622 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2023-02-13 23:25:47,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 23:25:47,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 23:25:47,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 23:25:47,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 23:25:47,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,707 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 23:25:47,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 23:25:47,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 23:25:47,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 23:25:47,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (1/1) ... [2023-02-13 23:25:47,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-13 23:25:47,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-13 23:25:47,755 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) [2023-02-13 23:25:47,766 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 [2023-02-13 23:25:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-13 23:25:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-13 23:25:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-13 23:25:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-13 23:25:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-13 23:25:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-13 23:25:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-13 23:25:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-13 23:25:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-13 23:25:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-13 23:25:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-13 23:25:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-13 23:25:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-13 23:25:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-02-13 23:25:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-13 23:25:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-13 23:25:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-13 23:25:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-13 23:25:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-13 23:25:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-13 23:25:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-13 23:25:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-13 23:25:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-13 23:25:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-13 23:25:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-02-13 23:25:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-02-13 23:25:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-13 23:25:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-13 23:25:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 23:25:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 23:25:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-13 23:25:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-13 23:25:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-13 23:25:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-13 23:25:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-13 23:25:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-13 23:25:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-13 23:25:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-13 23:25:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-13 23:25:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-13 23:25:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-13 23:25:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-13 23:25:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-13 23:25:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-13 23:25:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-13 23:25:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-13 23:25:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-13 23:25:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-13 23:25:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-13 23:25:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-13 23:25:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-13 23:25:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-13 23:25:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-13 23:25:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-13 23:25:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-13 23:25:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-13 23:25:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-13 23:25:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-13 23:25:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-13 23:25:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-13 23:25:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-13 23:25:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-13 23:25:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-13 23:25:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-13 23:25:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-13 23:25:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-13 23:25:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-13 23:25:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-13 23:25:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-13 23:25:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-13 23:25:48,197 INFO L235 CfgBuilder]: Building ICFG [2023-02-13 23:25:48,199 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 23:25:49,660 INFO L276 CfgBuilder]: Performing block encoding [2023-02-13 23:25:49,669 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 23:25:49,669 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-13 23:25:49,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 11:25:49 BoogieIcfgContainer [2023-02-13 23:25:49,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 23:25:49,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 23:25:49,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 23:25:49,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 23:25:49,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 11:25:46" (1/3) ... [2023-02-13 23:25:49,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5761cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 11:25:49, skipping insertion in model container [2023-02-13 23:25:49,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 11:25:47" (2/3) ... [2023-02-13 23:25:49,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5761cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 11:25:49, skipping insertion in model container [2023-02-13 23:25:49,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 11:25:49" (3/3) ... [2023-02-13 23:25:49,683 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl.i [2023-02-13 23:25:49,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-13 23:25:49,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 23:25:49,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5761cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 11:25:49, skipping insertion in model container [2023-02-13 23:25:49,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 23:25:49,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-13 23:25:49,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-13 23:25:49,704 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-13 23:25:49,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 11:25:49" (3/3) ... [2023-02-13 23:25:49,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-13 23:25:49,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-02-13 23:25:49,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-02-13 23:25:49,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-02-13 23:25:49,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-02-13 23:25:49,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-02-13 23:25:49,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-02-13 23:25:49,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-02-13 23:25:49,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-02-13 23:25:49,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-02-13 23:25:49,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-13 23:25:49,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-02-13 23:25:49,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-02-13 23:25:49,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-02-13 23:25:49,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-02-13 23:25:49,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-02-13 23:25:49,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-13 23:25:49,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-02-13 23:25:49,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-02-13 23:25:49,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-02-13 23:25:49,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-02-13 23:25:49,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-02-13 23:25:49,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-02-13 23:25:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-02-13 23:25:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-02-13 23:25:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-13 23:25:49,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-02-13 23:25:49,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-13 23:25:49,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-02-13 23:25:49,750 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2023-02-13 23:25:49,752 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-02-13 23:25:49,754 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-02-13 23:25:49,755 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-02-13 23:25:49,757 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-13 23:25:49,758 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-13 23:25:49,912 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-13 23:25:49,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-13 23:25:49,914 INFO L158 Benchmark]: Toolchain (without parser) took 3862.07ms. Allocated memory was 104.9MB in the beginning and 213.9MB in the end (delta: 109.1MB). Free memory was 54.9MB in the beginning and 134.9MB in the end (delta: -80.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-02-13 23:25:49,914 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-13 23:25:49,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1430.53ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 54.7MB in the beginning and 66.0MB in the end (delta: -11.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-02-13 23:25:49,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.72ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 56.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-13 23:25:49,915 INFO L158 Benchmark]: Boogie Preprocessor took 99.93ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 89.9MB in the end (delta: -33.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-02-13 23:25:49,915 INFO L158 Benchmark]: RCFGBuilder took 1949.49ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 89.9MB in the beginning and 154.9MB in the end (delta: -64.9MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2023-02-13 23:25:49,916 INFO L158 Benchmark]: TraceAbstraction took 26.39ms. Allocated memory is still 213.9MB. Free memory was 153.8MB in the beginning and 151.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-13 23:25:49,916 INFO L158 Benchmark]: Witness Printer took 208.52ms. Allocated memory is still 213.9MB. Free memory was 151.6MB in the beginning and 134.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-13 23:25:49,918 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 104.9MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1430.53ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 54.7MB in the beginning and 66.0MB in the end (delta: -11.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.72ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 56.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.93ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 89.9MB in the end (delta: -33.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1949.49ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 89.9MB in the beginning and 154.9MB in the end (delta: -64.9MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. * TraceAbstraction took 26.39ms. Allocated memory is still 213.9MB. Free memory was 153.8MB in the beginning and 151.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 208.52ms. Allocated memory is still 213.9MB. Free memory was 151.6MB in the beginning and 134.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-02-13 23:25:49,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE