./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:38:07,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:38:07,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:38:07,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:38:07,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:38:07,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:38:07,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:38:07,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:38:07,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:38:07,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:38:07,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:38:07,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:38:07,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:38:07,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:38:07,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:38:07,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:38:07,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:38:07,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:38:07,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:38:07,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:38:07,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:38:07,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:38:07,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:38:07,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:38:07,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:38:07,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:38:07,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:38:07,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:38:07,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:38:07,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:38:07,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:38:07,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:38:07,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:38:07,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:38:07,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:38:07,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:38:07,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:38:07,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:38:07,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:38:07,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:38:07,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:38:07,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:38:07,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:38:07,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:38:07,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:38:07,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:38:07,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:38:07,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:38:07,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:38:07,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:38:07,369 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:38:07,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:38:07,370 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:38:07,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:38:07,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:38:07,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:38:07,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:38:07,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:38:07,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:38:07,371 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:38:07,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:38:07,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:38:07,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:38:07,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:38:07,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:38:07,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:38:07,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:38:07,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:38:07,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:38:07,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:38:07,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:38:07,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:38:07,374 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:38:07,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:38:07,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:38:07,377 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2022-11-16 12:38:07,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:38:07,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:38:07,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:38:07,820 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:38:07,821 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:38:07,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2022-11-16 12:38:07,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/data/128a73ec6/e7c0d71c8fe0410ca176572c8ef01230/FLAG76c0921e4 [2022-11-16 12:38:08,750 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:38:08,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2022-11-16 12:38:08,777 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/data/128a73ec6/e7c0d71c8fe0410ca176572c8ef01230/FLAG76c0921e4 [2022-11-16 12:38:08,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/data/128a73ec6/e7c0d71c8fe0410ca176572c8ef01230 [2022-11-16 12:38:08,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:38:08,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:38:08,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:38:08,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:38:08,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:38:08,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:08" (1/1) ... [2022-11-16 12:38:08,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498c2d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:08, skipping insertion in model container [2022-11-16 12:38:08,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:08" (1/1) ... [2022-11-16 12:38:08,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:38:09,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:38:09,406 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2022-11-16 12:38:10,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:38:10,814 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:38:10,833 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2022-11-16 12:38:11,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:38:11,462 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:38:11,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11 WrapperNode [2022-11-16 12:38:11,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:38:11,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:38:11,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:38:11,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:38:11,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,718 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2022-11-16 12:38:11,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:38:11,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:38:11,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:38:11,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:38:11,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:38:11,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:38:11,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:38:11,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:38:11,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (1/1) ... [2022-11-16 12:38:11,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:38:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:38:11,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:38:12,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:38:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-16 12:38:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-16 12:38:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:38:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-16 12:38:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:38:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:38:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:38:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:38:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-16 12:38:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-16 12:38:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-16 12:38:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:38:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-16 12:38:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-16 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:38:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:38:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-16 12:38:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-16 12:38:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-16 12:38:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-16 12:38:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-16 12:38:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-16 12:38:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:38:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:38:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-16 12:38:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-16 12:38:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:38:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:38:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:38:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-16 12:38:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-16 12:38:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:38:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:38:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-16 12:38:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-16 12:38:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 12:38:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 12:38:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 12:38:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 12:38:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:38:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-16 12:38:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-16 12:38:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-16 12:38:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-16 12:38:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-16 12:38:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-16 12:38:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 12:38:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 12:38:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-16 12:38:12,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-16 12:38:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-16 12:38:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-16 12:38:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:38:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-16 12:38:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-16 12:38:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-16 12:38:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-16 12:38:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 12:38:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 12:38:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:38:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:38:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:38:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:38:12,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:38:12,657 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:38:12,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:38:15,266 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:38:15,289 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:38:15,289 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 12:38:15,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:15 BoogieIcfgContainer [2022-11-16 12:38:15,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:38:15,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:38:15,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:38:15,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:38:15,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:38:08" (1/3) ... [2022-11-16 12:38:15,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f9db8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:38:15, skipping insertion in model container [2022-11-16 12:38:15,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:11" (2/3) ... [2022-11-16 12:38:15,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f9db8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:38:15, skipping insertion in model container [2022-11-16 12:38:15,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:15" (3/3) ... [2022-11-16 12:38:15,311 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb.i [2022-11-16 12:38:15,334 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:38:15,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 12:38:15,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f9db8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:38:15, skipping insertion in model container [2022-11-16 12:38:15,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:38:15,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:38:15,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:38:15,339 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:38:15,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:15" (3/3) ... [2022-11-16 12:38:15,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:38:15,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-11-16 12:38:15,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-11-16 12:38:15,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-11-16 12:38:15,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-11-16 12:38:15,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-11-16 12:38:15,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-11-16 12:38:15,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:38:15,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-11-16 12:38:15,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-11-16 12:38:15,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:38:15,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-16 12:38:15,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-11-16 12:38:15,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-11-16 12:38:15,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-11-16 12:38:15,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-11-16 12:38:15,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-16 12:38:15,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-11-16 12:38:15,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-11-16 12:38:15,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-11-16 12:38:15,363 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-11-16 12:38:15,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-11-16 12:38:15,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-11-16 12:38:15,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-11-16 12:38:15,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-11-16 12:38:15,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-16 12:38:15,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-11-16 12:38:15,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 12:38:15,372 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-11-16 12:38:15,410 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2022-11-16 12:38:15,412 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-11-16 12:38:15,414 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-16 12:38:15,431 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 12:38:15,433 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:38:15,435 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:38:15,697 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:38:15,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:38:15,700 INFO L158 Benchmark]: Toolchain (without parser) took 6769.87ms. Allocated memory was 140.5MB in the beginning and 230.7MB in the end (delta: 90.2MB). Free memory was 101.8MB in the beginning and 93.4MB in the end (delta: 8.4MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2022-11-16 12:38:15,701 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:38:15,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2532.73ms. Allocated memory is still 140.5MB. Free memory was 101.8MB in the beginning and 95.4MB in the end (delta: 6.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2022-11-16 12:38:15,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.83ms. Allocated memory is still 140.5MB. Free memory was 95.4MB in the beginning and 86.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:38:15,703 INFO L158 Benchmark]: Boogie Preprocessor took 167.11ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 78.6MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:38:15,703 INFO L158 Benchmark]: RCFGBuilder took 3407.57ms. Allocated memory was 140.5MB in the beginning and 230.7MB in the end (delta: 90.2MB). Free memory was 78.6MB in the beginning and 114.3MB in the end (delta: -35.8MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2022-11-16 12:38:15,704 INFO L158 Benchmark]: TraceAbstraction took 34.83ms. Allocated memory is still 230.7MB. Free memory was 113.3MB in the beginning and 111.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:38:15,704 INFO L158 Benchmark]: Witness Printer took 360.17ms. Allocated memory is still 230.7MB. Free memory was 111.2MB in the beginning and 93.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:38:15,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2532.73ms. Allocated memory is still 140.5MB. Free memory was 101.8MB in the beginning and 95.4MB in the end (delta: 6.4MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.83ms. Allocated memory is still 140.5MB. Free memory was 95.4MB in the beginning and 86.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.11ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 78.6MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3407.57ms. Allocated memory was 140.5MB in the beginning and 230.7MB in the end (delta: 90.2MB). Free memory was 78.6MB in the beginning and 114.3MB in the end (delta: -35.8MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34.83ms. Allocated memory is still 230.7MB. Free memory was 113.3MB in the beginning and 111.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 360.17ms. Allocated memory is still 230.7MB. Free memory was 111.2MB in the beginning and 93.4MB in the end (delta: 17.8MB). 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! [2022-11-16 12:38:15,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c2a532-b717-4a12-9c59-7d8134b75571/bin/uautomizer-tPACEb0tL8/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