./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:52:12,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:52:12,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:52:12,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:52:12,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:52:12,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:52:12,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:52:12,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:52:12,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:52:12,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:52:12,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:52:12,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:52:12,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:52:12,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:52:12,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:52:12,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:52:12,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:52:12,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:52:12,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:52:12,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:52:12,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:52:12,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:52:12,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:52:12,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:52:12,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:52:12,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:52:12,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:52:12,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:52:12,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:52:12,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:52:12,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:52:12,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:52:12,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:52:12,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:52:12,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:52:12,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:52:12,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:52:12,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:52:12,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:52:12,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:52:12,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:52:12,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 01:52:13,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:52:13,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:52:13,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:52:13,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:52:13,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:52:13,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:52:13,023 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:52:13,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:52:13,023 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:52:13,023 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:52:13,024 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:52:13,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:52:13,025 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:52:13,025 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:52:13,026 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:52:13,026 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:52:13,026 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:52:13,026 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:52:13,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:52:13,027 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:52:13,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:52:13,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:52:13,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:52:13,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:52:13,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:52:13,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:52:13,030 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:52:13,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:52:13,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:52:13,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:52:13,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:52:13,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:52:13,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:52:13,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:52:13,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:52:13,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:52:13,033 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:52:13,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:52:13,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:52:13,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:52:13,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:52:13,034 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2021-11-23 01:52:13,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:52:13,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:52:13,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:52:13,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:52:13,369 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:52:13,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-11-23 01:52:13,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/data/a63abeb5a/4f51b49f8214459ca31e5fea013ff306/FLAG88cc701f5 [2021-11-23 01:52:14,140 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:52:14,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-11-23 01:52:14,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/data/a63abeb5a/4f51b49f8214459ca31e5fea013ff306/FLAG88cc701f5 [2021-11-23 01:52:14,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/data/a63abeb5a/4f51b49f8214459ca31e5fea013ff306 [2021-11-23 01:52:14,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:52:14,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:52:14,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:52:14,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:52:14,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:52:14,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:14" (1/1) ... [2021-11-23 01:52:14,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9a383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:14, skipping insertion in model container [2021-11-23 01:52:14,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:52:14" (1/1) ... [2021-11-23 01:52:14,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:52:14,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:52:14,641 WARN L230 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_53329e65-a6c3-4763-a385-4a615a2a9d95/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-11-23 01:52:15,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:52:15,974 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:52:15,989 WARN L230 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_53329e65-a6c3-4763-a385-4a615a2a9d95/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-11-23 01:52:16,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:52:16,461 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:52:16,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16 WrapperNode [2021-11-23 01:52:16,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:52:16,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:52:16,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:52:16,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:52:16,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,636 INFO L137 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1013 [2021-11-23 01:52:16,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:52:16,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:52:16,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:52:16,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:52:16,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:52:16,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:52:16,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:52:16,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:52:16,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (1/1) ... [2021-11-23 01:52:16,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:52:16,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:52:16,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:52:16,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:52:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-23 01:52:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-23 01:52:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:52:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-23 01:52:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 01:52:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 01:52:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:52:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 01:52:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 01:52:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:52:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-23 01:52:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-23 01:52:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-23 01:52:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:52:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:52:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:52:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-23 01:52:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-23 01:52:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:52:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:52:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:52:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:52:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-23 01:52:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-23 01:52:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 01:52:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 01:52:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-23 01:52:16,886 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-23 01:52:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:52:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:52:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-23 01:52:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-23 01:52:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:52:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:52:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:52:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 01:52:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 01:52:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:52:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:52:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 01:52:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 01:52:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-23 01:52:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-23 01:52:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 01:52:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 01:52:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:52:16,893 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-23 01:52:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-23 01:52:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-23 01:52:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-23 01:52:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 01:52:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 01:52:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-23 01:52:16,895 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-23 01:52:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-23 01:52:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-23 01:52:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-23 01:52:16,896 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-23 01:52:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:52:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-23 01:52:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-23 01:52:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-23 01:52:16,897 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-23 01:52:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 01:52:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 01:52:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 01:52:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 01:52:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:52:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:52:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:52:17,266 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:52:17,269 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:52:19,601 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:52:19,889 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:52:19,889 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:52:19,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:19 BoogieIcfgContainer [2021-11-23 01:52:19,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:52:19,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:52:19,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:52:19,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:52:19,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:52:14" (1/3) ... [2021-11-23 01:52:19,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370d22c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:19, skipping insertion in model container [2021-11-23 01:52:19,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:52:16" (2/3) ... [2021-11-23 01:52:19,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370d22c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:19, skipping insertion in model container [2021-11-23 01:52:19,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:19" (3/3) ... [2021-11-23 01:52:19,912 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb.i [2021-11-23 01:52:19,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:52:19,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-23 01:52:19,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370d22c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:52:19, skipping insertion in model container [2021-11-23 01:52:19,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 01:52:19,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:52:19,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:52:19,924 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:52:19,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:19" (3/3) ... [2021-11-23 01:52:19,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:52:19,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2021-11-23 01:52:19,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2021-11-23 01:52:19,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2021-11-23 01:52:19,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2021-11-23 01:52:19,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2021-11-23 01:52:19,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2021-11-23 01:52:19,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:52:19,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2021-11-23 01:52:19,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2021-11-23 01:52:19,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:52:19,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2021-11-23 01:52:19,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2021-11-23 01:52:19,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-11-23 01:52:19,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2021-11-23 01:52:19,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2021-11-23 01:52:19,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 01:52:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2021-11-23 01:52:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2021-11-23 01:52:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-11-23 01:52:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2021-11-23 01:52:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2021-11-23 01:52:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2021-11-23 01:52:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2021-11-23 01:52:19,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2021-11-23 01:52:19,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 01:52:19,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2021-11-23 01:52:19,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 01:52:19,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2021-11-23 01:52:19,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 211 nodes and edges [2021-11-23 01:52:19,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2021-11-23 01:52:19,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-23 01:52:19,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-23 01:52:19,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:52:19,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:52:20,200 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 01:52:20,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:52:20,202 INFO L158 Benchmark]: Toolchain (without parser) took 5898.01ms. Allocated memory was 90.2MB in the beginning and 172.0MB in the end (delta: 81.8MB). Free memory was 52.8MB in the beginning and 74.2MB in the end (delta: -21.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-11-23 01:52:20,202 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:52:20,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2155.16ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.6MB in the beginning and 60.1MB in the end (delta: -7.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-23 01:52:20,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.95ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 51.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:52:20,204 INFO L158 Benchmark]: Boogie Preprocessor took 115.99ms. Allocated memory is still 109.1MB. Free memory was 51.2MB in the beginning and 43.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:52:20,204 INFO L158 Benchmark]: RCFGBuilder took 3141.97ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 43.9MB in the beginning and 101.5MB in the end (delta: -57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-11-23 01:52:20,204 INFO L158 Benchmark]: TraceAbstraction took 23.57ms. Allocated memory is still 172.0MB. Free memory was 100.4MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:52:20,205 INFO L158 Benchmark]: Witness Printer took 276.18ms. Allocated memory is still 172.0MB. Free memory was 99.4MB in the beginning and 74.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 01:52:20,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2155.16ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.6MB in the beginning and 60.1MB in the end (delta: -7.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.95ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 51.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.99ms. Allocated memory is still 109.1MB. Free memory was 51.2MB in the beginning and 43.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3141.97ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 43.9MB in the beginning and 101.5MB in the end (delta: -57.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 23.57ms. Allocated memory is still 172.0MB. Free memory was 100.4MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 276.18ms. Allocated memory is still 172.0MB. Free memory was 99.4MB in the beginning and 74.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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! [2021-11-23 01:52:20,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53329e65-a6c3-4763-a385-4a615a2a9d95/bin/utaipan-EQgc7hIp5V/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