./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE --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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE --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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:17:41,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:17:41,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:17:41,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:17:41,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:17:41,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:17:41,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:17:41,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:17:41,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:17:41,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:17:41,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:17:41,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:17:41,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:17:41,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:17:41,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:17:41,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:17:41,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:17:41,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:17:41,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:17:41,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:17:41,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:17:41,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:17:41,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:17:41,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:17:41,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:17:41,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:17:41,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:17:41,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:17:41,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:17:41,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:17:41,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:17:41,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:17:41,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:17:41,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:17:41,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:17:41,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:17:41,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:17:41,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:17:41,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:17:41,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:17:41,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:17:41,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:17:41,499 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:17:41,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:17:41,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:17:41,501 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:17:41,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:17:41,502 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:17:41,502 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:17:41,503 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:17:41,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:17:41,503 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:17:41,504 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:17:41,504 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:17:41,504 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:17:41,505 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:17:41,505 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:17:41,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:17:41,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:17:41,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:17:41,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:17:41,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:17:41,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:17:41,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:17:41,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:17:41,508 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:17:41,508 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:17:41,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:17:41,509 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:17:41,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:17:41,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:17:41,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:17:41,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:17:41,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:17:41,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:17:41,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:17:41,511 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:17:41,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:17:41,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:17:41,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:17:41,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:17:41,513 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_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2021-10-24 10:17:41,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:17:41,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:17:41,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:17:41,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:17:41,838 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:17:41,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-10-24 10:17:41,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/798130ef6/87c4a8a671f542378c98df07f9a0507a/FLAGf87de0b30 [2021-10-24 10:17:42,698 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:17:42,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-10-24 10:17:42,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/798130ef6/87c4a8a671f542378c98df07f9a0507a/FLAGf87de0b30 [2021-10-24 10:17:42,773 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/798130ef6/87c4a8a671f542378c98df07f9a0507a [2021-10-24 10:17:42,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:17:42,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:17:42,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:42,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:17:42,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:17:42,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:42" (1/1) ... [2021-10-24 10:17:42,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42502484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:42, skipping insertion in model container [2021-10-24 10:17:42,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:42" (1/1) ... [2021-10-24 10:17:42,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:17:42,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:17:43,153 WARN L228 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_934e65df-a748-40db-9a97-d7bfcddcd932/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-10-24 10:17:44,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:44,418 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:17:44,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c2766a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:44, skipping insertion in model container [2021-10-24 10:17:44,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:44,419 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:17:44,422 INFO L168 Benchmark]: Toolchain (without parser) took 1641.01 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 64.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:44,424 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 69.4 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:17:44,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1636.75 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.6 MB in the beginning and 64.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:44,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 69.4 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1636.75 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.6 MB in the beginning and 64.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:17:46,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:17:46,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:17:46,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:17:46,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:17:46,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:17:46,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:17:46,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:17:46,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:17:46,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:17:46,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:17:46,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:17:46,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:17:46,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:17:46,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:17:46,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:17:46,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:17:46,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:17:46,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:17:46,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:17:46,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:17:46,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:17:46,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:17:46,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:17:46,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:17:46,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:17:46,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:17:46,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:17:46,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:17:46,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:17:46,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:17:46,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:17:46,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:17:46,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:17:46,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:17:46,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:17:46,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:17:46,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:17:46,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:17:46,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:17:46,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:17:46,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:17:46,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:17:46,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:17:46,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:17:46,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:17:46,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:17:46,951 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:17:46,951 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:17:46,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:17:46,952 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:17:46,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:17:46,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:17:46,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:17:46,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:17:46,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:17:46,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:17:46,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:17:46,955 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:17:46,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:17:46,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:17:46,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:17:46,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:17:46,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:17:46,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:17:46,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:17:46,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:17:46,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:17:46,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:17:46,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:17:46,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:17:46,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:17:46,959 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:17:46,959 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:17:46,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:17:46,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:17:46,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:17:46,960 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2021-10-24 10:17:47,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:17:47,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:17:47,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:17:47,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:17:47,390 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:17:47,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-10-24 10:17:47,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/77393f42e/378e8984f25c4ca494dd8639d934f8e4/FLAG1be0dbcaf [2021-10-24 10:17:48,173 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:17:48,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-10-24 10:17:48,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/77393f42e/378e8984f25c4ca494dd8639d934f8e4/FLAG1be0dbcaf [2021-10-24 10:17:48,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/data/77393f42e/378e8984f25c4ca494dd8639d934f8e4 [2021-10-24 10:17:48,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:17:48,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:17:48,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:48,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:17:48,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:17:48,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:48" (1/1) ... [2021-10-24 10:17:48,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f73c97f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:48, skipping insertion in model container [2021-10-24 10:17:48,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:17:48" (1/1) ... [2021-10-24 10:17:48,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:17:48,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:17:48,600 WARN L228 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_934e65df-a748-40db-9a97-d7bfcddcd932/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-10-24 10:17:49,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:49,898 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:17:49,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:17:49,930 WARN L228 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_934e65df-a748-40db-9a97-d7bfcddcd932/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-10-24 10:17:50,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:50,101 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:17:50,113 WARN L228 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_934e65df-a748-40db-9a97-d7bfcddcd932/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-10-24 10:17:50,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:17:50,563 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:17:50,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50 WrapperNode [2021-10-24 10:17:50,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:17:50,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:17:50,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:17:50,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:17:50,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:50,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:50,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:17:50,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:17:50,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:17:50,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:17:50,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:50,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:50,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:50,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:51,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:51,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:51,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:51,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:17:51,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:17:51,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:17:51,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:17:51,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (1/1) ... [2021-10-24 10:17:51,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:17:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:17:51,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:17:51,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:17:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:17:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-24 10:17:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:17:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-24 10:17:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 10:17:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-24 10:17:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:17:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:17:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-24 10:17:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 10:17:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-24 10:17:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-24 10:17:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:17:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-24 10:17:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-24 10:17:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-24 10:17:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-24 10:17:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-24 10:17:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-24 10:17:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-24 10:17:59,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:17:59,626 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-10-24 10:17:59,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:17:59 BoogieIcfgContainer [2021-10-24 10:17:59,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:17:59,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:17:59,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:17:59,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:17:59,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:17:48" (1/3) ... [2021-10-24 10:17:59,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bada15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:17:59, skipping insertion in model container [2021-10-24 10:17:59,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:17:50" (2/3) ... [2021-10-24 10:17:59,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bada15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:17:59, skipping insertion in model container [2021-10-24 10:17:59,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:17:59" (3/3) ... [2021-10-24 10:17:59,641 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2021-10-24 10:17:59,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:17:59,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-24 10:17:59,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bada15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:17:59, skipping insertion in model container [2021-10-24 10:17:59,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:17:59,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:17:59,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:17:59,650 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:17:59,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:17:59" (3/3) ... [2021-10-24 10:17:59,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:17:59,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 270 nodes and edges [2021-10-24 10:17:59,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2021-10-24 10:17:59,728 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-24 10:17:59,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-24 10:17:59,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:17:59,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:17:59,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:17:59,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:17:59,972 INFO L168 Benchmark]: Toolchain (without parser) took 11650.59 ms. Allocated memory was 54.5 MB in the beginning and 201.3 MB in the end (delta: 146.8 MB). Free memory was 28.7 MB in the beginning and 136.9 MB in the end (delta: -108.2 MB). Peak memory consumption was 138.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:59,972 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 36.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:17:59,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2242.23 ms. Allocated memory was 54.5 MB in the beginning and 90.2 MB in the end (delta: 35.7 MB). Free memory was 28.5 MB in the beginning and 53.2 MB in the end (delta: -24.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:59,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 305.96 ms. Allocated memory is still 90.2 MB. Free memory was 53.2 MB in the beginning and 41.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:59,974 INFO L168 Benchmark]: Boogie Preprocessor took 195.35 ms. Allocated memory is still 90.2 MB. Free memory was 41.1 MB in the beginning and 49.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:59,974 INFO L168 Benchmark]: RCFGBuilder took 8563.14 ms. Allocated memory was 90.2 MB in the beginning and 201.3 MB in the end (delta: 111.1 MB). Free memory was 48.9 MB in the beginning and 56.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 120.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:59,975 INFO L168 Benchmark]: TraceAbstraction took 16.17 ms. Allocated memory is still 201.3 MB. Free memory was 55.1 MB in the beginning and 54.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:17:59,975 INFO L168 Benchmark]: Witness Printer took 319.74 ms. Allocated memory is still 201.3 MB. Free memory was 54.0 MB in the beginning and 136.9 MB in the end (delta: -82.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:17:59,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 36.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2242.23 ms. Allocated memory was 54.5 MB in the beginning and 90.2 MB in the end (delta: 35.7 MB). Free memory was 28.5 MB in the beginning and 53.2 MB in the end (delta: -24.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 305.96 ms. Allocated memory is still 90.2 MB. Free memory was 53.2 MB in the beginning and 41.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 195.35 ms. Allocated memory is still 90.2 MB. Free memory was 41.1 MB in the beginning and 49.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8563.14 ms. Allocated memory was 90.2 MB in the beginning and 201.3 MB in the end (delta: 111.1 MB). Free memory was 48.9 MB in the beginning and 56.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 120.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16.17 ms. Allocated memory is still 201.3 MB. Free memory was 55.1 MB in the beginning and 54.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 319.74 ms. Allocated memory is still 201.3 MB. Free memory was 54.0 MB in the beginning and 136.9 MB in the end (delta: -82.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * 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! [2021-10-24 10:18:00,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934e65df-a748-40db-9a97-d7bfcddcd932/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...