./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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-47ea020 [2021-11-07 01:36:34,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:36:34,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:36:34,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:36:34,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:36:34,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:36:34,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:36:34,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:36:34,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:36:34,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:36:34,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:36:34,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:36:34,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:36:34,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:36:34,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:36:34,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:36:34,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:36:34,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:36:34,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:36:34,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:36:34,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:36:34,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:36:34,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:36:34,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:36:34,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:36:34,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:36:34,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:36:34,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:36:34,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:36:34,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:36:34,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:36:34,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:36:34,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:36:34,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:36:34,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:36:34,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:36:34,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:36:34,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:36:34,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:36:34,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:36:34,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:36:34,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:36:34,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:36:34,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:36:34,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:36:34,366 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:36:34,366 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:36:34,366 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:36:34,367 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:36:34,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:36:34,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:36:34,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:36:34,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:36:34,372 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:36:34,372 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:36:34,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:36:34,373 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:36:34,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:36:34,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:36:34,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:36:34,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:36:34,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:36:34,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:36:34,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:36:34,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:36:34,377 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:36:34,377 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:36:34,377 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:36:34,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:36:34,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:36:34,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:36:34,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:36:34,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:36:34,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:36:34,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:34,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:36:34,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:36:34,382 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:36:34,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:36:34,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:36:34,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:36:34,383 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_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2021-11-07 01:36:34,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:36:34,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:36:34,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:36:34,765 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:36:34,766 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:36:34,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-11-07 01:36:34,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/6aaa9fd63/fd81e8502f414757b4be54425167e939/FLAGf69d41b54 [2021-11-07 01:36:35,779 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:36:35,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-11-07 01:36:35,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/6aaa9fd63/fd81e8502f414757b4be54425167e939/FLAGf69d41b54 [2021-11-07 01:36:36,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/6aaa9fd63/fd81e8502f414757b4be54425167e939 [2021-11-07 01:36:36,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:36:36,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:36:36,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:36,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:36:36,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:36:36,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:36" (1/1) ... [2021-11-07 01:36:36,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276a2be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:36, skipping insertion in model container [2021-11-07 01:36:36,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:36" (1/1) ... [2021-11-07 01:36:36,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:36:36,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:36,723 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_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-11-07 01:36:38,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:38,266 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) [2021-11-07 01:36:38,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fa5f65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:38, skipping insertion in model container [2021-11-07 01:36:38,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:38,268 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:36:38,270 INFO L168 Benchmark]: Toolchain (without parser) took 1966.93 ms. Allocated memory is still 98.6 MB. Free memory was 75.9 MB in the beginning and 70.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:38,271 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:38,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1963.72 ms. Allocated memory is still 98.6 MB. Free memory was 75.9 MB in the beginning and 70.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:38,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1963.72 ms. Allocated memory is still 98.6 MB. Free memory was 75.9 MB in the beginning and 70.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 35.7 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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-47ea020 [2021-11-07 01:36:40,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:36:40,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:36:40,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:36:40,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:36:40,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:36:40,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:36:40,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:36:40,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:36:40,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:36:40,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:36:40,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:36:40,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:36:40,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:36:40,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:36:40,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:36:40,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:36:40,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:36:40,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:36:40,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:36:40,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:36:40,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:36:41,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:36:41,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:36:41,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:36:41,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:36:41,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:36:41,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:36:41,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:36:41,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:36:41,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:36:41,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:36:41,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:36:41,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:36:41,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:36:41,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:36:41,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:36:41,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:36:41,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:36:41,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:36:41,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:36:41,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:36:41,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:36:41,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:36:41,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:36:41,095 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:36:41,096 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:36:41,096 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:36:41,096 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:36:41,097 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:36:41,097 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:36:41,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:36:41,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:36:41,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:36:41,101 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:36:41,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:36:41,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:36:41,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:36:41,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:36:41,103 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:36:41,103 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:36:41,103 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:36:41,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:36:41,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:36:41,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:36:41,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:36:41,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:36:41,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:36:41,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:36:41,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:36:41,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:36:41,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:41,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:36:41,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:36:41,107 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:36:41,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:36:41,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:36:41,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:36:41,108 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_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 923bc1d588e1fd31be856d665fc28cbbbed3a9b002263483bc91775fdffd6378 [2021-11-07 01:36:41,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:36:41,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:36:41,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:36:41,660 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:36:41,661 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:36:41,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-11-07 01:36:41,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/02e76a639/e1e0562464fc479cb61ae245bac4f6ef/FLAG73c166367 [2021-11-07 01:36:42,646 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:36:42,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i [2021-11-07 01:36:42,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/02e76a639/e1e0562464fc479cb61ae245bac4f6ef/FLAG73c166367 [2021-11-07 01:36:43,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/data/02e76a639/e1e0562464fc479cb61ae245bac4f6ef [2021-11-07 01:36:43,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:36:43,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:36:43,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:43,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:36:43,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:36:43,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:43" (1/1) ... [2021-11-07 01:36:43,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d5b402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:43, skipping insertion in model container [2021-11-07 01:36:43,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:43" (1/1) ... [2021-11-07 01:36:43,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:36:43,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:43,558 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_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-11-07 01:36:44,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:44,789 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:36:44,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:44,826 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_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-11-07 01:36:45,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:45,121 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:36:45,132 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_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb.i[455,468] [2021-11-07 01:36:45,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:45,504 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:36:45,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45 WrapperNode [2021-11-07 01:36:45,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:45,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:45,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:36:45,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:36:45,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:45,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:36:45,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:36:45,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:36:45,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:36:45,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:36:45,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:36:45,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:36:45,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (1/1) ... [2021-11-07 01:36:45,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:45,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:45,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:36:45,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:36:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:36:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:36:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:36:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:36:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:36:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:36:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:36:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:36:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:36:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:36:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:36:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:36:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:36:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:36:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:36:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:36:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:36:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:36:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:36:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:36:54,584 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:36:54,588 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-11-07 01:36:54,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:54 BoogieIcfgContainer [2021-11-07 01:36:54,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:36:54,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:36:54,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:36:54,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:36:54,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:36:43" (1/3) ... [2021-11-07 01:36:54,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bac432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:54, skipping insertion in model container [2021-11-07 01:36:54,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:45" (2/3) ... [2021-11-07 01:36:54,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bac432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:54, skipping insertion in model container [2021-11-07 01:36:54,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:54" (3/3) ... [2021-11-07 01:36:54,605 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb.i [2021-11-07 01:36:54,612 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:36:54,613 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 287 error locations. [2021-11-07 01:36:54,678 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:36:54,685 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:36:54,686 INFO L340 AbstractCegarLoop]: Starting to check reachability of 287 error locations. [2021-11-07 01:36:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 781 states, 493 states have (on average 1.8012170385395538) internal successors, (888), 780 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:36:54,754 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:54,755 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:36:54,756 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 283 more)] === [2021-11-07 01:36:54,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:54,769 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-07 01:36:54,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:36:54,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878166039] [2021-11-07 01:36:54,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:54,793 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:36:54,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:36:54,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:36:54,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d204e38-d14b-4d22-b3e3-7ef5c2482e39/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:36:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:55,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:36:55,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:53,916 WARN L207 SmtUtils]: Spent 1.96 m on a formula simplification. DAG size of input: 3433 DAG size of output: 190 [2021-11-07 01:38:53,921 INFO L354 Elim1Store]: treesize reduction 62478, result has 0.8 percent of original size [2021-11-07 01:38:53,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 47 case distinctions, treesize of input 2174 treesize of output 2515