./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.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_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/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_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/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_25b35c5c-6309-4e6e-b540-328c39a6ca69/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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:07,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:07,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:07,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:07,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:07,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:07,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:07,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:07,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:07,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:07,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:07,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:07,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:07,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:07,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:07,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:07,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:07,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:07,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:07,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:07,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:07,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:07,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:07,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:07,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:07,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:07,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:07,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:07,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:07,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:07,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:07,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:07,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:07,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:07,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:07,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:07,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:07,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:07,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:07,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:07,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:07,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:38:08,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:08,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:08,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:08,021 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:08,021 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:08,021 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:08,021 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:38:08,022 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:08,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:08,022 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:38:08,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:38:08,022 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:08,023 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:38:08,023 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:38:08,023 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:38:08,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:38:08,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:38:08,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:08,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:08,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:38:08,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:38:08,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:08,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:08,025 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:38:08,025 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:38:08,025 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:38:08,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:08,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:08,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:08,026 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:08,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:08,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:08,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:08,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:08,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:08,027 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:38:08,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:38:08,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:08,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:08,028 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_25b35c5c-6309-4e6e-b540-328c39a6ca69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2021-11-07 01:38:08,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:08,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:08,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:08,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:08,308 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:08,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-11-07 01:38:08,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/29ed61495/def0ccf183a5461e99afa1e0b27556b1/FLAGe43770410 [2021-11-07 01:38:09,197 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:09,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-11-07 01:38:09,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/29ed61495/def0ccf183a5461e99afa1e0b27556b1/FLAGe43770410 [2021-11-07 01:38:09,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/29ed61495/def0ccf183a5461e99afa1e0b27556b1 [2021-11-07 01:38:09,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:09,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:09,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:09,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:09,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:09,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:09" (1/1) ... [2021-11-07 01:38:09,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4fbc62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:09, skipping insertion in model container [2021-11-07 01:38:09,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:09" (1/1) ... [2021-11-07 01:38:09,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:09,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:09,686 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_25b35c5c-6309-4e6e-b540-328c39a6ca69/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-11-07 01:38:11,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:11,066 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 01:38:11,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49376770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:11, skipping insertion in model container [2021-11-07 01:38:11,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:11,070 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:38:11,073 INFO L168 Benchmark]: Toolchain (without parser) took 1729.71 ms. Allocated memory is still 146.8 MB. Free memory was 107.3 MB in the beginning and 90.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:11,074 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:11,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1726.54 ms. Allocated memory is still 146.8 MB. Free memory was 107.0 MB in the beginning and 90.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:11,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1726.54 ms. Allocated memory is still 146.8 MB. Free memory was 107.0 MB in the beginning and 90.6 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 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_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/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_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/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_25b35c5c-6309-4e6e-b540-328c39a6ca69/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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:13,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:13,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:13,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:13,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:13,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:13,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:13,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:13,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:13,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:13,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:13,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:13,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:13,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:13,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:13,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:13,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:13,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:13,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:13,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:13,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:13,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:13,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:13,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:13,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:13,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:13,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:13,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:13,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:13,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:13,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:13,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:13,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:13,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:13,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:13,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:13,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:13,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:13,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:13,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:13,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:13,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 01:38:13,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:13,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:13,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:13,513 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:13,513 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:13,514 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:13,514 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:13,514 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:13,514 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:13,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:38:13,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:38:13,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:13,518 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:13,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:38:13,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:38:13,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:13,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:13,519 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:38:13,519 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:38:13,519 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:38:13,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:13,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:13,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:38:13,520 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:38:13,520 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:13,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:13,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:13,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:38:13,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:13,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:13,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:13,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:13,523 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:38:13,523 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:13,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:13,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:13,524 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_25b35c5c-6309-4e6e-b540-328c39a6ca69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2021-11-07 01:38:13,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:13,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:13,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:13,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:13,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:13,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-11-07 01:38:14,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/08a62ec1e/46037a21b8f04a80a8e6378e3dc78013/FLAG9d6a5faa5 [2021-11-07 01:38:14,795 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:14,796 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2021-11-07 01:38:14,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/08a62ec1e/46037a21b8f04a80a8e6378e3dc78013/FLAG9d6a5faa5 [2021-11-07 01:38:14,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/data/08a62ec1e/46037a21b8f04a80a8e6378e3dc78013 [2021-11-07 01:38:14,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:14,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:14,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:14,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:14,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:14,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:14" (1/1) ... [2021-11-07 01:38:14,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35028756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:14, skipping insertion in model container [2021-11-07 01:38:14,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:14" (1/1) ... [2021-11-07 01:38:14,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:15,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:15,285 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_25b35c5c-6309-4e6e-b540-328c39a6ca69/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-11-07 01:38:16,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:16,406 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:38:16,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:16,432 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_25b35c5c-6309-4e6e-b540-328c39a6ca69/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-11-07 01:38:16,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:16,683 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:38:16,694 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_25b35c5c-6309-4e6e-b540-328c39a6ca69/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2021-11-07 01:38:16,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:17,100 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:38:17,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17 WrapperNode [2021-11-07 01:38:17,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:17,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:17,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:38:17,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:38:17,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:17,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:38:17,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:38:17,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:38:17,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:38:17,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:38:17,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:38:17,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:38:17,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (1/1) ... [2021-11-07 01:38:17,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:17,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:17,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:38:17,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:38:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:38:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-07 01:38:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:38:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:38:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:38:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:38:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:38:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:38:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:38:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:38:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:38:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:38:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:38:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:38:25,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:38:25,346 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2021-11-07 01:38:25,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:25 BoogieIcfgContainer [2021-11-07 01:38:25,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:38:25,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:38:25,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:38:25,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:38:25,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:38:14" (1/3) ... [2021-11-07 01:38:25,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47632242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:25, skipping insertion in model container [2021-11-07 01:38:25,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:17" (2/3) ... [2021-11-07 01:38:25,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47632242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:25, skipping insertion in model container [2021-11-07 01:38:25,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:25" (3/3) ... [2021-11-07 01:38:25,357 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2021-11-07 01:38:25,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:38:25,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 287 error locations. [2021-11-07 01:38:25,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:38:25,438 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 01:38:25,438 INFO L340 AbstractCegarLoop]: Starting to check reachability of 287 error locations. [2021-11-07 01:38:25,479 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 01:38:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:38:25,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:25,487 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:38:25,487 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 01:38:25,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:25,492 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-11-07 01:38:25,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:25,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135957171] [2021-11-07 01:38:25,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:25,506 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:25,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:25,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:25,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b35c5c-6309-4e6e-b540-328c39a6ca69/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:38:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:26,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:38:26,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:00,683 WARN L207 SmtUtils]: Spent 1.56 m on a formula simplification. DAG size of input: 3433 DAG size of output: 190 [2021-11-07 01:40:00,695 INFO L354 Elim1Store]: treesize reduction 62478, result has 0.8 percent of original size [2021-11-07 01:40:00,697 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