./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan --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 ab7877d5bf6159cd849983da792947a7e74edaf7 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan --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 ab7877d5bf6159cd849983da792947a7e74edaf7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:23:16,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:23:16,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:23:16,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:23:16,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:23:16,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:23:16,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:23:16,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:23:16,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:23:16,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:23:16,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:23:16,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:23:16,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:23:16,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:23:16,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:23:16,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:23:16,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:23:16,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:23:16,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:23:16,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:23:16,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:23:16,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:23:16,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:23:16,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:23:16,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:23:16,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:23:16,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:23:16,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:23:16,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:23:16,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:23:16,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:23:16,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:23:16,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:23:16,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:23:16,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:23:16,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:23:16,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:23:16,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:23:16,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:23:16,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:23:16,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:23:16,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 10:23:16,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:23:16,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:23:16,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:23:16,747 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:23:16,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:23:16,751 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:23:16,752 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:23:16,752 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:23:16,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:23:16,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:23:16,752 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:23:16,752 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:23:16,753 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:23:16,753 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:23:16,753 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:23:16,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 10:23:16,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 10:23:16,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:23:16,754 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:23:16,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 10:23:16,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:23:16,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:23:16,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:23:16,755 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 10:23:16,755 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 10:23:16,755 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 10:23:16,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:23:16,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:23:16,756 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:23:16,756 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:23:16,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:23:16,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:23:16,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:23:16,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:23:16,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:23:16,757 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:23:16,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:23:16,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:23:16,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:23:16,758 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-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab7877d5bf6159cd849983da792947a7e74edaf7 [2020-12-09 10:23:16,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:23:16,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:23:16,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:23:16,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:23:16,981 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:23:16,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2020-12-09 10:23:17,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/7a63100db/e1952eeebc904b978bdc37f5053986a4/FLAGbf00ff990 [2020-12-09 10:23:17,504 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:23:17,505 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2020-12-09 10:23:17,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/7a63100db/e1952eeebc904b978bdc37f5053986a4/FLAGbf00ff990 [2020-12-09 10:23:17,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/7a63100db/e1952eeebc904b978bdc37f5053986a4 [2020-12-09 10:23:17,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:23:17,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:23:17,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:17,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:23:17,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:23:17,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:17" (1/1) ... [2020-12-09 10:23:17,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4372e4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:17, skipping insertion in model container [2020-12-09 10:23:17,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:17" (1/1) ... [2020-12-09 10:23:17,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:23:17,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:23:17,758 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2020-12-09 10:23:18,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:18,606 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) [2020-12-09 10:23:18,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dd8106c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:18, skipping insertion in model container [2020-12-09 10:23:18,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:18,606 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 10:23:18,608 INFO L168 Benchmark]: Toolchain (without parser) took 1064.47 ms. Allocated memory is still 104.9 MB. Free memory was 83.3 MB in the beginning and 68.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-12-09 10:23:18,608 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:23:18,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1062.61 ms. Allocated memory is still 104.9 MB. Free memory was 83.0 MB in the beginning and 68.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-12-09 10:23:18,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory is still 47.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1062.61 ms. Allocated memory is still 104.9 MB. Free memory was 83.0 MB in the beginning and 68.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:23:19,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:23:19,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:23:19,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:23:19,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:23:19,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:23:19,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:23:19,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:23:19,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:23:19,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:23:19,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:23:19,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:23:19,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:23:19,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:23:19,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:23:19,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:23:19,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:23:19,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:23:19,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:23:19,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:23:19,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:23:19,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:23:19,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:23:19,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:23:19,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:23:19,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:23:19,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:23:19,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:23:19,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:23:19,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:23:19,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:23:19,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:23:19,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:23:19,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:23:19,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:23:19,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:23:19,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:23:19,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:23:19,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:23:19,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:23:19,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:23:19,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 10:23:19,978 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:23:19,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:23:19,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:23:19,979 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:23:19,979 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:23:19,979 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:23:19,979 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:23:19,979 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:23:19,979 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:23:19,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 10:23:19,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 10:23:19,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:23:19,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:23:19,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:23:19,981 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 10:23:19,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 10:23:19,982 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:23:19,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:23:19,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:23:19,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 10:23:19,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:23:19,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:23:19,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:23:19,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:23:19,988 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 10:23:19,988 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 10:23:19,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:23:19,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:23:19,989 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-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab7877d5bf6159cd849983da792947a7e74edaf7 [2020-12-09 10:23:20,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:23:20,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:23:20,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:23:20,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:23:20,236 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:23:20,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2020-12-09 10:23:20,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/4148111fd/06924bf31e4e4a72b05079edb0096d2c/FLAG1b19be321 [2020-12-09 10:23:20,820 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:23:20,821 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2020-12-09 10:23:20,846 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/4148111fd/06924bf31e4e4a72b05079edb0096d2c/FLAG1b19be321 [2020-12-09 10:23:21,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/data/4148111fd/06924bf31e4e4a72b05079edb0096d2c [2020-12-09 10:23:21,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:23:21,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:23:21,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:21,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:23:21,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:23:21,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:21" (1/1) ... [2020-12-09 10:23:21,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e44c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:21, skipping insertion in model container [2020-12-09 10:23:21,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:21" (1/1) ... [2020-12-09 10:23:21,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:23:21,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:23:21,544 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2020-12-09 10:23:22,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:22,370 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 10:23:22,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:23:22,393 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2020-12-09 10:23:22,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:22,517 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:23:22,526 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i[458,471] [2020-12-09 10:23:22,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:22,918 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:23:22,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22 WrapperNode [2020-12-09 10:23:22,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:22,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:23:22,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:23:22,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:23:22,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:22,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:23:23,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:23:23,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:23:23,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:23:23,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... [2020-12-09 10:23:23,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:23:23,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:23:23,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:23:23,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:23:23,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:23:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 10:23:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-12-09 10:23:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 10:23:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-09 10:23:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 10:23:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 10:23:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:23:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:23:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-09 10:23:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 10:23:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-12-09 10:23:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-09 10:23:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:23:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 10:23:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-09 10:23:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-12-09 10:23:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-12-09 10:23:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 10:23:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 10:23:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-12-09 10:23:29,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:23:29,583 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2020-12-09 10:23:29,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:23:29 BoogieIcfgContainer [2020-12-09 10:23:29,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:23:29,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:23:29,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:23:29,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:23:29,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:23:21" (1/3) ... [2020-12-09 10:23:29,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65858d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:23:29, skipping insertion in model container [2020-12-09 10:23:29,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:22" (2/3) ... [2020-12-09 10:23:29,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65858d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:23:29, skipping insertion in model container [2020-12-09 10:23:29,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:23:29" (3/3) ... [2020-12-09 10:23:29,590 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2020-12-09 10:23:29,600 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:23:29,603 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 287 error locations. [2020-12-09 10:23:29,610 INFO L253 AbstractCegarLoop]: Starting to check reachability of 287 error locations. [2020-12-09 10:23:29,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:23:29,624 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 10:23:29,624 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:23:29,624 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:23:29,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:23:29,624 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:23:29,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:23:29,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:23:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states. [2020-12-09 10:23:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-09 10:23:29,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:23:29,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-09 10:23:29,670 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr219REQUIRES_VIOLATION, ULTIMATE.startErr284REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr173REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr192REQUIRES_VIOLATION, ULTIMATE.startErr265REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr200REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr257REQUIRES_VIOLATION, ULTIMATE.startErr135REQUIRES_VIOLATION, ULTIMATE.startErr154REQUIRES_VIOLATION, ULTIMATE.startErr238REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr184REQUIRES_VIOLATION, ULTIMATE.startErr230REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr211REQUIRES_VIOLATION, ULTIMATE.startErr203REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr138REQUIRES_VIOLATION, ULTIMATE.startErr276REQUIRES_VIOLATION, ULTIMATE.startErr286ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr127REQUIRES_VIOLATION, ULTIMATE.startErr268REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr146REQUIRES_VIOLATION, ULTIMATE.startErr249REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr165REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr195REQUIRES_VIOLATION, ULTIMATE.startErr241REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr149REQUIRES_VIOLATION, ULTIMATE.startErr222REQUIRES_VIOLATION, ULTIMATE.startErr157REQUIRES_VIOLATION, ULTIMATE.startErr214REQUIRES_VIOLATION, ULTIMATE.startErr279REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr176REQUIRES_VIOLATION, ULTIMATE.startErr260REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr141REQUIRES_VIOLATION, ULTIMATE.startErr252REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr160REQUIRES_VIOLATION, ULTIMATE.startErr233REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr168REQUIRES_VIOLATION, ULTIMATE.startErr225REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr103REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr187REQUIRES_VIOLATION, ULTIMATE.startErr206REQUIRES_VIOLATION, ULTIMATE.startErr271REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr282REQUIRES_VIOLATION, ULTIMATE.startErr263REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr152REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr171REQUIRES_VIOLATION, ULTIMATE.startErr244REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr179REQUIRES_VIOLATION, ULTIMATE.startErr236REQUIRES_VIOLATION, ULTIMATE.startErr198REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr133REQUIRES_VIOLATION, ULTIMATE.startErr217REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr163REQUIRES_VIOLATION, ULTIMATE.startErr209REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr182REQUIRES_VIOLATION, ULTIMATE.startErr274REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr255REQUIRES_VIOLATION, ULTIMATE.startErr266REQUIRES_VIOLATION, ULTIMATE.startErr190REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr247REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr144REQUIRES_VIOLATION, ULTIMATE.startErr228REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr174REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr220REQUIRES_VIOLATION, ULTIMATE.startErr193REQUIRES_VIOLATION, ULTIMATE.startErr285REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr128REQUIRES_VIOLATION, ULTIMATE.startErr201REQUIRES_VIOLATION, ULTIMATE.startErr277REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr136REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr258REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr155REQUIRES_VIOLATION, ULTIMATE.startErr239REQUIRES_VIOLATION, ULTIMATE.startErr185REQUIRES_VIOLATION, ULTIMATE.startErr250REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr231REQUIRES_VIOLATION, ULTIMATE.startErr204REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr139REQUIRES_VIOLATION, ULTIMATE.startErr212REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr147REQUIRES_VIOLATION, ULTIMATE.startErr101REQUIRES_VIOLATION, ULTIMATE.startErr166REQUIRES_VIOLATION, ULTIMATE.startErr269REQUIRES_VIOLATION, ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr196REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr261REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr131REQUIRES_VIOLATION, ULTIMATE.startErr150REQUIRES_VIOLATION, ULTIMATE.startErr242REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr223REQUIRES_VIOLATION, ULTIMATE.startErr158REQUIRES_VIOLATION, ULTIMATE.startErr234REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr215REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr280REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr177REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr272REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr142REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr161REQUIRES_VIOLATION, ULTIMATE.startErr253REQUIRES_VIOLATION, ULTIMATE.startErr245REQUIRES_VIOLATION, ULTIMATE.startErr104REQUIRES_VIOLATION, ULTIMATE.startErr169REQUIRES_VIOLATION, ULTIMATE.startErr226REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr188REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr123REQUIRES_VIOLATION, ULTIMATE.startErr207REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr153REQUIRES_VIOLATION, ULTIMATE.startErr218REQUIRES_VIOLATION, ULTIMATE.startErr283REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr107REQUIRES_VIOLATION, ULTIMATE.startErr172REQUIRES_VIOLATION, ULTIMATE.startErr264REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr180REQUIRES_VIOLATION, ULTIMATE.startErr256REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr134REQUIRES_VIOLATION, ULTIMATE.startErr199REQUIRES_VIOLATION, ULTIMATE.startErr237REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr164REQUIRES_VIOLATION, ULTIMATE.startErr229REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr183REQUIRES_VIOLATION, ULTIMATE.startErr210REQUIRES_VIOLATION, ULTIMATE.startErr275REQUIRES_VIOLATION, ULTIMATE.startErr202REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr191REQUIRES_VIOLATION, ULTIMATE.startErr267REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr145REQUIRES_VIOLATION, ULTIMATE.startErr248REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr175REQUIRES_VIOLATION, ULTIMATE.startErr240REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr194REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr221REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr137REQUIRES_VIOLATION, ULTIMATE.startErr213REQUIRES_VIOLATION, ULTIMATE.startErr278REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr259REQUIRES_VIOLATION, ULTIMATE.startErr156REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr251REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr140REQUIRES_VIOLATION, ULTIMATE.startErr232REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr224REQUIRES_VIOLATION, ULTIMATE.startErr148REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr167REQUIRES_VIOLATION, ULTIMATE.startErr205REQUIRES_VIOLATION, ULTIMATE.startErr270REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr102REQUIRES_VIOLATION, ULTIMATE.startErr186REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr132REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr262REQUIRES_VIOLATION, ULTIMATE.startErr151REQUIRES_VIOLATION, ULTIMATE.startErr243REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr170REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr159REQUIRES_VIOLATION, ULTIMATE.startErr235REQUIRES_VIOLATION, ULTIMATE.startErr178REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr216REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr197REQUIRES_VIOLATION, ULTIMATE.startErr281REQUIRES_VIOLATION, ULTIMATE.startErr143REQUIRES_VIOLATION, ULTIMATE.startErr208REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr162REQUIRES_VIOLATION, ULTIMATE.startErr273REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr254REQUIRES_VIOLATION, ULTIMATE.startErr181REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr246REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr189REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr124REQUIRES_VIOLATION, ULTIMATE.startErr227REQUIRES_VIOLATION]=== [2020-12-09 10:23:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:23:29,675 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-09 10:23:29,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:23:29,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973704386] [2020-12-09 10:23:29,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 10:23:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:23:30,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 10:23:30,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:25:56,594 WARN L197 SmtUtils]: Spent 2.43 m on a formula simplification. DAG size of input: 3433 DAG size of output: 193 [2020-12-09 10:25:56,595 INFO L348 Elim1Store]: treesize reduction 62595, result has 0.6 percent of original size [2020-12-09 10:25:56,596 INFO L382 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 699 treesize of output 935 [2020-12-09 10:25:56,631 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 10:26:00,306 WARN L197 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 299 DAG size of output: 292 [2020-12-09 10:26:00,307 INFO L625 ElimStorePlain]: treesize reduction 194, result has 74.7 percent of original size [2020-12-09 10:26:00,405 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 2 disjuncts [2020-12-09 10:26:00,420 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,430 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,439 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,453 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,461 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,468 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,476 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,483 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,490 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,496 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,503 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,509 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,515 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,521 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,527 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,533 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,539 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,545 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,550 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,556 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,561 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,567 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,572 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,577 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,582 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,587 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,592 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,597 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,601 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,606 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,610 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,614 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,619 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,623 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,627 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,631 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,635 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,639 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,642 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,646 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,650 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,653 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,656 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:00,662 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 46 disjuncts [2020-12-09 10:26:00,679 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 90 disjuncts [2020-12-09 10:26:07,882 INFO L547 ElimStorePlain]: Start of recursive call 1: 45 dim-0 vars, 1 dim-1 vars, End of recursive call: 45 dim-0 vars, and 1 xjuncts. [2020-12-09 10:26:07,882 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 46 variables, input treesize:285, output treesize:595 [2020-12-09 10:26:07,933 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 2 disjuncts [2020-12-09 10:26:07,937 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,941 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,945 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,949 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,953 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,956 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,960 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,964 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,967 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,971 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,974 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,977 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,981 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,984 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,987 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,990 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,993 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,996 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:07,999 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,002 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,005 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,008 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,011 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,014 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,016 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,019 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,021 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,024 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,026 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,029 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,031 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,034 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,036 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,038 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,040 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,042 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,044 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,047 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,049 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,051 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,052 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,054 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,056 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:08,059 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 46 disjuncts [2020-12-09 10:26:08,069 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 90 disjuncts [2020-12-09 10:26:16,980 WARN L197 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 293 [2020-12-09 10:26:17,206 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 2 disjuncts [2020-12-09 10:26:17,211 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,216 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,220 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,224 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,228 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,232 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,236 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,240 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,244 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,248 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,251 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,255 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,258 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,264 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,267 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,271 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,274 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,277 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,280 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,283 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,287 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,290 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,293 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,295 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,298 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,301 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,304 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,307 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,310 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,313 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,315 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,318 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,320 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,323 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,325 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,328 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,330 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,332 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,334 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,337 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,339 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,341 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,343 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 10:26:17,346 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 46 disjuncts [2020-12-09 10:26:17,356 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 90 disjuncts [2020-12-09 10:26:24,150 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 395 [2020-12-09 10:26:27,892 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 559 [2020-12-09 10:26:36,855 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-09 10:26:36,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973704386] [2020-12-09 10:26:36,857 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-12-09 10:26:36,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [322011428] [2020-12-09 10:26:36,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt [2020-12-09 10:26:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:26:45,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 10:26:45,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:26:45,865 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken [2020-12-09 10:26:45,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98236449] [2020-12-09 10:26:45,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cefec032-5d92-4e6e-8a9d-1a39a8a09db1/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:26:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:26:46,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 10:26:46,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:26:46,195 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken [2020-12-09 10:26:46,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:26:46,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-09 10:26:46,195 ERROR L205 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2020-12-09 10:26:46,195 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 10:26:46,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 cvc4 --incremental --print-success --lang smt [2020-12-09 10:26:46,828 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-09 10:26:46,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:26:46 BoogieIcfgContainer [2020-12-09 10:26:46,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:26:46,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:26:46,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:26:46,829 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:26:46,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:23:29" (3/4) ... [2020-12-09 10:26:46,831 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 10:26:46,831 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:26:46,832 INFO L168 Benchmark]: Toolchain (without parser) took 205507.44 ms. Allocated memory was 62.9 MB in the beginning and 989.9 MB in the end (delta: 926.9 MB). Free memory was 39.5 MB in the beginning and 672.4 MB in the end (delta: -633.0 MB). Peak memory consumption was 293.9 MB. Max. memory is 16.1 GB. [2020-12-09 10:26:46,832 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:26:46,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1591.59 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 39.3 MB in the beginning and 38.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:26:46,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.69 ms. Allocated memory is still 98.6 MB. Free memory was 38.1 MB in the beginning and 59.2 MB in the end (delta: -21.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:26:46,834 INFO L168 Benchmark]: Boogie Preprocessor took 82.05 ms. Allocated memory is still 98.6 MB. Free memory was 59.2 MB in the beginning and 48.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:26:46,834 INFO L168 Benchmark]: RCFGBuilder took 6461.61 ms. Allocated memory was 98.6 MB in the beginning and 222.3 MB in the end (delta: 123.7 MB). Free memory was 48.7 MB in the beginning and 57.7 MB in the end (delta: -8.9 MB). Peak memory consumption was 124.2 MB. Max. memory is 16.1 GB. [2020-12-09 10:26:46,835 INFO L168 Benchmark]: TraceAbstraction took 197241.76 ms. Allocated memory was 222.3 MB in the beginning and 989.9 MB in the end (delta: 767.6 MB). Free memory was 56.6 MB in the beginning and 673.5 MB in the end (delta: -616.8 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:26:46,835 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 989.9 MB. Free memory was 673.5 MB in the beginning and 672.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:26:46,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 45.7 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1591.59 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 39.3 MB in the beginning and 38.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 121.69 ms. Allocated memory is still 98.6 MB. Free memory was 38.1 MB in the beginning and 59.2 MB in the end (delta: -21.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.05 ms. Allocated memory is still 98.6 MB. Free memory was 59.2 MB in the beginning and 48.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6461.61 ms. Allocated memory was 98.6 MB in the beginning and 222.3 MB in the end (delta: 123.7 MB). Free memory was 48.7 MB in the beginning and 57.7 MB in the end (delta: -8.9 MB). Peak memory consumption was 124.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 197241.76 ms. Allocated memory was 222.3 MB in the beginning and 989.9 MB in the end (delta: 767.6 MB). Free memory was 56.6 MB in the beginning and 673.5 MB in the end (delta: -616.8 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.1 GB. * Witness Printer took 2.79 ms. Allocated memory is still 989.9 MB. Free memory was 673.5 MB in the beginning and 672.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4153]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 1474. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2724] int err; [L2726] current_execution_context = 1 [L2664] int i; [L4153] lock->init = 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 781 locations, 287 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 197.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=781occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...