./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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 8162bcef65d23605dfdf18ce0738860c2bd703cf ............................................................................................................................................. 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_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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 8162bcef65d23605dfdf18ce0738860c2bd703cf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:27:19,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:27:19,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:27:19,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:27:19,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:27:19,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:27:19,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:27:19,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:27:19,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:27:19,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:27:19,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:27:19,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:27:19,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:27:19,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:27:19,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:27:19,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:27:19,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:27:19,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:27:19,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:27:19,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:27:19,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:27:19,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:27:19,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:27:19,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:27:19,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:27:19,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:27:19,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:27:19,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:27:19,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:27:19,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:27:19,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:27:19,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:27:19,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:27:19,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:27:19,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:27:19,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:27:19,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:27:19,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:27:19,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:27:19,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:27:19,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:27:19,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 14:27:19,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:27:19,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:27:19,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:27:19,649 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:27:19,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:27:19,649 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:27:19,649 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 14:27:19,649 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:27:19,649 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:27:19,650 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 14:27:19,650 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 14:27:19,650 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:27:19,650 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 14:27:19,650 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 14:27:19,650 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 14:27:19,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 14:27:19,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 14:27:19,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:27:19,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:27:19,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 14:27:19,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:27:19,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:27:19,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:27:19,652 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 14:27:19,653 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 14:27:19,653 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 14:27:19,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:27:19,653 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:27:19,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:27:19,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:27:19,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:27:19,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:27:19,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:27:19,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:27:19,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:27:19,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 14:27:19,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 14:27:19,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:27:19,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:27:19,655 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_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8162bcef65d23605dfdf18ce0738860c2bd703cf [2020-12-09 14:27:19,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:27:19,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:27:19,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:27:19,861 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:27:19,862 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:27:19,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2020-12-09 14:27:19,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/4cbfd7dac/931994b5c14e49ea9a78a4869929a9f3/FLAG3f83ea698 [2020-12-09 14:27:20,413 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:27:20,413 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2020-12-09 14:27:20,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/4cbfd7dac/931994b5c14e49ea9a78a4869929a9f3/FLAG3f83ea698 [2020-12-09 14:27:20,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/4cbfd7dac/931994b5c14e49ea9a78a4869929a9f3 [2020-12-09 14:27:20,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:27:20,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:27:20,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:27:20,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:27:20,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:27:20,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:27:20" (1/1) ... [2020-12-09 14:27:20,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71185c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:20, skipping insertion in model container [2020-12-09 14:27:20,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:27:20" (1/1) ... [2020-12-09 14:27:20,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:27:21,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:27:21,128 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_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2020-12-09 14:27:21,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:27:21,908 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 14:27:21,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b3afa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:21, skipping insertion in model container [2020-12-09 14:27:21,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:27:21,909 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 14:27:21,911 INFO L168 Benchmark]: Toolchain (without parser) took 960.39 ms. Allocated memory is still 92.3 MB. Free memory was 68.8 MB in the beginning and 51.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-12-09 14:27:21,911 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 92.3 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:27:21,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 958.96 ms. Allocated memory is still 92.3 MB. Free memory was 68.8 MB in the beginning and 51.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-12-09 14:27:21,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 92.3 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 958.96 ms. Allocated memory is still 92.3 MB. Free memory was 68.8 MB in the beginning and 51.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 32.9 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 14:27:23,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 14:27:23,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 14:27:23,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 14:27:23,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 14:27:23,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 14:27:23,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 14:27:23,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 14:27:23,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 14:27:23,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 14:27:23,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 14:27:23,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 14:27:23,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 14:27:23,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 14:27:23,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 14:27:23,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 14:27:23,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 14:27:23,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 14:27:23,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 14:27:23,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 14:27:23,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 14:27:23,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 14:27:23,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 14:27:23,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 14:27:23,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 14:27:23,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 14:27:23,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 14:27:23,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 14:27:23,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 14:27:23,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 14:27:23,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 14:27:23,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 14:27:23,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 14:27:23,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 14:27:23,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 14:27:23,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 14:27:23,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 14:27:23,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 14:27:23,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 14:27:23,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 14:27:23,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 14:27:23,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 14:27:23,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 14:27:23,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 14:27:23,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 14:27:23,294 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 14:27:23,294 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 14:27:23,294 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 14:27:23,294 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 14:27:23,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 14:27:23,294 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 14:27:23,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 14:27:23,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 14:27:23,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 14:27:23,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 14:27:23,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 14:27:23,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 14:27:23,297 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 14:27:23,297 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 14:27:23,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 14:27:23,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 14:27:23,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 14:27:23,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 14:27:23,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 14:27:23,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 14:27:23,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 14:27:23,298 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 14:27:23,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 14:27:23,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 14:27:23,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 14:27:23,298 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_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8162bcef65d23605dfdf18ce0738860c2bd703cf [2020-12-09 14:27:23,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 14:27:23,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 14:27:23,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 14:27:23,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 14:27:23,538 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 14:27:23,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2020-12-09 14:27:23,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/96676daa6/a7c2346a7c424f17937308c0b1ff5861/FLAGdea7f4661 [2020-12-09 14:27:24,124 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 14:27:24,124 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2020-12-09 14:27:24,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/96676daa6/a7c2346a7c424f17937308c0b1ff5861/FLAGdea7f4661 [2020-12-09 14:27:24,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/bin/utaipan/data/96676daa6/a7c2346a7c424f17937308c0b1ff5861 [2020-12-09 14:27:24,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 14:27:24,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 14:27:24,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 14:27:24,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 14:27:24,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 14:27:24,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:27:24" (1/1) ... [2020-12-09 14:27:24,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd85c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:24, skipping insertion in model container [2020-12-09 14:27:24,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:27:24" (1/1) ... [2020-12-09 14:27:24,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 14:27:24,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:27:24,576 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_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2020-12-09 14:27:25,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:27:25,378 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 14:27:25,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 14:27:25,421 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_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2020-12-09 14:27:25,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:27:25,580 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 14:27:25,588 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_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i[458,471] [2020-12-09 14:27:25,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 14:27:26,057 INFO L208 MainTranslator]: Completed translation [2020-12-09 14:27:26,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26 WrapperNode [2020-12-09 14:27:26,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 14:27:26,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 14:27:26,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 14:27:26,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 14:27:26,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 14:27:26,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 14:27:26,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 14:27:26,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 14:27:26,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... [2020-12-09 14:27:26,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 14:27:26,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 14:27:26,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 14:27:26,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 14:27:26,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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 14:27:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 14:27:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2020-12-09 14:27:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 14:27:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-09 14:27:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 14:27:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 14:27:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 14:27:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-12-09 14:27:32,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 14:27:32,428 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2020-12-09 14:27:32,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:27:32 BoogieIcfgContainer [2020-12-09 14:27:32,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 14:27:32,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 14:27:32,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 14:27:32,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 14:27:32,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:27:24" (1/3) ... [2020-12-09 14:27:32,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcc071d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:27:32, skipping insertion in model container [2020-12-09 14:27:32,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:27:26" (2/3) ... [2020-12-09 14:27:32,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcc071d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:27:32, skipping insertion in model container [2020-12-09 14:27:32,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:27:32" (3/3) ... [2020-12-09 14:27:32,435 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2020-12-09 14:27:32,444 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 14:27:32,447 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 287 error locations. [2020-12-09 14:27:32,454 INFO L253 AbstractCegarLoop]: Starting to check reachability of 287 error locations. [2020-12-09 14:27:32,467 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 14:27:32,467 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 14:27:32,467 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 14:27:32,468 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 14:27:32,468 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 14:27:32,468 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 14:27:32,468 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 14:27:32,468 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 14:27:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states. [2020-12-09 14:27:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-09 14:27:32,501 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 14:27:32,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-09 14:27:32,502 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 14:27:32,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 14:27:32,506 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-09 14:27:32,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 14:27:32,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773578743] [2020-12-09 14:27:32,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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 14:27:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:27:33,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 14:27:33,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:29:38,970 WARN L197 SmtUtils]: Spent 2.09 m on a formula simplification. DAG size of input: 3433 DAG size of output: 193 [2020-12-09 14:29:38,972 INFO L348 Elim1Store]: treesize reduction 62595, result has 0.6 percent of original size [2020-12-09 14:29:38,972 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 14:29:39,011 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 14:29:42,514 WARN L197 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 299 DAG size of output: 292 [2020-12-09 14:29:42,515 INFO L625 ElimStorePlain]: treesize reduction 194, result has 74.7 percent of original size [2020-12-09 14:29:42,610 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 2 disjuncts [2020-12-09 14:29:42,625 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,636 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,645 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,653 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,660 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,667 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,674 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,680 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,686 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,692 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,698 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,704 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,710 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,715 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,720 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,726 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,734 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,739 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,744 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,749 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,754 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,759 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,763 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,768 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,773 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,777 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,781 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,786 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,790 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,794 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,798 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,802 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,806 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,810 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,814 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,817 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,821 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,825 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,828 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,832 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,836 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,839 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,842 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:42,848 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 46 disjuncts [2020-12-09 14:29:42,864 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 90 disjuncts [2020-12-09 14:29:49,810 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 14:29:49,811 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 46 variables, input treesize:285, output treesize:595 [2020-12-09 14:29:49,856 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 2 disjuncts [2020-12-09 14:29:49,861 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,865 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,869 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,873 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,877 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,880 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,884 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,889 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,892 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,896 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,899 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,902 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,905 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,908 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,911 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,914 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,917 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,920 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,923 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,926 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,929 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,932 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,934 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,937 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,940 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,942 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,945 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,947 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,950 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,952 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,955 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,957 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,959 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,961 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,963 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,965 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,967 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,970 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,972 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,973 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,975 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,977 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,979 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:49,982 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 46 disjuncts [2020-12-09 14:29:49,991 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 90 disjuncts [2020-12-09 14:29:58,777 WARN L197 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 293 [2020-12-09 14:29:58,997 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 2 disjuncts [2020-12-09 14:29:59,002 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,006 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,010 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,014 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,018 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,022 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,026 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,029 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,033 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,036 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,040 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,043 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,047 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,050 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,054 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,057 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,060 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,063 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,066 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,069 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,072 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,075 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,078 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,081 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,084 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,086 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,089 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,092 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,094 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,097 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,099 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,102 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,104 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,107 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,109 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,111 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,114 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,116 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,118 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,120 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,122 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,124 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,126 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 3 disjuncts [2020-12-09 14:29:59,130 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 46 disjuncts [2020-12-09 14:29:59,140 INFO L639 QuantifierPusher]: Distributing 47 conjuncts over 90 disjuncts [2020-12-09 14:30:05,767 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 395 [2020-12-09 14:30:09,353 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 559 [2020-12-09 14:30:20,806 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-09 14:30:20,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773578743] [2020-12-09 14:30:20,808 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 14:30:20,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2126433766] [2020-12-09 14:30:20,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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 14:30:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:30:24,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 14:30:24,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:30:24,265 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 14:30:24,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922359083] [2020-12-09 14:30:24,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ffb7a60-538b-4a58-99a4-14fdf2b26c15/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 14:30:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 14:30:24,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 14:30:24,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 14:30:24,508 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 14:30:24,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-09 14:30:24,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-09 14:30:24,508 ERROR L205 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2020-12-09 14:30:24,509 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 14:30:25,114 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 14:30:25,131 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-09 14:30:25,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:30:25 BoogieIcfgContainer [2020-12-09 14:30:25,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:30:25,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:30:25,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:30:25,132 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:30:25,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:27:32" (3/4) ... [2020-12-09 14:30:25,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 14:30:25,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:30:25,135 INFO L168 Benchmark]: Toolchain (without parser) took 180774.46 ms. Allocated memory was 56.6 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 30.7 MB in the beginning and 693.0 MB in the end (delta: -662.3 MB). Peak memory consumption was 388.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:30:25,136 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:30:25,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1695.82 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 30.5 MB in the beginning and 61.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-12-09 14:30:25,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.68 ms. Allocated memory is still 100.7 MB. Free memory was 61.6 MB in the beginning and 49.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 14:30:25,137 INFO L168 Benchmark]: Boogie Preprocessor took 130.89 ms. Allocated memory is still 100.7 MB. Free memory was 49.5 MB in the beginning and 61.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-12-09 14:30:25,138 INFO L168 Benchmark]: RCFGBuilder took 6095.02 ms. Allocated memory was 100.7 MB in the beginning and 222.3 MB in the end (delta: 121.6 MB). Free memory was 61.2 MB in the beginning and 79.4 MB in the end (delta: -18.3 MB). Peak memory consumption was 137.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:30:25,138 INFO L168 Benchmark]: TraceAbstraction took 172700.10 ms. Allocated memory was 222.3 MB in the beginning and 1.1 GB in the end (delta: 885.0 MB). Free memory was 79.4 MB in the beginning and 693.0 MB in the end (delta: -613.6 MB). Peak memory consumption was 272.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:30:25,139 INFO L168 Benchmark]: Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 693.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:30:25,141 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 56.6 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1695.82 ms. Allocated memory was 56.6 MB in the beginning and 100.7 MB in the end (delta: 44.0 MB). Free memory was 30.5 MB in the beginning and 61.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 144.68 ms. Allocated memory is still 100.7 MB. Free memory was 61.6 MB in the beginning and 49.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 130.89 ms. Allocated memory is still 100.7 MB. Free memory was 49.5 MB in the beginning and 61.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6095.02 ms. Allocated memory was 100.7 MB in the beginning and 222.3 MB in the end (delta: 121.6 MB). Free memory was 61.2 MB in the beginning and 79.4 MB in the end (delta: -18.3 MB). Peak memory consumption was 137.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 172700.10 ms. Allocated memory was 222.3 MB in the beginning and 1.1 GB in the end (delta: 885.0 MB). Free memory was 79.4 MB in the beginning and 693.0 MB in the end (delta: -613.6 MB). Peak memory consumption was 272.5 MB. Max. memory is 16.1 GB. * Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 693.0 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: 172.6s, 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...