./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.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_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI --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 c5e00b9cd3876aa8df4263099f6b8339445d38f8 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI --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 c5e00b9cd3876aa8df4263099f6b8339445d38f8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:45,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:45,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:45,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:45,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:45,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:45,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:45,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:45,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:45,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:45,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:45,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:45,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:45,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:45,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:45,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:45,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:45,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:45,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:45,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:45,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:45,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:45,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:45,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:45,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:45,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:45,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:45,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:45,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:45,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:45,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:45,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:45,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:45,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:45,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:45,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:45,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:45,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:45,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:45,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:45,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:45,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:30:45,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:45,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:45,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:45,650 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:45,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:45,651 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:45,651 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:45,651 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:45,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:45,652 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:45,652 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:45,652 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:45,652 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:45,652 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:45,653 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:45,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:30:45,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:30:45,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:45,654 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:45,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:30:45,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:45,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:45,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:45,655 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:30:45,655 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:30:45,655 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:30:45,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:45,656 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:45,656 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:45,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:45,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:45,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:45,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:45,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:45,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:45,657 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:45,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:45,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:45,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:45,658 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2021-10-11 02:30:45,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:45,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:45,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:45,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:45,955 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:45,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2021-10-11 02:30:46,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/e853b0751/27c3360972f4419aa5672ee506331f47/FLAG67b6a66fe [2021-10-11 02:30:46,555 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:46,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2021-10-11 02:30:46,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/e853b0751/27c3360972f4419aa5672ee506331f47/FLAG67b6a66fe [2021-10-11 02:30:46,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/e853b0751/27c3360972f4419aa5672ee506331f47 [2021-10-11 02:30:46,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:46,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:46,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:46,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:46,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:46,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:46" (1/1) ... [2021-10-11 02:30:46,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511995d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:46, skipping insertion in model container [2021-10-11 02:30:46,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:46" (1/1) ... [2021-10-11 02:30:46,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:46,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:47,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:47,260 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:30:47,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@89cee23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:47, skipping insertion in model container [2021-10-11 02:30:47,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:47,261 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:47,264 INFO L168 Benchmark]: Toolchain (without parser) took 382.18 ms. Allocated memory is still 96.5 MB. Free memory was 63.5 MB in the beginning and 70.4 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:47,265 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory was 48.8 MB in the beginning and 48.7 MB in the end (delta: 102.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:47,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.71 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 70.4 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:47,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory was 48.8 MB in the beginning and 48.7 MB in the end (delta: 102.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.71 ms. Allocated memory is still 96.5 MB. Free memory was 63.2 MB in the beginning and 70.4 MB in the end (delta: -7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: 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 [2021-10-11 02:30:49,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:49,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:49,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:49,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:49,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:49,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:49,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:49,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:49,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:49,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:49,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:49,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:49,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:49,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:49,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:49,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:49,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:49,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:49,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:49,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:49,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:49,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:49,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:49,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:49,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:49,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:49,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:49,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:49,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:49,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:49,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:49,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:49,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:49,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:49,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:49,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:49,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:49,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:49,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:49,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:49,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:49,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:49,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:49,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:49,510 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:49,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:49,511 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:49,511 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:49,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:49,512 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:49,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:30:49,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:30:49,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:49,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:49,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:30:49,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:49,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:49,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:49,516 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:30:49,516 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:30:49,516 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:30:49,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:49,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:49,517 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:49,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:49,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:49,517 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:49,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:49,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:49,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:49,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:49,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:49,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:49,519 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:49,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:49,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:49,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:49,520 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2021-10-11 02:30:49,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:49,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:49,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:49,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:49,934 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:49,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2021-10-11 02:30:50,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/07a910055/323658e6e970487ead8e0fd33f298bfb/FLAG860117780 [2021-10-11 02:30:50,659 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:50,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2021-10-11 02:30:50,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/07a910055/323658e6e970487ead8e0fd33f298bfb/FLAG860117780 [2021-10-11 02:30:50,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/data/07a910055/323658e6e970487ead8e0fd33f298bfb [2021-10-11 02:30:50,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:50,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:50,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:50,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:50,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:50,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:50" (1/1) ... [2021-10-11 02:30:50,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b7dfeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:50, skipping insertion in model container [2021-10-11 02:30:50,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:50" (1/1) ... [2021-10-11 02:30:50,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:51,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:51,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:51,335 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:51,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:51,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:51,432 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:51,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:51,523 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:51,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51 WrapperNode [2021-10-11 02:30:51,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:51,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:51,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:51,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:51,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:51,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:51,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:51,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:51,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... [2021-10-11 02:30:51,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:51,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:51,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:51,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:51,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:30:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:30:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:30:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:51,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:52,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:52,112 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-11 02:30:52,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:52 BoogieIcfgContainer [2021-10-11 02:30:52,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:52,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:52,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:52,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:52,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:50" (1/3) ... [2021-10-11 02:30:52,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aba2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:52, skipping insertion in model container [2021-10-11 02:30:52,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:51" (2/3) ... [2021-10-11 02:30:52,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aba2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:52, skipping insertion in model container [2021-10-11 02:30:52,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:52" (3/3) ... [2021-10-11 02:30:52,121 INFO L111 eAbstractionObserver]: Analyzing ICFG array-realloc-3.i [2021-10-11 02:30:52,138 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:52,140 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:52,148 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:52,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:52,165 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:30:52,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:52,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:52,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:52,165 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:52,165 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:52,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2021-10-11 02:30:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:30:52,180 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:52,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:30:52,181 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:30:52,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:52,186 INFO L82 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2021-10-11 02:30:52,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:52,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390030796] [2021-10-11 02:30:52,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:52,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:52,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:52,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:52,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390030796] [2021-10-11 02:30:52,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:52,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:52,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666621113] [2021-10-11 02:30:52,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:52,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:52,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:52,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:52,387 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2021-10-11 02:30:52,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:52,434 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2021-10-11 02:30:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:52,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-10-11 02:30:52,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:52,443 INFO L225 Difference]: With dead ends: 18 [2021-10-11 02:30:52,443 INFO L226 Difference]: Without dead ends: 15 [2021-10-11 02:30:52,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:52,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-11 02:30:52,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-11 02:30:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-11 02:30:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-11 02:30:52,474 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 4 [2021-10-11 02:30:52,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:52,474 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-11 02:30:52,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-11 02:30:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:30:52,475 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:52,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:30:52,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:52,691 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:30:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:52,692 INFO L82 PathProgramCache]: Analyzing trace with hash 28695810, now seen corresponding path program 1 times [2021-10-11 02:30:52,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:52,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682900501] [2021-10-11 02:30:52,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:52,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:30:52,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:52,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:52,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682900501] [2021-10-11 02:30:52,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:52,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:52,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64562031] [2021-10-11 02:30:52,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:52,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:52,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:52,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:52,784 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2021-10-11 02:30:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:52,791 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2021-10-11 02:30:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:52,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-10-11 02:30:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:52,792 INFO L225 Difference]: With dead ends: 15 [2021-10-11 02:30:52,792 INFO L226 Difference]: Without dead ends: 15 [2021-10-11 02:30:52,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:52,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-11 02:30:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-11 02:30:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-11 02:30:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-10-11 02:30:52,796 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2021-10-11 02:30:52,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:52,796 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-10-11 02:30:52,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-10-11 02:30:52,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:30:52,797 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:52,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:53,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,019 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:30:53,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:53,020 INFO L82 PathProgramCache]: Analyzing trace with hash 179641051, now seen corresponding path program 1 times [2021-10-11 02:30:53,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:53,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455479201] [2021-10-11 02:30:53,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:53,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:53,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:53,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:53,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455479201] [2021-10-11 02:30:53,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:53,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:53,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518053255] [2021-10-11 02:30:53,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:53,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:53,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:53,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:53,156 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 4 states. [2021-10-11 02:30:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:53,193 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-10-11 02:30:53,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:53,194 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 02:30:53,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:53,194 INFO L225 Difference]: With dead ends: 16 [2021-10-11 02:30:53,194 INFO L226 Difference]: Without dead ends: 16 [2021-10-11 02:30:53,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:53,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-11 02:30:53,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-11 02:30:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 02:30:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-10-11 02:30:53,198 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2021-10-11 02:30:53,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:53,198 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-10-11 02:30:53,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-10-11 02:30:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:30:53,201 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:53,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:53,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,412 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:30:53,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 179688781, now seen corresponding path program 1 times [2021-10-11 02:30:53,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:53,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680167830] [2021-10-11 02:30:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:53,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:53,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:53,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:53,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680167830] [2021-10-11 02:30:53,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:53,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:53,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488792572] [2021-10-11 02:30:53,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:53,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:53,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:53,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:53,522 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 5 states. [2021-10-11 02:30:53,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:53,578 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2021-10-11 02:30:53,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:53,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2021-10-11 02:30:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:53,579 INFO L225 Difference]: With dead ends: 27 [2021-10-11 02:30:53,580 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 02:30:53,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:30:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 02:30:53,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2021-10-11 02:30:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-11 02:30:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2021-10-11 02:30:53,587 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 8 [2021-10-11 02:30:53,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:53,587 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-10-11 02:30:53,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-10-11 02:30:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:30:53,590 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:53,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:53,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,805 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:30:53,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:53,806 INFO L82 PathProgramCache]: Analyzing trace with hash 179690703, now seen corresponding path program 1 times [2021-10-11 02:30:53,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:53,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568678608] [2021-10-11 02:30:53,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:53,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:30:53,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:53,930 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:30:53,931 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2021-10-11 02:30:53,935 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:30:53,955 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2021-10-11 02:30:53,958 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:30:53,959 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2021-10-11 02:30:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:53,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:53,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568678608] [2021-10-11 02:30:53,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:53,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:53,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998582585] [2021-10-11 02:30:53,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:53,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:53,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:53,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:53,973 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2021-10-11 02:30:54,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:54,033 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-10-11 02:30:54,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:54,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 02:30:54,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:54,035 INFO L225 Difference]: With dead ends: 16 [2021-10-11 02:30:54,035 INFO L226 Difference]: Without dead ends: 16 [2021-10-11 02:30:54,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:54,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-11 02:30:54,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-11 02:30:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 02:30:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-10-11 02:30:54,038 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2021-10-11 02:30:54,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:54,039 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-10-11 02:30:54,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:54,039 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-10-11 02:30:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:30:54,039 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:54,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:54,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,250 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:30:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash 179690704, now seen corresponding path program 1 times [2021-10-11 02:30:54,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:54,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496445602] [2021-10-11 02:30:54,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:54,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:30:54,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:54,344 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-10-11 02:30:54,344 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:30:54,353 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:30:54,354 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:30:54,355 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2021-10-11 02:30:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:54,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:54,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496445602] [2021-10-11 02:30:54,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:54,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:54,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52753038] [2021-10-11 02:30:54,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:54,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:54,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:54,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:54,397 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2021-10-11 02:30:54,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:54,574 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2021-10-11 02:30:54,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:54,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2021-10-11 02:30:54,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:54,575 INFO L225 Difference]: With dead ends: 24 [2021-10-11 02:30:54,575 INFO L226 Difference]: Without dead ends: 24 [2021-10-11 02:30:54,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:30:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-11 02:30:54,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2021-10-11 02:30:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-10-11 02:30:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-10-11 02:30:54,579 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 8 [2021-10-11 02:30:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:54,580 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-10-11 02:30:54,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-10-11 02:30:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 02:30:54,581 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:54,581 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:54,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,790 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:30:54,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:54,790 INFO L82 PathProgramCache]: Analyzing trace with hash 702944005, now seen corresponding path program 1 times [2021-10-11 02:30:54,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:54,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729143522] [2021-10-11 02:30:54,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eda5b95-76a2-4bb3-86a4-30fa04577eda/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:54,874 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:54,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:54,952 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:54,952 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:55,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:55,165 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,166 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,166 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,167 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,168 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,168 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,168 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,169 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,185 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,185 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,185 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,185 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,186 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,186 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,186 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,186 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,187 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,187 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,187 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,188 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,188 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,188 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,189 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,189 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,189 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,189 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,190 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,190 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,190 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,191 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,191 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2021-10-11 02:30:55,191 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2021-10-11 02:30:55,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:55 BoogieIcfgContainer [2021-10-11 02:30:55,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:55,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:55,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:55,210 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:55,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:52" (3/4) ... [2021-10-11 02:30:55,213 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:30:55,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:55,215 INFO L168 Benchmark]: Toolchain (without parser) took 4292.63 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 49.1 MB in the beginning and 53.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,215 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:55,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.22 ms. Allocated memory is still 67.1 MB. Free memory was 48.8 MB in the beginning and 37.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.04 ms. Allocated memory is still 67.1 MB. Free memory was 37.1 MB in the beginning and 35.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,217 INFO L168 Benchmark]: Boogie Preprocessor took 27.48 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,218 INFO L168 Benchmark]: RCFGBuilder took 514.43 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 33.6 MB in the beginning and 50.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,219 INFO L168 Benchmark]: TraceAbstraction took 3093.44 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 49.9 MB in the beginning and 53.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:55,219 INFO L168 Benchmark]: Witness Printer took 4.34 ms. Allocated memory is still 98.6 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:55,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 49.7 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 601.22 ms. Allocated memory is still 67.1 MB. Free memory was 48.8 MB in the beginning and 37.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.04 ms. Allocated memory is still 67.1 MB. Free memory was 37.1 MB in the beginning and 35.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.48 ms. Allocated memory is still 67.1 MB. Free memory was 35.1 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 514.43 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 33.6 MB in the beginning and 50.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3093.44 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 49.9 MB in the beginning and 53.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.34 ms. Allocated memory is still 98.6 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 525]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 525. Possible FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; VAL [i=1, ind=0, newsize=0, num=0] [L526] num = __VERIFIER_nondet_int() [L527] COND FALSE !(!(num > 0 && num < 100)) [L530] int *a = (int *)malloc(sizeof(int)); VAL [i=1, ind=0, newsize=0, num=1] [L531] COND FALSE !(a == ((void *)0)) [L534] newsize = 0 [L515] int *a = (int *)arg; VAL [i=1, ind=0, newsize=0, num=1] [L516] COND TRUE newsize < num [L517] newsize = newsize + 1 [L518] int *b = ((void *)0); [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i VAL [i=1, ind=0, newsize=1, num=1] [L521] a = b VAL [i=1, ind=0, newsize=1, num=1] [L516] COND FALSE !(newsize < num) VAL [i=1, ind=0, newsize=1, num=1] [L523] return 0; VAL [i=1, ind=0, newsize=1, num=1] [L536] return 0; VAL [i=1, ind=0, newsize=1, num=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 107 SDslu, 65 SDs, 0 SdLazy, 94 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 777 SizeOfPredicates, 13 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...