./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-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5e00b9cd3876aa8df4263099f6b8339445d38f8 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 [2020-12-09 10:39:37,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:39:37,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:39:37,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:39:37,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:39:37,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:39:37,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:39:37,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:39:37,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:39:37,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:39:37,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:39:37,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:39:37,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:39:37,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:39:37,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:39:37,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:39:37,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:39:37,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:39:37,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:39:37,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:39:37,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:39:37,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:39:37,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:39:37,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:39:37,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:39:37,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:39:37,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:39:37,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:39:37,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:39:37,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:39:37,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:39:37,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:39:37,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:39:37,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:39:37,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:39:37,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:39:37,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:39:37,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:39:37,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:39:37,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:39:37,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:39:37,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 10:39:37,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:39:37,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:39:37,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:39:37,276 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:39:37,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:39:37,277 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:39:37,277 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:39:37,278 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:39:37,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 10:39:37,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 10:39:37,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:39:37,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:39:37,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:39:37,279 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:39:37,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:39:37,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:39:37,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:39:37,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:39:37,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:39:37,280 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:39:37,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:39:37,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:39:37,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:39:37,281 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2020-12-09 10:39:37,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:39:37,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:39:37,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:39:37,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:39:37,489 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:39:37,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-12-09 10:39:37,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/e0dcd0a72/5dfb0c9b479a4b66860dce6bffe5cee2/FLAG6e33e6694 [2020-12-09 10:39:37,934 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:39:37,934 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-12-09 10:39:37,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/e0dcd0a72/5dfb0c9b479a4b66860dce6bffe5cee2/FLAG6e33e6694 [2020-12-09 10:39:37,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/e0dcd0a72/5dfb0c9b479a4b66860dce6bffe5cee2 [2020-12-09 10:39:37,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:39:37,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:39:37,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:39:37,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:39:37,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:39:37,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:39:37" (1/1) ... [2020-12-09 10:39:37,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b38fa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:37, skipping insertion in model container [2020-12-09 10:39:37,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:39:37" (1/1) ... [2020-12-09 10:39:37,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:39:37,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:39:38,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:39:38,182 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-12-09 10:39:38,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29790843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:38, skipping insertion in model container [2020-12-09 10:39:38,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:39:38,183 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 10:39:38,185 INFO L168 Benchmark]: Toolchain (without parser) took 228.27 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 55.1 MB in the beginning and 104.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 10:39:38,185 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 86.0 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:39:38,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.41 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 54.8 MB in the beginning and 104.6 MB in the end (delta: -49.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 10:39:38,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 86.0 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 226.41 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 54.8 MB in the beginning and 104.6 MB in the end (delta: -49.7 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 [2020-12-09 10:39:39,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:39:39,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:39:39,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:39:39,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:39:39,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:39:39,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:39:39,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:39:39,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:39:39,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:39:39,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:39:39,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:39:39,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:39:39,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:39:39,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:39:39,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:39:39,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:39:39,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:39:39,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:39:39,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:39:39,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:39:39,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:39:39,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:39:39,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:39:39,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:39:39,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:39:39,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:39:39,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:39:39,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:39:39,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:39:39,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:39:39,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:39:39,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:39:39,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:39:39,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:39:39,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:39:39,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:39:39,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:39:39,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:39:39,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:39:39,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:39:39,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 10:39:39,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:39:39,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:39:39,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:39:39,634 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:39:39,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:39:39,634 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:39:39,635 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:39:39,635 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:39:39,635 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:39:39,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 10:39:39,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 10:39:39,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:39:39,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:39:39,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 10:39:39,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:39:39,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:39:39,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:39:39,637 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 10:39:39,637 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 10:39:39,637 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 10:39:39,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:39:39,637 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:39:39,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 10:39:39,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 10:39:39,638 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:39:39,638 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:39:39,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:39:39,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 10:39:39,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:39:39,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:39:39,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:39:39,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:39:39,643 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 10:39:39,643 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 10:39:39,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:39:39,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:39:39,644 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e00b9cd3876aa8df4263099f6b8339445d38f8 [2020-12-09 10:39:39,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:39:39,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:39:39,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:39:39,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:39:39,900 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:39:39,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-12-09 10:39:39,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/b21af35c5/807ec62b08e94ff19d97069e0727c06b/FLAG9c9e16a3a [2020-12-09 10:39:40,366 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:39:40,366 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2020-12-09 10:39:40,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/b21af35c5/807ec62b08e94ff19d97069e0727c06b/FLAG9c9e16a3a [2020-12-09 10:39:40,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/data/b21af35c5/807ec62b08e94ff19d97069e0727c06b [2020-12-09 10:39:40,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:39:40,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:39:40,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:39:40,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:39:40,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:39:40,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6a4c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40, skipping insertion in model container [2020-12-09 10:39:40,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:39:40,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:39:40,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:39:40,645 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 10:39:40,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:39:40,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:39:40,684 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:39:40,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:39:40,755 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:39:40,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40 WrapperNode [2020-12-09 10:39:40,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:39:40,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:39:40,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:39:40,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:39:40,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:39:40,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:39:40,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:39:40,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:39:40,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... [2020-12-09 10:39:40,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:39:40,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:39:40,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:39:40,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:39:40,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:39:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 10:39:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 10:39:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 10:39:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:39:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:39:41,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:39:41,070 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 10:39:41,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:39:41 BoogieIcfgContainer [2020-12-09 10:39:41,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:39:41,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:39:41,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:39:41,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:39:41,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:39:40" (1/3) ... [2020-12-09 10:39:41,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e6e29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:39:41, skipping insertion in model container [2020-12-09 10:39:41,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:39:40" (2/3) ... [2020-12-09 10:39:41,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e6e29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:39:41, skipping insertion in model container [2020-12-09 10:39:41,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:39:41" (3/3) ... [2020-12-09 10:39:41,077 INFO L111 eAbstractionObserver]: Analyzing ICFG array-realloc-3.i [2020-12-09 10:39:41,086 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:39:41,088 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 10:39:41,097 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 10:39:41,115 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:39:41,115 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 10:39:41,116 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:39:41,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:39:41,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:39:41,116 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:39:41,116 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:39:41,116 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:39:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-12-09 10:39:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 10:39:41,129 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:39:41,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 10:39:41,130 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 10:39:41,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:39:41,134 INFO L82 PathProgramCache]: Analyzing trace with hash 925638, now seen corresponding path program 1 times [2020-12-09 10:39:41,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:39:41,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966171719] [2020-12-09 10:39:41,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 10:39:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:39:41,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:39:41,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:39:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:39:41,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:39:41,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966171719] [2020-12-09 10:39:41,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:39:41,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:39:41,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567347416] [2020-12-09 10:39:41,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:39:41,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:39:41,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:39:41,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:39:41,244 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2020-12-09 10:39:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:39:41,277 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2020-12-09 10:39:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:39:41,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-09 10:39:41,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:39:41,284 INFO L225 Difference]: With dead ends: 18 [2020-12-09 10:39:41,285 INFO L226 Difference]: Without dead ends: 15 [2020-12-09 10:39:41,286 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 [2020-12-09 10:39:41,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-09 10:39:41,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-09 10:39:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-09 10:39:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-12-09 10:39:41,307 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 4 [2020-12-09 10:39:41,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:39:41,307 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-12-09 10:39:41,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:39:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-09 10:39:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 10:39:41,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:39:41,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 10:39:41,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 10:39:41,509 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 10:39:41,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:39:41,510 INFO L82 PathProgramCache]: Analyzing trace with hash 28695810, now seen corresponding path program 1 times [2020-12-09 10:39:41,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:39:41,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089743157] [2020-12-09 10:39:41,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/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 [2020-12-09 10:39:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:39:41,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:39:41,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:39:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:39:41,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:39:41,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089743157] [2020-12-09 10:39:41,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:39:41,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:39:41,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787967788] [2020-12-09 10:39:41,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:39:41,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:39:41,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:39:41,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:39:41,600 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2020-12-09 10:39:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:39:41,607 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2020-12-09 10:39:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:39:41,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 10:39:41,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:39:41,609 INFO L225 Difference]: With dead ends: 15 [2020-12-09 10:39:41,609 INFO L226 Difference]: Without dead ends: 15 [2020-12-09 10:39:41,610 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 [2020-12-09 10:39:41,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-09 10:39:41,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-09 10:39:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-09 10:39:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-12-09 10:39:41,613 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2020-12-09 10:39:41,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:39:41,613 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-12-09 10:39:41,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:39:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-12-09 10:39:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 10:39:41,614 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:39:41,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:39:41,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 10:39:41,816 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 10:39:41,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:39:41,818 INFO L82 PathProgramCache]: Analyzing trace with hash 179641051, now seen corresponding path program 1 times [2020-12-09 10:39:41,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:39:41,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940457546] [2020-12-09 10:39:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/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 [2020-12-09 10:39:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:39:41,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 10:39:41,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:39:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:39:42,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:39:42,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940457546] [2020-12-09 10:39:42,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:39:42,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:39:42,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131604130] [2020-12-09 10:39:42,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:39:42,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:39:42,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:39:42,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:39:42,013 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 4 states. [2020-12-09 10:39:42,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:39:42,042 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2020-12-09 10:39:42,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:39:42,043 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-09 10:39:42,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:39:42,043 INFO L225 Difference]: With dead ends: 16 [2020-12-09 10:39:42,043 INFO L226 Difference]: Without dead ends: 16 [2020-12-09 10:39:42,044 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 [2020-12-09 10:39:42,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-09 10:39:42,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-09 10:39:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 10:39:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-12-09 10:39:42,047 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2020-12-09 10:39:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:39:42,047 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-12-09 10:39:42,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:39:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-12-09 10:39:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 10:39:42,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:39:42,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:39:42,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 10:39:42,250 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 10:39:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:39:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash 179688781, now seen corresponding path program 1 times [2020-12-09 10:39:42,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:39:42,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981410883] [2020-12-09 10:39:42,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/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 [2020-12-09 10:39:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:39:42,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 10:39:42,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:39:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:39:42,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:39:42,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981410883] [2020-12-09 10:39:42,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:39:42,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:39:42,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816651129] [2020-12-09 10:39:42,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:39:42,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:39:42,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:39:42,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:39:42,379 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 5 states. [2020-12-09 10:39:42,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:39:42,420 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2020-12-09 10:39:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 10:39:42,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-09 10:39:42,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:39:42,421 INFO L225 Difference]: With dead ends: 27 [2020-12-09 10:39:42,422 INFO L226 Difference]: Without dead ends: 27 [2020-12-09 10:39:42,422 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 [2020-12-09 10:39:42,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-09 10:39:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2020-12-09 10:39:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-09 10:39:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-12-09 10:39:42,424 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 8 [2020-12-09 10:39:42,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:39:42,424 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-12-09 10:39:42,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:39:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-12-09 10:39:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 10:39:42,425 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:39:42,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:39:42,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 10:39:42,627 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 10:39:42,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:39:42,629 INFO L82 PathProgramCache]: Analyzing trace with hash 179690703, now seen corresponding path program 1 times [2020-12-09 10:39:42,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:39:42,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594311069] [2020-12-09 10:39:42,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/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 [2020-12-09 10:39:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:39:42,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:39:42,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:39:42,716 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 10:39:42,716 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 [2020-12-09 10:39:42,719 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 10:39:42,736 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-12-09 10:39:42,738 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 10:39:42,738 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:5 [2020-12-09 10:39:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:39:42,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:39:42,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594311069] [2020-12-09 10:39:42,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:39:42,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:39:42,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726350089] [2020-12-09 10:39:42,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:39:42,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:39:42,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:39:42,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:39:42,749 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2020-12-09 10:39:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:39:42,804 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2020-12-09 10:39:42,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:39:42,805 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-09 10:39:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:39:42,805 INFO L225 Difference]: With dead ends: 16 [2020-12-09 10:39:42,805 INFO L226 Difference]: Without dead ends: 16 [2020-12-09 10:39:42,805 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 [2020-12-09 10:39:42,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-09 10:39:42,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-09 10:39:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 10:39:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-12-09 10:39:42,807 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2020-12-09 10:39:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:39:42,807 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-12-09 10:39:42,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:39:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-12-09 10:39:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 10:39:42,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:39:42,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:39:43,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 10:39:43,009 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 10:39:43,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:39:43,010 INFO L82 PathProgramCache]: Analyzing trace with hash 179690704, now seen corresponding path program 1 times [2020-12-09 10:39:43,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:39:43,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102925154] [2020-12-09 10:39:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/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 [2020-12-09 10:39:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:39:43,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 10:39:43,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:39:43,079 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 [2020-12-09 10:39:43,080 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 10:39:43,085 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 10:39:43,087 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 10:39:43,087 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-12-09 10:39:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:39:43,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:39:43,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102925154] [2020-12-09 10:39:43,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:39:43,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:39:43,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753977117] [2020-12-09 10:39:43,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:39:43,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:39:43,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:39:43,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:39:43,115 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2020-12-09 10:39:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:39:43,210 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2020-12-09 10:39:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 10:39:43,211 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2020-12-09 10:39:43,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:39:43,211 INFO L225 Difference]: With dead ends: 24 [2020-12-09 10:39:43,211 INFO L226 Difference]: Without dead ends: 24 [2020-12-09 10:39:43,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:39:43,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-09 10:39:43,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2020-12-09 10:39:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 10:39:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-12-09 10:39:43,213 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 8 [2020-12-09 10:39:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:39:43,214 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-12-09 10:39:43,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:39:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-12-09 10:39:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 10:39:43,214 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:39:43,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:39:43,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 10:39:43,416 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 10:39:43,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:39:43,417 INFO L82 PathProgramCache]: Analyzing trace with hash 702944005, now seen corresponding path program 1 times [2020-12-09 10:39:43,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:39:43,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909496646] [2020-12-09 10:39:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6c788c1-5dd1-4ebe-97ee-f0ca1ecb9e65/bin/utaipan/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 [2020-12-09 10:39:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:39:43,519 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:39:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:39:43,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:39:43,568 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 10:39:43,568 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 10:39:43,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 10:39:43,781 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,782 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,783 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,783 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,783 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,784 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,784 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,784 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,785 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,785 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,785 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,785 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,786 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,786 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,787 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,787 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,787 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,788 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,788 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,788 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,789 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,789 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,789 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,789 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,790 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,790 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,791 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,791 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,796 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,796 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,797 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,797 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,797 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_#res : $Pointer$ not handled [2020-12-09 10:39:43,798 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_realloc_ptr : $Pointer$ not handled [2020-12-09 10:39:43,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:39:43 BoogieIcfgContainer [2020-12-09 10:39:43,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:39:43,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:39:43,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:39:43,814 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:39:43,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:39:41" (3/4) ... [2020-12-09 10:39:43,817 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 10:39:43,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:39:43,818 INFO L168 Benchmark]: Toolchain (without parser) took 3426.15 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 34.7 MB in the beginning and 74.5 MB in the end (delta: -39.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:39:43,818 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:39:43,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.79 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 34.4 MB in the beginning and 46.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:39:43,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 44.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:39:43,820 INFO L168 Benchmark]: Boogie Preprocessor took 22.57 ms. Allocated memory is still 77.6 MB. Free memory was 44.1 MB in the beginning and 60.9 MB in the end (delta: -16.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-12-09 10:39:43,820 INFO L168 Benchmark]: RCFGBuilder took 258.87 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 43.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:39:43,820 INFO L168 Benchmark]: TraceAbstraction took 2741.75 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.2 MB in the beginning and 74.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2020-12-09 10:39:43,821 INFO L168 Benchmark]: Witness Printer took 2.95 ms. Allocated memory is still 94.4 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:39:43,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.79 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 34.4 MB in the beginning and 46.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.80 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 44.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.57 ms. Allocated memory is still 77.6 MB. Free memory was 44.1 MB in the beginning and 60.9 MB in the end (delta: -16.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 258.87 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 43.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2741.75 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.2 MB in the beginning and 74.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.95 ms. Allocated memory is still 94.4 MB. Free memory is still 74.5 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: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s 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, 0.2s 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...