./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/lis_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:30:26,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:30:26,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:30:26,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:30:26,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:30:26,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:30:26,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:30:26,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:30:26,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:30:26,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:30:26,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:30:26,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:30:26,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:30:26,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:30:26,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:30:26,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:30:26,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:30:26,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:30:26,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:30:26,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:30:26,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:30:26,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:30:26,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:30:26,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:30:26,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:30:26,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:30:26,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:30:26,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:30:26,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:30:26,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:30:26,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:30:26,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:30:26,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:30:26,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:30:26,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:30:26,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:30:26,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:30:26,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:30:26,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:30:26,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:30:26,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:30:26,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-21 19:30:26,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:30:26,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:30:26,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:30:26,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:30:26,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:30:26,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:30:26,301 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:30:26,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:30:26,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:30:26,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:30:26,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:30:26,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:30:26,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:30:26,305 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:30:26,306 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:30:26,306 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:30:26,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:30:26,307 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:30:26,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:30:26,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:30:26,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:30:26,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:30:26,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:30:26,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:26,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:30:26,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:30:26,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:30:26,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:30:26,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:30:26,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 [2021-10-21 19:30:26,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:30:26,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:30:26,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:30:26,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:30:26,670 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:30:26,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-10-21 19:30:26,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/85f5cf20f/16f373e28e0540198c78fa5f776780b6/FLAGbb7466866 [2021-10-21 19:30:27,323 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:30:27,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-10-21 19:30:27,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/85f5cf20f/16f373e28e0540198c78fa5f776780b6/FLAGbb7466866 [2021-10-21 19:30:27,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/85f5cf20f/16f373e28e0540198c78fa5f776780b6 [2021-10-21 19:30:27,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:30:27,605 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:30:27,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:27,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:30:27,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:30:27,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:27" (1/1) ... [2021-10-21 19:30:27,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e123d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:27, skipping insertion in model container [2021-10-21 19:30:27,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:27" (1/1) ... [2021-10-21 19:30:27,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:30:27,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:28,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:28,029 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-21 19:30:28,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@172b0f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:28, skipping insertion in model container [2021-10-21 19:30:28,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:28,031 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:30:28,033 INFO L168 Benchmark]: Toolchain (without parser) took 426.93 ms. Allocated memory is still 117.4 MB. Free memory was 83.4 MB in the beginning and 93.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:28,034 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:28,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.92 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 93.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:28,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 423.92 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 93.9 MB in the end (delta: -10.7 MB). Peak memory consumption was 12.6 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 0.2.1-dev-e943c26 [2021-10-21 19:30:30,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:30:30,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:30:30,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:30:30,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:30:30,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:30:30,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:30:30,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:30:30,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:30:30,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:30:30,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:30:30,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:30:30,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:30:30,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:30:30,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:30:30,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:30:30,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:30:30,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:30:30,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:30:30,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:30:30,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:30:30,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:30:30,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:30:30,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:30:30,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:30:30,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:30:30,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:30:30,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:30:30,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:30:30,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:30:30,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:30:30,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:30:30,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:30:30,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:30:30,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:30:30,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:30:30,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:30:30,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:30:30,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:30:30,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:30:30,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:30:30,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-21 19:30:30,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:30:30,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:30:30,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:30:30,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:30:30,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:30:30,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:30:30,522 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:30:30,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:30:30,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:30:30,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:30:30,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:30:30,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:30:30,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:30:30,525 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:30:30,526 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:30:30,526 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:30:30,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:30:30,526 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:30:30,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:30:30,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:30:30,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:30:30,528 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:30:30,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:30:30,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:30:30,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:30:30,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:30,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:30:30,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:30:30,530 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:30:30,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:30:30,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:30:30,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:30:30,531 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 302a384d858b88c7c93de8a2b1030a1c448a13b5bf510dfc42e11e1c01d4bd66 [2021-10-21 19:30:30,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:30:31,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:30:31,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:30:31,006 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:30:31,007 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:30:31,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-10-21 19:30:31,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/def74b3b3/e35b9b219f9940c985bc361559b0214c/FLAG53f6d4244 [2021-10-21 19:30:31,730 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:30:31,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-10-21 19:30:31,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/def74b3b3/e35b9b219f9940c985bc361559b0214c/FLAG53f6d4244 [2021-10-21 19:30:32,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/data/def74b3b3/e35b9b219f9940c985bc361559b0214c [2021-10-21 19:30:32,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:30:32,041 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:30:32,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:32,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:30:32,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:30:32,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5315fc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32, skipping insertion in model container [2021-10-21 19:30:32,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:30:32,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:32,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:32,482 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-21 19:30:32,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:32,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:32,565 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:30:32,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:32,652 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:30:32,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32 WrapperNode [2021-10-21 19:30:32,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:32,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:30:32,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:30:32,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:30:32,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:30:32,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:30:32,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:30:32,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:30:32,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (1/1) ... [2021-10-21 19:30:32,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:30:32,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:32,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:32,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:30:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-21 19:30:32,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:30:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:30:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-21 19:30:32,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-21 19:30:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-21 19:30:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-21 19:30:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-21 19:30:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lis [2021-10-21 19:30:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-21 19:30:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-21 19:30:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-21 19:30:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-21 19:30:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-21 19:30:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-21 19:30:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-21 19:30:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-21 19:30:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-21 19:30:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-21 19:30:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-21 19:30:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-21 19:30:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-21 19:30:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-21 19:30:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-21 19:30:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-21 19:30:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-21 19:30:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-21 19:30:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-21 19:30:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-21 19:30:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-21 19:30:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-21 19:30:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-21 19:30:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-21 19:30:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-21 19:30:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-21 19:30:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-21 19:30:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-21 19:30:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-21 19:30:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-21 19:30:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-21 19:30:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-21 19:30:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-21 19:30:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-21 19:30:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-21 19:30:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-21 19:30:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-21 19:30:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-21 19:30:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-21 19:30:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-21 19:30:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-21 19:30:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-21 19:30:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-21 19:30:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-21 19:30:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-21 19:30:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-21 19:30:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-21 19:30:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-21 19:30:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-21 19:30:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-21 19:30:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-21 19:30:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-21 19:30:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-21 19:30:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-21 19:30:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-21 19:30:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-21 19:30:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-21 19:30:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-21 19:30:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-21 19:30:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-21 19:30:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-21 19:30:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-21 19:30:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-21 19:30:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-21 19:30:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-21 19:30:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-21 19:30:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-21 19:30:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-21 19:30:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-21 19:30:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-21 19:30:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-21 19:30:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-21 19:30:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-21 19:30:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-21 19:30:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-21 19:30:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-21 19:30:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-21 19:30:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-21 19:30:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-21 19:30:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-21 19:30:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-21 19:30:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-21 19:30:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-21 19:30:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-21 19:30:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-21 19:30:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-21 19:30:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-21 19:30:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure lis [2021-10-21 19:30:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:30:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 19:30:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 19:30:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:30:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-21 19:30:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-21 19:30:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:30:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-21 19:30:33,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:30:33,762 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-21 19:30:33,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:33 BoogieIcfgContainer [2021-10-21 19:30:33,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:30:33,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:30:33,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:30:33,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:30:33,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:30:32" (1/3) ... [2021-10-21 19:30:33,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5966e46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:33, skipping insertion in model container [2021-10-21 19:30:33,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:32" (2/3) ... [2021-10-21 19:30:33,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5966e46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:30:33, skipping insertion in model container [2021-10-21 19:30:33,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:33" (3/3) ... [2021-10-21 19:30:33,780 INFO L111 eAbstractionObserver]: Analyzing ICFG lis_unsafe.i [2021-10-21 19:30:33,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:30:33,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-10-21 19:30:33,834 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:30:33,840 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:30:33,840 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-10-21 19:30:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 43 states have (on average 1.9534883720930232) internal successors, (84), 72 states have internal predecessors, (84), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:30:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:30:33,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:33,864 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:33,865 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting lisErr0REQUIRES_VIOLATION === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, lisErr0REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION (and 24 more)] === [2021-10-21 19:30:33,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:33,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922095, now seen corresponding path program 1 times [2021-10-21 19:30:33,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:33,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777932485] [2021-10-21 19:30:33,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:33,883 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:33,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:33,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:33,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 19:30:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:34,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:30:34,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:34,178 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-21 19:30:34,179 INFO L388 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 1 case distinctions, treesize of input 9 treesize of output 14 [2021-10-21 19:30:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:34,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:30:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:34,328 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:30:34,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777932485] [2021-10-21 19:30:34,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777932485] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:30:34,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:30:34,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 19:30:34,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761785807] [2021-10-21 19:30:34,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:30:34,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:30:34,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:30:34,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:30:34,355 INFO L87 Difference]: Start difference. First operand has 79 states, 43 states have (on average 1.9534883720930232) internal successors, (84), 72 states have internal predecessors, (84), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 19:30:34,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:34,616 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2021-10-21 19:30:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:30:34,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-10-21 19:30:34,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:34,626 INFO L225 Difference]: With dead ends: 71 [2021-10-21 19:30:34,626 INFO L226 Difference]: Without dead ends: 68 [2021-10-21 19:30:34,628 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:30:34,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-21 19:30:34,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-10-21 19:30:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.6666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-21 19:30:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2021-10-21 19:30:34,665 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 11 [2021-10-21 19:30:34,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:34,666 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2021-10-21 19:30:34,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 19:30:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2021-10-21 19:30:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:30:34,667 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:34,667 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:34,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:34,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:34,878 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting lisErr1REQUIRES_VIOLATION === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, lisErr0REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION (and 24 more)] === [2021-10-21 19:30:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922094, now seen corresponding path program 1 times [2021-10-21 19:30:34,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:34,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224044909] [2021-10-21 19:30:34,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:34,879 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:34,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:34,886 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:34,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 19:30:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:35,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:30:35,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:35,081 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-21 19:30:35,088 INFO L388 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 1 case distinctions, treesize of input 20 treesize of output 21 [2021-10-21 19:30:35,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2021-10-21 19:30:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:35,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 19:30:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:30:35,425 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 19:30:35,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224044909] [2021-10-21 19:30:35,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224044909] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 19:30:35,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:30:35,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-21 19:30:35,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751324723] [2021-10-21 19:30:35,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:30:35,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 19:30:35,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:30:35,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:30:35,429 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 8 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 19:30:36,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:36,703 INFO L93 Difference]: Finished difference Result 166 states and 186 transitions. [2021-10-21 19:30:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:30:36,704 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-10-21 19:30:36,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:36,708 INFO L225 Difference]: With dead ends: 166 [2021-10-21 19:30:36,708 INFO L226 Difference]: Without dead ends: 166 [2021-10-21 19:30:36,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 231.5ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:30:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-10-21 19:30:36,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2021-10-21 19:30:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 100 states have (on average 1.7) internal successors, (170), 120 states have internal predecessors, (170), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 19:30:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 177 transitions. [2021-10-21 19:30:36,727 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 177 transitions. Word has length 11 [2021-10-21 19:30:36,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:36,728 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 177 transitions. [2021-10-21 19:30:36,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-21 19:30:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2021-10-21 19:30:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:30:36,729 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:36,729 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:30:36,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:36,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:36,935 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting lisErr1REQUIRES_VIOLATION === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, lisErr0REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION (and 24 more)] === [2021-10-21 19:30:36,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:36,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1898075052, now seen corresponding path program 1 times [2021-10-21 19:30:36,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 19:30:36,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878276738] [2021-10-21 19:30:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:36,936 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 19:30:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 19:30:36,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 19:30:36,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 19:30:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:37,092 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:30:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:37,144 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 19:30:37,144 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:30:37,145 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location lisErr1REQUIRES_VIOLATION [2021-10-21 19:30:37,147 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-21 19:30:37,148 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr0REQUIRES_VIOLATION [2021-10-21 19:30:37,148 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr2REQUIRES_VIOLATION [2021-10-21 19:30:37,148 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr3REQUIRES_VIOLATION [2021-10-21 19:30:37,148 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr4REQUIRES_VIOLATION [2021-10-21 19:30:37,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr5REQUIRES_VIOLATION [2021-10-21 19:30:37,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr6REQUIRES_VIOLATION [2021-10-21 19:30:37,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr7REQUIRES_VIOLATION [2021-10-21 19:30:37,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr8REQUIRES_VIOLATION [2021-10-21 19:30:37,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr9REQUIRES_VIOLATION [2021-10-21 19:30:37,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr10REQUIRES_VIOLATION [2021-10-21 19:30:37,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr11REQUIRES_VIOLATION [2021-10-21 19:30:37,150 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr12REQUIRES_VIOLATION [2021-10-21 19:30:37,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr13REQUIRES_VIOLATION [2021-10-21 19:30:37,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr14REQUIRES_VIOLATION [2021-10-21 19:30:37,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr15REQUIRES_VIOLATION [2021-10-21 19:30:37,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr16REQUIRES_VIOLATION [2021-10-21 19:30:37,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr17REQUIRES_VIOLATION [2021-10-21 19:30:37,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr18REQUIRES_VIOLATION [2021-10-21 19:30:37,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr19REQUIRES_VIOLATION [2021-10-21 19:30:37,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr20REQUIRES_VIOLATION [2021-10-21 19:30:37,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr21REQUIRES_VIOLATION [2021-10-21 19:30:37,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr22ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:30:37,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr23ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:30:37,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr24ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:30:37,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr25ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:30:37,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr26ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:30:37,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr27ASSERT_VIOLATIONMEMORY_FREE [2021-10-21 19:30:37,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:37,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 19:30:37,369 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:30:37,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:30:37 BoogieIcfgContainer [2021-10-21 19:30:37,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:30:37,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:30:37,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:30:37,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:30:37,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:33" (3/4) ... [2021-10-21 19:30:37,395 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:30:37,475 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:30:37,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:30:37,477 INFO L168 Benchmark]: Toolchain (without parser) took 5435.54 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 50.8 MB in the beginning and 60.1 MB in the end (delta: -9.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,477 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 71.3 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:37,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.79 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 43.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,478 INFO L168 Benchmark]: Boogie Preprocessor took 115.47 ms. Allocated memory is still 71.3 MB. Free memory was 43.2 MB in the beginning and 40.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,479 INFO L168 Benchmark]: RCFGBuilder took 988.13 ms. Allocated memory is still 71.3 MB. Free memory was 40.3 MB in the beginning and 37.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,480 INFO L168 Benchmark]: TraceAbstraction took 3618.70 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 36.9 MB in the beginning and 61.4 MB in the end (delta: -24.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:37,480 INFO L168 Benchmark]: Witness Printer took 86.60 ms. Allocated memory is still 92.3 MB. Free memory was 61.4 MB in the beginning and 60.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:37,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 71.3 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.79 ms. Allocated memory is still 71.3 MB. Free memory was 50.6 MB in the beginning and 43.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.47 ms. Allocated memory is still 71.3 MB. Free memory was 43.2 MB in the beginning and 40.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 988.13 ms. Allocated memory is still 71.3 MB. Free memory was 40.3 MB in the beginning and 37.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3618.70 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 36.9 MB in the beginning and 61.4 MB in the end (delta: -24.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 86.60 ms. Allocated memory is still 92.3 MB. Free memory was 61.4 MB in the beginning and 60.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 518]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L531] int *a; [L532] int N = __VERIFIER_nondet_int(); [L533] COND FALSE !(N < 1) VAL [N=1073741824] [L535] CALL lis(a, N) VAL [\old(N)=1073741824, a={7:8}] [L514] int *best, *prev, i, j, max = 0; [L515] best = (int*) malloc(sizeof(int) * N) [L516] prev = (int*) malloc(sizeof(int) * N) [L517] i = 0 VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={2:0}, i=0, max=0, N=1073741824, prev={1:0}] [L517] COND TRUE i < N VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={2:0}, i=0, max=0, N=1073741824, prev={1:0}] [L518] best[i] = 1 - UnprovableResult [Line: 530]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 524]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 524]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 525]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 525]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 100 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 3533.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 13.4ms, AutomataDifference: 1571.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 123 SDtfs, 184 SDslu, 363 SDs, 0 SdLazy, 246 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1232.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 247.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 40.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 30.7ms SsaConstructionTime, 75.8ms SatisfiabilityAnalysisTime, 700.2ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 2 QuantifiedInterpolants, 168 SizeOfPredicates, 7 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 proved your program to be incorrect! [2021-10-21 19:30:37,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90092adb-2c4e-4d86-a06d-717dbd68a804/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...