./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:14:51,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:14:51,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2023-11-21 22:14:51,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:14:51,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:14:51,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:14:51,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:14:51,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:14:51,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:14:51,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:14:51,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:14:51,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:14:51,481 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:14:51,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:14:51,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:14:51,485 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:14:51,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:14:51,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:14:51,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:14:51,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:14:51,487 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:14:51,491 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:14:51,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:14:51,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:14:51,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:14:51,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:14:51,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:14:51,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:14:51,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:14:51,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:14:51,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:14:51,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:14:51,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:14:51,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:51,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:14:51,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:14:51,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:14:51,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:14:51,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:14:51,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:14:51,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:14:51,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:14:51,499 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2023-11-21 22:14:51,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:14:51,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:14:51,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:14:51,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:14:51,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:14:51,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-21 22:14:55,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:14:55,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:14:55,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-21 22:14:55,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data/880b8f41b/6b51b3a7b2c846908ec43fe0b439a4d6/FLAGcfc13643c [2023-11-21 22:14:55,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data/880b8f41b/6b51b3a7b2c846908ec43fe0b439a4d6 [2023-11-21 22:14:55,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:14:55,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:14:55,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:55,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:14:55,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:14:55,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:55" (1/1) ... [2023-11-21 22:14:55,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12866d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:55, skipping insertion in model container [2023-11-21 22:14:55,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:14:55" (1/1) ... [2023-11-21 22:14:55,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:14:56,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:14:56,584 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-21 22:14:56,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@534de948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:14:56, skipping insertion in model container [2023-11-21 22:14:56,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:14:56,586 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 22:14:56,588 INFO L158 Benchmark]: Toolchain (without parser) took 1041.17ms. Allocated memory is still 161.5MB. Free memory was 112.1MB in the beginning and 79.2MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 22:14:56,589 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:14:56,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1038.51ms. Allocated memory is still 161.5MB. Free memory was 111.7MB in the beginning and 79.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 22:14:56,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1038.51ms. Allocated memory is still 161.5MB. Free memory was 111.7MB in the beginning and 79.2MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2221]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:14:59,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:14:59,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2023-11-21 22:14:59,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:14:59,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:14:59,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:14:59,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:14:59,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:14:59,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:14:59,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:14:59,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:14:59,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:14:59,352 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:14:59,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:14:59,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:14:59,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:14:59,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:14:59,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:14:59,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:14:59,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:14:59,358 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:14:59,358 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:14:59,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:14:59,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:14:59,359 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:14:59,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:14:59,360 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:14:59,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:14:59,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:14:59,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:14:59,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:14:59,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:14:59,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:14:59,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:14:59,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:14:59,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:14:59,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:14:59,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:14:59,368 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:14:59,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:14:59,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:14:59,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:14:59,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:14:59,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:14:59,371 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:14:59,371 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb47039b70660cfe333b6887d0f99d94255697a030b075b004d2298d7cf4777 [2023-11-21 22:14:59,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:14:59,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:14:59,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:14:59,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:14:59,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:14:59,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-21 22:15:03,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:15:03,668 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:15:03,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-1.i [2023-11-21 22:15:03,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data/d22d7e697/9d625cbbdf9347b59e17f6990088e6a0/FLAG2437aa720 [2023-11-21 22:15:03,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/data/d22d7e697/9d625cbbdf9347b59e17f6990088e6a0 [2023-11-21 22:15:03,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:15:03,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:15:03,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:15:03,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:15:03,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:15:03,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:03" (1/1) ... [2023-11-21 22:15:03,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e9c5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:03, skipping insertion in model container [2023-11-21 22:15:03,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:15:03" (1/1) ... [2023-11-21 22:15:03,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:15:04,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:15:04,831 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 22:15:04,858 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:15:05,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:15:05,011 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:15:05,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:15:05,246 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:15:05,254 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:15:05,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05 WrapperNode [2023-11-21 22:15:05,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:15:05,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:15:05,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:15:05,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:15:05,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,458 INFO L138 Inliner]: procedures = 180, calls = 732, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2867 [2023-11-21 22:15:05,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:15:05,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:15:05,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:15:05,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:15:05,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:15:05,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:15:05,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:15:05,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:15:05,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (1/1) ... [2023-11-21 22:15:05,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:15:05,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:15:05,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:15:05,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:15:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 22:15:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 22:15:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-21 22:15:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 22:15:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:15:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:15:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:15:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:15:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:15:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:15:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:15:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:15:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:15:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:15:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:15:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 22:15:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 22:15:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:15:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:15:06,083 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:15:06,090 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:15:17,196 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:15:19,423 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:15:19,423 INFO L308 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-21 22:15:19,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:19 BoogieIcfgContainer [2023-11-21 22:15:19,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:15:19,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:15:19,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:15:19,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:15:19,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:15:03" (1/3) ... [2023-11-21 22:15:19,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556ee1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:15:19, skipping insertion in model container [2023-11-21 22:15:19,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:15:05" (2/3) ... [2023-11-21 22:15:19,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556ee1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:15:19, skipping insertion in model container [2023-11-21 22:15:19,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:15:19" (3/3) ... [2023-11-21 22:15:19,436 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-1.i [2023-11-21 22:15:19,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:15:19,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:15:19,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:15:19,545 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@62b36be9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:15:19,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 22:15:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 1111 states, 600 states have (on average 1.955) internal successors, (1173), 1104 states have internal predecessors, (1173), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2023-11-21 22:15:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 22:15:19,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:15:19,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:15:19,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-21 22:15:19,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:15:19,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1533051042, now seen corresponding path program 1 times [2023-11-21 22:15:19,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:15:19,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573075425] [2023-11-21 22:15:19,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:15:19,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:15:19,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:15:19,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:15:19,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:15:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:19,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 22:15:19,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:15:19,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:15:19,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:15:19,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573075425] [2023-11-21 22:15:19,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573075425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:15:19,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:15:19,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:15:19,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817289969] [2023-11-21 22:15:19,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:15:19,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:15:19,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:15:19,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:15:19,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:15:19,938 INFO L87 Difference]: Start difference. First operand has 1111 states, 600 states have (on average 1.955) internal successors, (1173), 1104 states have internal predecessors, (1173), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:15:22,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:24,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:26,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:15:26,222 INFO L93 Difference]: Finished difference Result 1109 states and 2125 transitions. [2023-11-21 22:15:26,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:15:26,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-21 22:15:26,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:15:26,276 INFO L225 Difference]: With dead ends: 1109 [2023-11-21 22:15:26,277 INFO L226 Difference]: Without dead ends: 1108 [2023-11-21 22:15:26,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:15:26,283 INFO L413 NwaCegarLoop]: 2112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2112 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:15:26,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2112 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2023-11-21 22:15:26,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-11-21 22:15:26,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2023-11-21 22:15:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 599 states have (on average 1.8631051752921537) internal successors, (1116), 1101 states have internal predecessors, (1116), 505 states have call successors, (505), 3 states have call predecessors, (505), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2023-11-21 22:15:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2124 transitions. [2023-11-21 22:15:27,022 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2124 transitions. Word has length 6 [2023-11-21 22:15:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:15:27,022 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 2124 transitions. [2023-11-21 22:15:27,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:15:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2124 transitions. [2023-11-21 22:15:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 22:15:27,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:15:27,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:15:27,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:15:27,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:15:27,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2023-11-21 22:15:27,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:15:27,230 INFO L85 PathProgramCache]: Analyzing trace with hash -111625012, now seen corresponding path program 1 times [2023-11-21 22:15:27,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:15:27,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065436808] [2023-11-21 22:15:27,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:15:27,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:15:27,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:15:27,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:15:27,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d30dba9-2ace-4a88-a39c-03e0104fa608/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-21 22:15:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:15:27,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:15:27,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:15:27,598 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 22:15:27,600 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 22:15:27,600 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 22:15:27,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 39 [2023-11-21 22:15:27,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:15:27,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-11-21 22:15:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:15:27,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:15:27,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:15:27,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065436808] [2023-11-21 22:15:27,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065436808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:15:27,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:15:27,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:15:27,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746270856] [2023-11-21 22:15:27,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:15:27,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:15:27,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:15:27,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:15:27,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:15:27,776 INFO L87 Difference]: Start difference. First operand 1108 states and 2124 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:15:32,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:34,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:36,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:41,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:43,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:45,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:47,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:15:49,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []