./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:08,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:08,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:36:08,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:08,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:08,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:08,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:08,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:08,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:08,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:08,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:08,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:08,723 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:08,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:08,725 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:08,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:08,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:08,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:08,727 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:36:08,727 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:36:08,728 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:36:08,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:08,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:36:08,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:36:08,730 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:08,730 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:08,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:08,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:08,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:08,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:08,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:08,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:08,735 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:08,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:08,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:08,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:08,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:08,736 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:08,736 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_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 [2023-11-19 07:36:09,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:09,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:09,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:09,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:09,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:09,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-11-19 07:36:12,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:12,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:12,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-11-19 07:36:12,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data/ea16a1898/74a6f44380ff4a0686cd0a3fce044418/FLAG568f603b6 [2023-11-19 07:36:12,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data/ea16a1898/74a6f44380ff4a0686cd0a3fce044418 [2023-11-19 07:36:12,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:12,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:12,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:12,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:12,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:12,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:12" (1/1) ... [2023-11-19 07:36:12,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fa559b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:12, skipping insertion in model container [2023-11-19 07:36:12,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:12" (1/1) ... [2023-11-19 07:36:12,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:12,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:12,845 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) [2023-11-19 07:36:12,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cb137b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:12, skipping insertion in model container [2023-11-19 07:36:12,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:12,846 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:36:12,848 INFO L158 Benchmark]: Toolchain (without parser) took 266.61ms. Allocated memory is still 130.0MB. Free memory was 85.7MB in the beginning and 75.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:36:12,849 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:12,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.79ms. Allocated memory is still 130.0MB. Free memory was 85.4MB in the beginning and 75.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:36:12,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.79ms. Allocated memory is still 130.0MB. Free memory was 85.4MB in the beginning and 75.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 79]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:15,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:15,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:36:15,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:15,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:15,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:15,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:15,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:15,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:15,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:15,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:15,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:15,693 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:15,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:15,695 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:15,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:15,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:15,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:15,697 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:36:15,699 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:36:15,699 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:36:15,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:15,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:36:15,701 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:36:15,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:36:15,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:36:15,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:15,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:15,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:15,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:15,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:15,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:15,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:15,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:15,708 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:36:15,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:36:15,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:15,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:15,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:15,710 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:36:15,711 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:15,711 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_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c579ed20cf5b381709dcc4ef9fbcf839f80c68ac017a29b947b11bd3a57dd56 [2023-11-19 07:36:16,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:16,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:16,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:16,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:16,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:16,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-11-19 07:36:19,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:19,698 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:19,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2023-11-19 07:36:19,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data/9c59d96bc/2a48606035e049758cee1433347fe30c/FLAG132254339 [2023-11-19 07:36:19,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/data/9c59d96bc/2a48606035e049758cee1433347fe30c [2023-11-19 07:36:19,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:19,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:19,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:19,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:19,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:19,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:19" (1/1) ... [2023-11-19 07:36:19,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fa1714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:19, skipping insertion in model container [2023-11-19 07:36:19,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:19" (1/1) ... [2023-11-19 07:36:19,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:20,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:20,088 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:36:20,093 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:20,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:20,122 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:20,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:20,207 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:20,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20 WrapperNode [2023-11-19 07:36:20,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:20,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:20,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:20,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:20,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,291 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 14, calls inlined = 18, statements flattened = 191 [2023-11-19 07:36:20,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:20,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:20,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:20,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:20,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:20,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:20,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:20,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:20,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (1/1) ... [2023-11-19 07:36:20,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:20,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:20,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:20,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8fe060-cfed-491d-ab24-30e790dbb237/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:36:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:36:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:36:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:36:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:36:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:36:20,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:36:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:36:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:36:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:36:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:36:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:36:20,464 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:36:20,640 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:20,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:21,694 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:21,709 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:21,709 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 07:36:21,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:21 BoogieIcfgContainer [2023-11-19 07:36:21,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:21,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:21,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:21,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:21,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:19" (1/3) ... [2023-11-19 07:36:21,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3155ff65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:21, skipping insertion in model container [2023-11-19 07:36:21,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:20" (2/3) ... [2023-11-19 07:36:21,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3155ff65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:21, skipping insertion in model container [2023-11-19 07:36:21,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:21" (3/3) ... [2023-11-19 07:36:21,734 INFO L112 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2023-11-19 07:36:21,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:21,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-19 07:36:21,756 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:36:21,917 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:36:21,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 304 places, 323 transitions, 660 flow [2023-11-19 07:36:22,182 INFO L124 PetriNetUnfolderBase]: 26/321 cut-off events. [2023-11-19 07:36:22,196 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:36:22,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 321 events. 26/321 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 474 event pairs, 0 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 230. Up to 2 conditions per place. [2023-11-19 07:36:22,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 304 places, 323 transitions, 660 flow [2023-11-19 07:36:22,222 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 297 places, 316 transitions, 644 flow [2023-11-19 07:36:22,229 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:36:22,254 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 316 transitions, 644 flow [2023-11-19 07:36:22,260 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 316 transitions, 644 flow [2023-11-19 07:36:22,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 297 places, 316 transitions, 644 flow [2023-11-19 07:36:22,349 INFO L124 PetriNetUnfolderBase]: 26/316 cut-off events. [2023-11-19 07:36:22,350 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:36:22,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 316 events. 26/316 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 472 event pairs, 0 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 230. Up to 2 conditions per place. [2023-11-19 07:36:22,356 INFO L119 LiptonReduction]: Number of co-enabled transitions 2148