./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/unroll-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:56:24,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:56:24,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:56:24,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:56:24,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:56:24,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:56:24,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:56:24,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:56:24,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:56:24,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:56:24,523 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:56:24,524 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:56:24,525 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:56:24,525 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:56:24,526 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:56:24,527 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:56:24,527 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:56:24,528 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:56:24,529 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:56:24,529 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:56:24,530 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:56:24,531 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:56:24,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:56:24,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:56:24,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:56:24,534 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:56:24,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:56:24,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:56:24,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:56:24,536 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:56:24,537 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:56:24,538 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:56:24,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:56:24,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:56:24,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:56:24,540 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:56:24,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:56:24,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:56:24,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:56:24,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:56:24,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:56:24,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:56:24,545 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:56:24,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:56:24,545 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:56:24,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:56:24,546 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 [2023-11-06 20:56:24,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:56:24,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:56:24,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:56:24,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:56:24,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:56:24,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-06 20:56:28,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:56:28,266 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:56:28,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-06 20:56:28,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data/cdbf9b1f8/25d1e620feee4f689adc5eff3bd4fa54/FLAG612ff1c03 [2023-11-06 20:56:28,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data/cdbf9b1f8/25d1e620feee4f689adc5eff3bd4fa54 [2023-11-06 20:56:28,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:56:28,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:56:28,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:28,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:56:28,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:56:28,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:28" (1/1) ... [2023-11-06 20:56:28,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b7719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:28, skipping insertion in model container [2023-11-06 20:56:28,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:28" (1/1) ... [2023-11-06 20:56:28,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:56:28,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:28,628 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) [2023-11-06 20:56:28,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7954fe27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:28, skipping insertion in model container [2023-11-06 20:56:28,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:28,630 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:56:28,633 INFO L158 Benchmark]: Toolchain (without parser) took 333.99ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 58.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:56:28,633 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:56:28,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.26ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 58.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 20:56:28,637 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 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.26ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 58.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 100]: 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_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:56:31,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:56:31,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:56:31,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:56:31,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:56:31,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:56:31,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:56:31,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:56:31,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:56:31,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:56:31,219 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:56:31,220 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:56:31,220 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:56:31,221 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:56:31,221 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:56:31,222 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:56:31,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:56:31,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:56:31,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:56:31,225 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:56:31,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:56:31,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:56:31,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:56:31,228 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:56:31,229 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:56:31,229 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:56:31,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:56:31,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:56:31,231 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:56:31,232 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:56:31,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:56:31,233 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:56:31,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:56:31,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:56:31,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:56:31,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:56:31,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:56:31,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:56:31,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:56:31,238 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:56:31,238 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:56:31,239 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:56:31,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:56:31,239 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 [2023-11-06 20:56:31,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:56:31,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:56:31,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:56:31,738 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:56:31,739 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:56:31,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-06 20:56:34,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:56:35,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:56:35,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-06 20:56:35,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data/6a27c32ac/d86d264b0c52409ba89b9e556cfc65ef/FLAGc94f9da7e [2023-11-06 20:56:35,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/data/6a27c32ac/d86d264b0c52409ba89b9e556cfc65ef [2023-11-06 20:56:35,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:56:35,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:56:35,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:35,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:56:35,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:56:35,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dd7064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35, skipping insertion in model container [2023-11-06 20:56:35,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:56:35,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:35,583 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:56:35,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:56:35,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:35,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:56:35,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:35,722 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:56:35,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35 WrapperNode [2023-11-06 20:56:35,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:35,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:56:35,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:56:35,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:56:35,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,807 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 147 [2023-11-06 20:56:35,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:56:35,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:56:35,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:56:35,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:56:35,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:56:35,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:56:35,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:56:35,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:56:35,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (1/1) ... [2023-11-06 20:56:35,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:56:35,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:56:35,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:56:35,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_082be331-accd-4eb7-a89f-77ef157faaea/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:56:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:56:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:56:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:56:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:56:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:56:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:56:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:56:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:56:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:56:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:56:35,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:56:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:56:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:56:35,969 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 20:56:36,148 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:56:36,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:56:36,817 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:56:36,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:56:36,827 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 20:56:36,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:56:36 BoogieIcfgContainer [2023-11-06 20:56:36,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:56:36,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:56:36,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:56:36,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:56:36,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:56:35" (1/3) ... [2023-11-06 20:56:36,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c204355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:56:36, skipping insertion in model container [2023-11-06 20:56:36,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:35" (2/3) ... [2023-11-06 20:56:36,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c204355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:56:36, skipping insertion in model container [2023-11-06 20:56:36,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:56:36" (3/3) ... [2023-11-06 20:56:36,839 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-11-06 20:56:36,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:56:36,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-06 20:56:36,857 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:56:36,968 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 20:56:37,005 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:56:37,040 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 208 transitions, 430 flow [2023-11-06 20:56:37,043 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 208 transitions, 430 flow [2023-11-06 20:56:37,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 208 transitions, 430 flow [2023-11-06 20:56:37,145 INFO L124 PetriNetUnfolderBase]: 15/206 cut-off events. [2023-11-06 20:56:37,145 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 20:56:37,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 206 events. 15/206 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 272 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2023-11-06 20:56:37,160 INFO L119 LiptonReduction]: Number of co-enabled transitions 4028