./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:00:31,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:00:31,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:00:31,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:00:31,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:00:31,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:00:31,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:00:31,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:00:31,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:00:32,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:00:32,005 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:00:32,006 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:00:32,006 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:00:32,008 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:00:32,008 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:00:32,009 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:00:32,009 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:00:32,009 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:00:32,010 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:00:32,010 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:00:32,011 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:00:32,011 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:00:32,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:00:32,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:00:32,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:00:32,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:00:32,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:00:32,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:00:32,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:00:32,035 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:00:32,037 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:00:32,037 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:00:32,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:00:32,038 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:00:32,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:00:32,038 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:00:32,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:00:32,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:00:32,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:00:32,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:00:32,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:00:32,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:00:32,041 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:00:32,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:00:32,042 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:00:32,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:00:32,043 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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2023-11-06 21:00:32,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:00:32,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:00:32,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:00:32,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:00:32,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:00:32,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 21:00:35,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:00:35,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:00:35,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 21:00:35,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data/f8eb80be8/29df2eff13cb400095cca50a78d7bebe/FLAGdff02242d [2023-11-06 21:00:35,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data/f8eb80be8/29df2eff13cb400095cca50a78d7bebe [2023-11-06 21:00:35,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:00:35,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:00:35,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:00:35,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:00:35,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:00:35,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:00:35" (1/1) ... [2023-11-06 21:00:35,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664f7347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:35, skipping insertion in model container [2023-11-06 21:00:35,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:00:35" (1/1) ... [2023-11-06 21:00:35,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:00:36,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:00:36,171 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 21:00:36,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@525c8e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:36, skipping insertion in model container [2023-11-06 21:00:36,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:00:36,173 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:00:36,174 INFO L158 Benchmark]: Toolchain (without parser) took 310.84ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 69.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:00:36,175 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:00:36,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.28ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 69.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:00:36,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.28ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 69.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: 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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:00:38,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:00:38,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:00:38,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:00:38,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:00:38,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:00:38,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:00:38,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:00:38,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:00:38,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:00:38,946 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:00:38,946 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:00:38,947 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:00:38,948 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:00:38,949 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:00:38,949 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:00:38,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:00:38,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:00:38,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:00:38,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:00:38,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:00:38,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:00:38,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:00:38,954 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:00:38,954 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:00:38,954 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:00:38,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:00:38,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:00:38,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:00:38,956 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:00:38,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:00:38,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:00:38,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:00:38,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:00:38,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:00:38,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:00:38,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:00:38,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:00:38,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:00:38,960 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:00:38,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:00:38,961 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:00:38,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:00:38,961 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_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2023-11-06 21:00:39,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:00:39,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:00:39,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:00:39,444 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:00:39,445 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:00:39,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 21:00:42,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:00:42,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:00:42,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 21:00:42,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data/2ab0cf776/b1dfe918e163437fbde31ea1a56056f1/FLAGac91ad23d [2023-11-06 21:00:43,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/data/2ab0cf776/b1dfe918e163437fbde31ea1a56056f1 [2023-11-06 21:00:43,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:00:43,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:00:43,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:00:43,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:00:43,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:00:43,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d37f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43, skipping insertion in model container [2023-11-06 21:00:43,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:00:43,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:00:43,377 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:00:43,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:00:43,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:00:43,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:00:43,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:00:43,582 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:00:43,582 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:00:43,590 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:00:43,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43 WrapperNode [2023-11-06 21:00:43,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:00:43,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:00:43,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:00:43,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:00:43,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,695 INFO L138 Inliner]: procedures = 31, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 386 [2023-11-06 21:00:43,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:00:43,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:00:43,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:00:43,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:00:43,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:00:43,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:00:43,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:00:43,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:00:43,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (1/1) ... [2023-11-06 21:00:43,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:00:43,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:00:43,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:00:43,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9a06cf-c94c-47f1-a62a-d1a5c67edfbf/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:00:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:00:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:00:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:00:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:00:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 21:00:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 21:00:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 21:00:43,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 21:00:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 21:00:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 21:00:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-06 21:00:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-06 21:00:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-06 21:00:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-06 21:00:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-06 21:00:43,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-06 21:00:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:00:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:00:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:00:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:00:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:00:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:00:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:00:43,851 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 21:00:44,033 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:00:44,036 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:00:45,053 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:00:45,418 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:00:45,419 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-06 21:00:45,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:00:45 BoogieIcfgContainer [2023-11-06 21:00:45,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:00:45,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:00:45,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:00:45,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:00:45,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:00:43" (1/3) ... [2023-11-06 21:00:45,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bef5ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:00:45, skipping insertion in model container [2023-11-06 21:00:45,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:00:43" (2/3) ... [2023-11-06 21:00:45,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bef5ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:00:45, skipping insertion in model container [2023-11-06 21:00:45,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:00:45" (3/3) ... [2023-11-06 21:00:45,437 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-06 21:00:45,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:00:45,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-06 21:00:45,458 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:00:45,664 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-06 21:00:45,722 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 21:00:45,746 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 353 places, 357 transitions, 780 flow [2023-11-06 21:00:45,751 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 353 places, 357 transitions, 780 flow [2023-11-06 21:00:45,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 357 transitions, 780 flow [2023-11-06 21:00:45,960 INFO L124 PetriNetUnfolderBase]: 21/307 cut-off events. [2023-11-06 21:00:45,960 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-06 21:00:45,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 307 events. 21/307 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 481 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 254. Up to 3 conditions per place. [2023-11-06 21:00:45,984 INFO L119 LiptonReduction]: Number of co-enabled transitions 14424