./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:18,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:18,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:15:18,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:18,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:18,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:18,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:18,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:18,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:18,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:18,989 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:18,989 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:18,990 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:18,991 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:18,991 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:18,992 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:18,992 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:18,993 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:18,994 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:18,994 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:18,995 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:18,996 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:18,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:15:18,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:15:18,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:18,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:18,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:19,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:19,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:19,001 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:15:19,002 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:15:19,002 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:15:19,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:19,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:15:19,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:15:19,004 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:19,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:19,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:19,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:19,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:19,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:19,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:19,007 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:19,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:19,008 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:19,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:19,008 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_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2023-11-19 05:15:19,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:19,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:19,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:19,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:19,290 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:19,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-19 05:15:22,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:22,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:22,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-19 05:15:22,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data/535ddd5a3/7629d9b3352848aaa0a75487415c6a8d/FLAG7cfb69d7d [2023-11-19 05:15:22,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data/535ddd5a3/7629d9b3352848aaa0a75487415c6a8d [2023-11-19 05:15:22,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:22,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:22,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:22,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:22,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:22,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d486b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22, skipping insertion in model container [2023-11-19 05:15:22,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:23,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:23,147 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 05:15:23,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75f7f34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:23, skipping insertion in model container [2023-11-19 05:15:23,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:23,149 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:15:23,151 INFO L158 Benchmark]: Toolchain (without parser) took 433.04ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 115.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:15:23,152 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:23,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.06ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 115.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:15:23,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 107.0MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.06ms. Allocated memory is still 157.3MB. Free memory was 126.2MB in the beginning and 115.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: 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_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:25,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:26,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:15:26,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:26,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:26,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:26,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:26,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:26,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:26,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:26,220 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:26,220 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:26,221 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:26,223 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:26,223 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:26,224 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:26,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:15:26,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:15:26,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:26,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:26,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:26,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:26,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:26,230 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:15:26,231 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:15:26,231 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:15:26,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:26,232 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:15:26,233 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:15:26,233 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:15:26,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:15:26,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:26,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:26,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:26,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:15:26,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:26,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:26,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:26,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:26,239 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:15:26,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:15:26,240 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:26,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:26,241 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_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2023-11-19 05:15:26,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:26,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:26,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:26,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:26,839 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:26,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-19 05:15:30,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:30,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:30,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2023-11-19 05:15:30,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data/7f8e4b8e9/1772c7678f1e4539aade6f26b9f12159/FLAG130ce4e64 [2023-11-19 05:15:30,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/data/7f8e4b8e9/1772c7678f1e4539aade6f26b9f12159 [2023-11-19 05:15:30,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:30,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:30,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:30,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:30,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:30,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:30" (1/1) ... [2023-11-19 05:15:30,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e406437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:30, skipping insertion in model container [2023-11-19 05:15:30,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:30" (1/1) ... [2023-11-19 05:15:30,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:31,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:31,338 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:15:31,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:31,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:31,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:31,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:31,450 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:31,450 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:15:31,459 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:31,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31 WrapperNode [2023-11-19 05:15:31,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:31,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:31,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:31,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:31,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,585 INFO L138 Inliner]: procedures = 31, calls = 96, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 295 [2023-11-19 05:15:31,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:31,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:31,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:31,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:31,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:31,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:31,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:31,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:31,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:31,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:31,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b8f4b14-05e5-493e-a63f-794c7b9af57a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 05:15:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 05:15:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 05:15:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 05:15:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 05:15:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 05:15:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 05:15:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 05:15:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 05:15:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 05:15:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 05:15:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 05:15:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 05:15:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 05:15:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:15:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:15:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:15:31,828 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 05:15:31,985 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:31,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:32,941 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:33,352 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:33,353 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 05:15:33,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:33 BoogieIcfgContainer [2023-11-19 05:15:33,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:33,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:33,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:33,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:33,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:30" (1/3) ... [2023-11-19 05:15:33,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4f4722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:33, skipping insertion in model container [2023-11-19 05:15:33,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31" (2/3) ... [2023-11-19 05:15:33,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4f4722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:33, skipping insertion in model container [2023-11-19 05:15:33,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:33" (3/3) ... [2023-11-19 05:15:33,380 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2023-11-19 05:15:33,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:33,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-19 05:15:33,399 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:15:33,645 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-19 05:15:33,714 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:15:33,742 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 312 transitions, 690 flow [2023-11-19 05:15:33,745 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 312 transitions, 690 flow [2023-11-19 05:15:33,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 313 places, 312 transitions, 690 flow [2023-11-19 05:15:33,909 INFO L124 PetriNetUnfolderBase]: 18/280 cut-off events. [2023-11-19 05:15:33,909 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-19 05:15:33,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 280 events. 18/280 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 511 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 234. Up to 3 conditions per place. [2023-11-19 05:15:33,936 INFO L119 LiptonReduction]: Number of co-enabled transitions 13876 [2023-11-19 05:16:06,441 INFO L134 LiptonReduction]: Checked pairs total: 64350 [2023-11-19 05:16:06,441 INFO L136 LiptonReduction]: Total number of compositions: 266 [2023-11-19 05:16:06,453 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 135 places, 125 transitions, 316 flow