./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 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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:17,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:17,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 04:54:17,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:17,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:17,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:17,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:17,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:17,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:17,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:17,459 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:17,460 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:17,460 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:17,461 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:54:17,461 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:17,462 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:17,462 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:54:17,463 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:54:17,463 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:17,464 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:54:17,465 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:54:17,465 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:54:17,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:54:17,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:54:17,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:17,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:54:17,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:54:17,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:54:17,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:17,470 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:54:17,471 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:54:17,471 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:54:17,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:17,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:54:17,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:54:17,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:54:17,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:17,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:17,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:17,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:17,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:17,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:17,477 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:54:17,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:54:17,478 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:17,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:17,478 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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-19 04:54:17,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:17,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:17,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:17,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:17,819 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:17,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:54:21,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:21,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:21,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:54:21,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data/8bfd3bc40/d603a0c911ca4bf0900c1b1050d3d5a9/FLAGc1ff04824 [2023-11-19 04:54:21,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data/8bfd3bc40/d603a0c911ca4bf0900c1b1050d3d5a9 [2023-11-19 04:54:21,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:21,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:21,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:21,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:21,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:21,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:21" (1/1) ... [2023-11-19 04:54:21,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512e6364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:21, skipping insertion in model container [2023-11-19 04:54:21,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:21" (1/1) ... [2023-11-19 04:54:21,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:21,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:21,770 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 04:54:21,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17d6fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:21, skipping insertion in model container [2023-11-19 04:54:21,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:21,771 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:54:21,774 INFO L158 Benchmark]: Toolchain (without parser) took 397.03ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 113.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:54:21,775 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.2MB in the end (delta: 228.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:54:21,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.06ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 113.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:54:21,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.2MB in the end (delta: 228.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.06ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 113.8MB 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:24,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:24,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 04:54:24,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:24,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:24,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:24,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:24,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:24,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:24,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:24,559 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:24,559 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:24,560 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:24,562 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:24,562 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:24,563 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:24,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:54:24,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:54:24,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:24,566 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:54:24,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:54:24,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:54:24,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:24,568 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:54:24,568 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:54:24,569 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:54:24,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:24,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:54:24,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:54:24,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:54:24,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:54:24,573 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:54:24,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:24,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:24,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:54:24,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:24,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:24,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:24,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:24,576 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:54:24,576 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:54:24,576 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:24,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:24,577 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_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-19 04:54:25,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:25,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:25,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:25,072 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:25,073 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:25,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:54:28,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:28,532 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:28,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 04:54:28,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data/1e6d8fc19/4aa3ffd2ff1c4ee7911ca0de417de75a/FLAG030138e86 [2023-11-19 04:54:28,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/data/1e6d8fc19/4aa3ffd2ff1c4ee7911ca0de417de75a [2023-11-19 04:54:28,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:28,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:28,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:28,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:28,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:28,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:28" (1/1) ... [2023-11-19 04:54:28,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382b79f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:28, skipping insertion in model container [2023-11-19 04:54:28,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:28" (1/1) ... [2023-11-19 04:54:28,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:28,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:28,923 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:54:28,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:29,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:29,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:54:29,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:29,096 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:54:29,097 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:54:29,106 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:54:29,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29 WrapperNode [2023-11-19 04:54:29,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:29,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:29,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:54:29,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:54:29,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,213 INFO L138 Inliner]: procedures = 31, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 392 [2023-11-19 04:54:29,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:29,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:54:29,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:54:29,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:54:29,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:54:29,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:54:29,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:54:29,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:54:29,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (1/1) ... [2023-11-19 04:54:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:29,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:54:29,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:54:29,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c07e6783-5eaa-4c2e-a3a1-d02ee3464491/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:54:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:54:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:54:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:54:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:54:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:54:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:54:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:54:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:54:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:54:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:54:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:54:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:54:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 04:54:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 04:54:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 04:54:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 04:54:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:54:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:54:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:54:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:54:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:54:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:54:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:54:29,525 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 04:54:29,741 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:54:29,744 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:54:30,697 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:31,082 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:31,082 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:54:31,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:31 BoogieIcfgContainer [2023-11-19 04:54:31,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:31,096 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:31,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:31,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:31,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:28" (1/3) ... [2023-11-19 04:54:31,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:31, skipping insertion in model container [2023-11-19 04:54:31,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:29" (2/3) ... [2023-11-19 04:54:31,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ebf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:31, skipping insertion in model container [2023-11-19 04:54:31,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:31" (3/3) ... [2023-11-19 04:54:31,108 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-19 04:54:31,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:31,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-19 04:54:31,131 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:54:31,390 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-19 04:54:31,432 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:54:31,446 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 359 places, 363 transitions, 792 flow [2023-11-19 04:54:31,450 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 359 places, 363 transitions, 792 flow [2023-11-19 04:54:31,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 363 transitions, 792 flow [2023-11-19 04:54:31,583 INFO L124 PetriNetUnfolderBase]: 21/313 cut-off events. [2023-11-19 04:54:31,584 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-19 04:54:31,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 313 events. 21/313 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 505 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 259. Up to 3 conditions per place. [2023-11-19 04:54:31,606 INFO L119 LiptonReduction]: Number of co-enabled transitions 15604 [2023-11-19 04:55:07,320 INFO L134 LiptonReduction]: Checked pairs total: 62653 [2023-11-19 04:55:07,321 INFO L136 LiptonReduction]: Total number of compositions: 341 [2023-11-19 04:55:07,331 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 121 transitions, 308 flow