./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.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_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/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_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/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_985f994a-9c6d-4c06-acd2-015081d93ca6/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 54b834084fe1393c06cef2b14fb31f788537bd44a8744d5b4241cffc72e1d744 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:03:42,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:03:42,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:03:42,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:03:42,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:03:42,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:03:42,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:03:42,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:03:42,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:03:42,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:03:42,612 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:03:42,613 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:03:42,613 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:03:42,614 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:03:42,615 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:03:42,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:03:42,616 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:03:42,616 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:03:42,617 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:03:42,618 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:03:42,618 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:03:42,619 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:03:42,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:03:42,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:03:42,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:03:42,622 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:03:42,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:03:42,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:03:42,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:03:42,625 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:03:42,625 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:03:42,626 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:03:42,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:03:42,627 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:03:42,627 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:03:42,628 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:03:42,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:03:42,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:03:42,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:03:42,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:03:42,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:03:42,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:03:42,630 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:03:42,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:03:42,631 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:03:42,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:03:42,631 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_985f994a-9c6d-4c06-acd2-015081d93ca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b834084fe1393c06cef2b14fb31f788537bd44a8744d5b4241cffc72e1d744 [2023-11-06 21:03:42,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:03:43,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:03:43,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:03:43,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:03:43,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:03:43,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-06 21:03:46,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:03:46,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:03:46,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-06 21:03:46,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data/bf8865f33/796482608be944d2a877ea2f1835a555/FLAG19258b880 [2023-11-06 21:03:46,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data/bf8865f33/796482608be944d2a877ea2f1835a555 [2023-11-06 21:03:46,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:03:46,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:03:46,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:46,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:03:46,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:03:46,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:46" (1/1) ... [2023-11-06 21:03:46,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301830c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:46, skipping insertion in model container [2023-11-06 21:03:46,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:46" (1/1) ... [2023-11-06 21:03:46,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:03:46,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:46,681 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 21:03:46,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4125ac5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:46, skipping insertion in model container [2023-11-06 21:03:46,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:46,683 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:03:46,685 INFO L158 Benchmark]: Toolchain (without parser) took 277.92ms. Allocated memory is still 201.3MB. Free memory was 163.8MB in the beginning and 153.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:03:46,686 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 176.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:03:46,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.38ms. Allocated memory is still 201.3MB. Free memory was 163.5MB in the beginning and 153.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:03:46,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 176.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.38ms. Allocated memory is still 201.3MB. Free memory was 163.5MB in the beginning and 153.0MB 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: 145]: 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_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/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_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/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_985f994a-9c6d-4c06-acd2-015081d93ca6/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 54b834084fe1393c06cef2b14fb31f788537bd44a8744d5b4241cffc72e1d744 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:03:49,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:03:49,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:03:49,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:03:49,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:03:49,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:03:49,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:03:49,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:03:49,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:03:49,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:03:49,514 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:03:49,515 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:03:49,515 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:03:49,517 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:03:49,518 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:03:49,518 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:03:49,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:03:49,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:03:49,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:03:49,521 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:03:49,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:03:49,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:03:49,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:03:49,523 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:03:49,524 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:03:49,524 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:03:49,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:03:49,525 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:03:49,525 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:03:49,526 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:03:49,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:03:49,527 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:03:49,528 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:03:49,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:03:49,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:03:49,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:03:49,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:03:49,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:03:49,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:03:49,530 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:03:49,530 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:03:49,531 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:03:49,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:03:49,531 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_985f994a-9c6d-4c06-acd2-015081d93ca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b834084fe1393c06cef2b14fb31f788537bd44a8744d5b4241cffc72e1d744 [2023-11-06 21:03:50,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:03:50,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:03:50,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:03:50,034 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:03:50,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:03:50,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-06 21:03:53,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:03:53,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:03:53,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-11-06 21:03:53,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data/25a78ff46/ae15906c98a8417c949479c2ebfe04ef/FLAGb427c2b97 [2023-11-06 21:03:53,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/data/25a78ff46/ae15906c98a8417c949479c2ebfe04ef [2023-11-06 21:03:53,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:03:53,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:03:53,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:53,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:03:53,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:03:53,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c78970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53, skipping insertion in model container [2023-11-06 21:03:53,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:03:53,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:53,696 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:03:53,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:03:53,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:53,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:03:53,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:03:53,833 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:03:53,833 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:03:53,841 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:03:53,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53 WrapperNode [2023-11-06 21:03:53,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:03:53,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:03:53,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:03:53,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:03:53,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,905 INFO L138 Inliner]: procedures = 29, calls = 69, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 299 [2023-11-06 21:03:53,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:03:53,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:03:53,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:03:53,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:03:53,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:53,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:03:54,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:03:54,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:03:54,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:03:54,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (1/1) ... [2023-11-06 21:03:54,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:03:54,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:03:54,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:03:54,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985f994a-9c6d-4c06-acd2-015081d93ca6/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:03:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:03:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:03:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:03:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:03:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 21:03:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 21:03:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 21:03:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 21:03:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 21:03:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 21:03:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-06 21:03:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-06 21:03:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:03:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:03:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:03:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:03:54,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:03:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:03:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:03:54,101 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 21:03:54,278 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:03:54,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:03:55,066 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:03:55,376 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:03:55,376 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-06 21:03:55,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:03:55 BoogieIcfgContainer [2023-11-06 21:03:55,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:03:55,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:03:55,381 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:03:55,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:03:55,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:03:53" (1/3) ... [2023-11-06 21:03:55,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb02c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:03:55, skipping insertion in model container [2023-11-06 21:03:55,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:03:53" (2/3) ... [2023-11-06 21:03:55,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb02c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:03:55, skipping insertion in model container [2023-11-06 21:03:55,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:03:55" (3/3) ... [2023-11-06 21:03:55,388 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2023-11-06 21:03:55,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:03:55,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-06 21:03:55,408 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:03:55,533 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-06 21:03:55,570 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 21:03:55,585 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 240 transitions, 508 flow [2023-11-06 21:03:55,588 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 240 transitions, 508 flow [2023-11-06 21:03:55,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 240 transitions, 508 flow [2023-11-06 21:03:55,687 INFO L124 PetriNetUnfolderBase]: 15/236 cut-off events. [2023-11-06 21:03:55,688 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 21:03:55,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 236 events. 15/236 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 219 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2023-11-06 21:03:55,699 INFO L119 LiptonReduction]: Number of co-enabled transitions 4080