./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.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_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/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_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/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_fc474367-effb-4f2e-9e10-f0decbefd864/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 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:55:44,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:55:44,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:55:44,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:55:44,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:55:44,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:55:44,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:55:44,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:55:44,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:55:44,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:55:44,652 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:55:44,653 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:55:44,654 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:55:44,654 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:55:44,655 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:55:44,655 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:55:44,656 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:55:44,657 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:55:44,657 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:55:44,658 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:55:44,659 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:55:44,659 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:55:44,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:55:44,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:55:44,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:55:44,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:55:44,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:55:44,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:55:44,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:55:44,664 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:55:44,664 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:55:44,665 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:55:44,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:55:44,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:55:44,666 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:55:44,666 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:55:44,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:55:44,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:55:44,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:55:44,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:55:44,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:55:44,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:55:44,668 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:55:44,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:55:44,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:55:44,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:55:44,670 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_fc474367-effb-4f2e-9e10-f0decbefd864/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 [2023-11-06 20:55:45,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:55:45,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:55:45,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:55:45,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:55:45,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:55:45,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-06 20:55:48,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:55:48,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:55:48,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-06 20:55:48,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data/6d76325f2/1838943e5d574868b73a3ef439faeb4c/FLAGec4d72c81 [2023-11-06 20:55:48,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data/6d76325f2/1838943e5d574868b73a3ef439faeb4c [2023-11-06 20:55:48,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:55:48,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:55:48,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:55:48,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:55:48,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:55:48,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:55:48" (1/1) ... [2023-11-06 20:55:48,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61487140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:48, skipping insertion in model container [2023-11-06 20:55:48,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:55:48" (1/1) ... [2023-11-06 20:55:48,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:55:48,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:55:48,587 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-06 20:55:48,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50cb764d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:48, skipping insertion in model container [2023-11-06 20:55:48,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:55:48,588 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:55:48,590 INFO L158 Benchmark]: Toolchain (without parser) took 265.46ms. Allocated memory is still 138.4MB. Free memory was 100.0MB in the beginning and 90.1MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 20:55:48,591 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:55:48,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.66ms. Allocated memory is still 138.4MB. Free memory was 99.5MB in the beginning and 90.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 20:55:48,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.66ms. Allocated memory is still 138.4MB. Free memory was 99.5MB in the beginning and 90.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 107]: 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_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/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_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/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_fc474367-effb-4f2e-9e10-f0decbefd864/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 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:55:51,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:55:51,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:55:51,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:55:51,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:55:51,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:55:51,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:55:51,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:55:51,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:55:51,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:55:51,309 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:55:51,309 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:55:51,310 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:55:51,310 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:55:51,311 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:55:51,312 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:55:51,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:55:51,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:55:51,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:55:51,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:55:51,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:55:51,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:55:51,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:55:51,318 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:55:51,318 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:55:51,319 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:55:51,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:55:51,320 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:55:51,321 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:55:51,321 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:55:51,322 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:55:51,323 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:55:51,323 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:55:51,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:55:51,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:55:51,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:55:51,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:55:51,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:55:51,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:55:51,326 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:55:51,327 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:55:51,327 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:55:51,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:55:51,328 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_fc474367-effb-4f2e-9e10-f0decbefd864/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 [2023-11-06 20:55:51,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:55:51,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:55:51,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:55:51,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:55:51,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:55:51,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-06 20:55:54,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:55:55,229 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:55:55,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-06 20:55:55,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data/bb96a7243/31b8cfa1ad90438d851d223f1f82f226/FLAG306fc6cc6 [2023-11-06 20:55:55,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/data/bb96a7243/31b8cfa1ad90438d851d223f1f82f226 [2023-11-06 20:55:55,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:55:55,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:55:55,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:55:55,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:55:55,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:55:55,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a937a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55, skipping insertion in model container [2023-11-06 20:55:55,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:55:55,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:55:55,618 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:55:55,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:55:55,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:55:55,666 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:55:55,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:55:55,736 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:55:55,736 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:55:55,744 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:55:55,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55 WrapperNode [2023-11-06 20:55:55,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:55:55,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:55:55,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:55:55,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:55:55,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,808 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-11-06 20:55:55,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:55:55,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:55:55,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:55:55,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:55:55,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:55:55,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:55:55,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:55:55,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:55:55,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (1/1) ... [2023-11-06 20:55:55,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:55:55,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:55:55,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:55:55,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc474367-effb-4f2e-9e10-f0decbefd864/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:55:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:55:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:55:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:55:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:55:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:55:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:55:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:55:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:55:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 20:55:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 20:55:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 20:55:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 20:55:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:55:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:55:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:55:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:55:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:55:55,971 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 20:55:56,104 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:55:56,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:55:56,632 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:55:56,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:55:56,781 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 20:55:56,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:55:56 BoogieIcfgContainer [2023-11-06 20:55:56,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:55:56,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:55:56,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:55:56,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:55:56,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:55:55" (1/3) ... [2023-11-06 20:55:56,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac030c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:55:56, skipping insertion in model container [2023-11-06 20:55:56,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:55:55" (2/3) ... [2023-11-06 20:55:56,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac030c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:55:56, skipping insertion in model container [2023-11-06 20:55:56,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:55:56" (3/3) ... [2023-11-06 20:55:56,793 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2023-11-06 20:55:56,814 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:55:56,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-06 20:55:56,814 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:55:56,898 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 20:55:56,937 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:55:56,951 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 181 transitions, 383 flow [2023-11-06 20:55:56,954 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 181 transitions, 383 flow [2023-11-06 20:55:56,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 181 places, 181 transitions, 383 flow [2023-11-06 20:55:57,030 INFO L124 PetriNetUnfolderBase]: 10/178 cut-off events. [2023-11-06 20:55:57,030 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 20:55:57,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 178 events. 10/178 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 192 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 135. Up to 2 conditions per place. [2023-11-06 20:55:57,039 INFO L119 LiptonReduction]: Number of co-enabled transitions 1890