./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:58:24,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:58:24,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:58:24,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:58:24,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:58:24,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:58:24,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:58:24,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:58:24,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:58:24,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:58:24,902 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:58:24,903 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:58:24,903 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:58:24,905 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:58:24,906 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:58:24,906 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:58:24,907 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:58:24,907 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:58:24,908 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:58:24,908 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:58:24,909 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:58:24,926 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:58:24,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:58:24,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:58:24,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:58:24,929 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:58:24,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:58:24,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:58:24,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:58:24,931 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:58:24,933 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:58:24,933 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:58:24,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:58:24,933 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:58:24,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:58:24,934 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:58:24,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:58:24,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:58:24,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:58:24,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:58:24,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:58:24,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:58:24,937 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:58:24,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:58:24,938 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:58:24,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:58:24,939 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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2023-11-06 20:58:25,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:58:25,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:58:25,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:58:25,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:58:25,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:58:25,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-11-06 20:58:28,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:58:28,664 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:58:28,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-11-06 20:58:28,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data/c02911410/3c50041dc5e64c20b0b6a14512510e41/FLAG864251c71 [2023-11-06 20:58:28,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data/c02911410/3c50041dc5e64c20b0b6a14512510e41 [2023-11-06 20:58:28,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:58:28,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:58:28,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:58:28,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:58:28,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:58:28,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:28" (1/1) ... [2023-11-06 20:58:28,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d45ef8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:28, skipping insertion in model container [2023-11-06 20:58:28,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:28" (1/1) ... [2023-11-06 20:58:28,728 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:58:28,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:58:28,972 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 20:58:28,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35b36481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:28, skipping insertion in model container [2023-11-06 20:58:28,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:58:28,974 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:58:28,975 INFO L158 Benchmark]: Toolchain (without parser) took 282.16ms. Allocated memory is still 123.7MB. Free memory was 80.2MB in the beginning and 70.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:58:28,976 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:58:28,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.64ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 70.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:58:28,978 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 123.7MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.64ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 70.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 104]: 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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:58:31,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:58:31,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:58:31,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:58:31,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:58:31,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:58:31,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:58:31,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:58:31,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:58:31,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:58:31,772 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:58:31,773 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:58:31,773 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:58:31,775 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:58:31,775 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:58:31,776 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:58:31,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:58:31,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:58:31,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:58:31,779 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:58:31,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:58:31,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:58:31,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:58:31,781 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:58:31,781 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:58:31,781 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:58:31,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:58:31,782 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:58:31,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:58:31,783 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:58:31,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:58:31,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:58:31,785 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:58:31,785 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:58:31,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:58:31,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:58:31,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:58:31,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:58:31,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:58:31,787 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:58:31,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:58:31,788 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:58:31,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:58:31,788 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_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2023-11-06 20:58:32,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:58:32,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:58:32,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:58:32,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:58:32,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:58:32,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-11-06 20:58:35,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:58:35,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:58:35,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-11-06 20:58:35,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data/3b7412453/cbf0e92f1a5f4fbb8289a33ce54574be/FLAG5aee9f9bb [2023-11-06 20:58:35,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/data/3b7412453/cbf0e92f1a5f4fbb8289a33ce54574be [2023-11-06 20:58:35,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:58:35,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:58:35,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:58:35,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:58:35,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:58:35,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:35" (1/1) ... [2023-11-06 20:58:35,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a52f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:35, skipping insertion in model container [2023-11-06 20:58:35,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:35" (1/1) ... [2023-11-06 20:58:35,928 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:58:36,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:58:36,228 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:58:36,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:58:36,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:58:36,265 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:58:36,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:58:36,307 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:58:36,308 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:58:36,316 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:58:36,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36 WrapperNode [2023-11-06 20:58:36,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:58:36,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:58:36,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:58:36,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:58:36,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,404 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 193 [2023-11-06 20:58:36,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:58:36,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:58:36,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:58:36,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:58:36,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:58:36,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:58:36,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:58:36,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:58:36,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (1/1) ... [2023-11-06 20:58:36,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:58:36,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:58:36,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:58:36,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2657ca1d-00ee-47bd-9887-ca0dc44bbcba/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:58:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:58:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:58:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:58:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:58:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:58:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:58:36,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:58:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:58:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 20:58:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 20:58:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 20:58:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 20:58:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:58:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:58:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:58:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:58:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:58:36,607 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 20:58:36,771 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:58:36,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:58:37,482 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:58:37,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:58:37,806 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 20:58:37,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:58:37 BoogieIcfgContainer [2023-11-06 20:58:37,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:58:37,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:58:37,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:58:37,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:58:37,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:58:35" (1/3) ... [2023-11-06 20:58:37,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2353bcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:58:37, skipping insertion in model container [2023-11-06 20:58:37,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:36" (2/3) ... [2023-11-06 20:58:37,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2353bcda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:58:37, skipping insertion in model container [2023-11-06 20:58:37,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:58:37" (3/3) ... [2023-11-06 20:58:37,826 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2023-11-06 20:58:37,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:58:37,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-06 20:58:37,851 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:58:37,961 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 20:58:38,018 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:58:38,041 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 180 transitions, 381 flow [2023-11-06 20:58:38,046 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 180 transitions, 381 flow [2023-11-06 20:58:38,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 178 places, 180 transitions, 381 flow [2023-11-06 20:58:38,179 INFO L124 PetriNetUnfolderBase]: 12/177 cut-off events. [2023-11-06 20:58:38,179 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 20:58:38,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 177 events. 12/177 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 195 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2023-11-06 20:58:38,191 INFO L119 LiptonReduction]: Number of co-enabled transitions 2418