./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:03:35,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:03:36,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:03:36,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:03:36,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:03:36,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:03:36,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:03:36,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:03:36,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:03:36,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:03:36,077 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:03:36,078 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:03:36,078 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:03:36,079 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:03:36,080 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:03:36,081 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:03:36,082 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:03:36,082 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:03:36,083 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:03:36,084 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:03:36,085 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:03:36,091 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:03:36,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:03:36,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:03:36,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:03:36,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:03:36,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:03:36,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:03:36,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:03:36,097 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:03:36,099 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:03:36,100 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:03:36,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:03:36,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:03:36,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:03:36,101 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:03:36,102 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:03:36,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:03:36,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:03:36,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:36,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:03:36,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:03:36,104 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:03:36,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:03:36,105 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:03:36,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:03:36,106 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_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 [2023-11-19 05:03:36,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:03:36,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:03:36,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:03:36,504 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:03:36,505 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:03:36,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-19 05:03:39,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:03:40,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:03:40,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-19 05:03:40,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/5b7981e4e/03bf996a571343bc93f834ad7265516b/FLAGa1309f29f [2023-11-19 05:03:40,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/5b7981e4e/03bf996a571343bc93f834ad7265516b [2023-11-19 05:03:40,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:03:40,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:03:40,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:40,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:03:40,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:03:40,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:40" (1/1) ... [2023-11-19 05:03:40,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500c55ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:40, skipping insertion in model container [2023-11-19 05:03:40,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:40" (1/1) ... [2023-11-19 05:03:40,311 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:40,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:40,536 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-19 05:03:40,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7996964c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:40, skipping insertion in model container [2023-11-19 05:03:40,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:40,538 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 05:03:40,540 INFO L158 Benchmark]: Toolchain (without parser) took 272.05ms. Allocated memory is still 155.2MB. Free memory was 123.2MB in the beginning and 112.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:03:40,540 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:40,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.95ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 112.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 05:03:40,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.95ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 112.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 124]: 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_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:03:43,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:03:43,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 05:03:43,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:03:43,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:03:43,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:03:43,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:03:43,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:03:43,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:03:43,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:03:43,527 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:03:43,528 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:03:43,528 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:03:43,530 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:03:43,531 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:03:43,532 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:03:43,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:03:43,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:03:43,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:03:43,535 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:03:43,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:03:43,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:03:43,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:03:43,537 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:03:43,538 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:03:43,539 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:03:43,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:03:43,540 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:03:43,540 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:03:43,541 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:03:43,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:03:43,543 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:03:43,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:03:43,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:03:43,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:03:43,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:03:43,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:43,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:03:43,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:03:43,548 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:03:43,548 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:03:43,549 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:03:43,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:03:43,549 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_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 [2023-11-19 05:03:44,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:03:44,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:03:44,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:03:44,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:03:44,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:03:44,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-19 05:03:47,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:03:48,169 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:03:48,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2023-11-19 05:03:48,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/59898eaf6/9438dadb290f4168849af0094b6bc412/FLAGcc8b2c6d2 [2023-11-19 05:03:48,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/data/59898eaf6/9438dadb290f4168849af0094b6bc412 [2023-11-19 05:03:48,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:03:48,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:03:48,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:48,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:03:48,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:03:48,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cafcaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48, skipping insertion in model container [2023-11-19 05:03:48,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:48,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:48,510 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 05:03:48,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:48,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:48,593 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:03:48,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:48,649 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:03:48,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48 WrapperNode [2023-11-19 05:03:48,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:48,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:48,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:03:48,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:03:48,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,734 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 209 [2023-11-19 05:03:48,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:48,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:03:48,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:03:48,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:03:48,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:03:48,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:03:48,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:03:48,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:03:48,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (1/1) ... [2023-11-19 05:03:48,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:48,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:48,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:03:48,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e5d528-670f-4722-852d-f004ca4a5bbb/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:03:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:03:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:03:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:03:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:03:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 05:03:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 05:03:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 05:03:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 05:03:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:03:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:03:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:03:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:03:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:03:48,903 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:03:49,120 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:03:49,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:03:50,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:03:50,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:03:50,050 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 05:03:50,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:50 BoogieIcfgContainer [2023-11-19 05:03:50,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:03:50,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:03:50,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:03:50,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:03:50,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:03:48" (1/3) ... [2023-11-19 05:03:50,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79427550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:50, skipping insertion in model container [2023-11-19 05:03:50,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:48" (2/3) ... [2023-11-19 05:03:50,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79427550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:50, skipping insertion in model container [2023-11-19 05:03:50,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:50" (3/3) ... [2023-11-19 05:03:50,069 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-11-19 05:03:50,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:03:50,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-19 05:03:50,092 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:03:50,288 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 05:03:50,386 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:03:50,412 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 306 transitions, 626 flow [2023-11-19 05:03:50,416 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 306 transitions, 626 flow [2023-11-19 05:03:50,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 289 places, 306 transitions, 626 flow [2023-11-19 05:03:50,540 INFO L124 PetriNetUnfolderBase]: 24/304 cut-off events. [2023-11-19 05:03:50,540 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 05:03:50,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 304 events. 24/304 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 702 event pairs, 0 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-11-19 05:03:50,559 INFO L119 LiptonReduction]: Number of co-enabled transitions 11092