./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --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_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/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_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/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_7b9e089c-a186-4cea-8995-0160033a0d61/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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:30:01,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:30:01,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:30:01,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:30:01,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:30:01,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:30:01,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:30:01,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:30:01,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:30:01,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:30:01,987 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:30:01,987 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:30:01,988 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:30:01,990 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:30:01,990 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:30:01,991 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:30:01,991 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:30:01,992 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:30:01,992 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:30:01,993 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:30:01,993 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:30:01,994 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:30:01,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:30:01,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:30:01,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:30:01,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:30:01,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:30:01,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:30:01,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:30:01,999 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:30:02,001 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:30:02,002 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:30:02,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:30:02,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:30:02,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:30:02,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:30:02,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:30:02,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:30:02,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:30:02,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:30:02,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:30:02,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:30:02,005 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:30:02,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:30:02,006 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:30:02,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:30:02,006 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_7b9e089c-a186-4cea-8995-0160033a0d61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2023-11-06 20:30:02,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:30:02,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:30:02,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:30:02,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:30:02,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:30:02,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 20:30:05,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:30:06,188 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:30:06,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 20:30:06,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data/3b729dff7/8d297c6c4dc14552825e40b572973f4f/FLAG35005720a [2023-11-06 20:30:06,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data/3b729dff7/8d297c6c4dc14552825e40b572973f4f [2023-11-06 20:30:06,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:30:06,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:30:06,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:30:06,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:30:06,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:30:06,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:30:06" (1/1) ... [2023-11-06 20:30:06,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd4c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:06, skipping insertion in model container [2023-11-06 20:30:06,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:30:06" (1/1) ... [2023-11-06 20:30:06,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:30:06,870 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:06,871 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:06,871 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:06,872 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:06,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:30:06,942 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 20:30:06,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fc970b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:06, skipping insertion in model container [2023-11-06 20:30:06,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:30:06,943 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:30:06,945 INFO L158 Benchmark]: Toolchain (without parser) took 705.03ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 76.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 20:30:06,946 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 98.6MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:30:06,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.54ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 76.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 20:30:06,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 98.6MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.54ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 76.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1031]: 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_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/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_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/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_7b9e089c-a186-4cea-8995-0160033a0d61/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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:30:09,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:30:09,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:30:09,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:30:09,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:30:09,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:30:09,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:30:09,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:30:09,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:30:09,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:30:09,991 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:30:09,992 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:30:09,992 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:30:09,994 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:30:09,995 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:30:09,995 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:30:09,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:30:09,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:30:09,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:30:09,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:30:10,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:30:10,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:30:10,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:30:10,002 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:30:10,003 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:30:10,003 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:30:10,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:30:10,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:30:10,005 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:30:10,005 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:30:10,007 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:30:10,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:30:10,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:30:10,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:30:10,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:30:10,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:30:10,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:30:10,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:30:10,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:30:10,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:30:10,011 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:30:10,012 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:30:10,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:30:10,012 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_7b9e089c-a186-4cea-8995-0160033a0d61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2023-11-06 20:30:10,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:30:10,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:30:10,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:30:10,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:30:10,656 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:30:10,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 20:30:14,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:30:14,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:30:14,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2023-11-06 20:30:14,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data/77a5234d0/eb921902dd10469791472b869e2d1908/FLAG907e03a0f [2023-11-06 20:30:14,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/data/77a5234d0/eb921902dd10469791472b869e2d1908 [2023-11-06 20:30:14,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:30:14,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:30:14,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:30:14,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:30:14,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:30:14,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:30:14" (1/1) ... [2023-11-06 20:30:14,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7047b050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:14, skipping insertion in model container [2023-11-06 20:30:14,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:30:14" (1/1) ... [2023-11-06 20:30:14,921 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:30:15,581 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,582 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,583 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,584 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:30:15,660 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:30:15,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:30:15,716 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,716 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,717 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,719 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:30:15,762 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:30:15,810 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,811 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,811 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,812 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-06 20:30:15,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:30:15,934 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:30:15,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15 WrapperNode [2023-11-06 20:30:15,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:30:15,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:30:15,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:30:15,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:30:15,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:15,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,031 INFO L138 Inliner]: procedures = 274, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2023-11-06 20:30:16,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:30:16,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:30:16,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:30:16,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:30:16,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:30:16,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:30:16,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:30:16,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:30:16,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (1/1) ... [2023-11-06 20:30:16,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:30:16,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:30:16,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:30:16,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9e089c-a186-4cea-8995-0160033a0d61/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:30:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:30:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-06 20:30:16,180 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-06 20:30:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:30:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 20:30:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:30:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:30:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 20:30:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:30:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:30:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 20:30:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:30:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:30:16,183 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 20:30:16,352 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:30:16,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:30:16,991 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:30:17,000 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:30:17,001 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 20:30:17,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:30:17 BoogieIcfgContainer [2023-11-06 20:30:17,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:30:17,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:30:17,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:30:17,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:30:17,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:30:14" (1/3) ... [2023-11-06 20:30:17,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609f6276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:30:17, skipping insertion in model container [2023-11-06 20:30:17,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:30:15" (2/3) ... [2023-11-06 20:30:17,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609f6276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:30:17, skipping insertion in model container [2023-11-06 20:30:17,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:30:17" (3/3) ... [2023-11-06 20:30:17,035 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2023-11-06 20:30:17,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:30:17,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-11-06 20:30:17,051 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:30:17,175 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 20:30:17,212 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:30:17,228 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 218 transitions, 444 flow [2023-11-06 20:30:17,231 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 218 transitions, 444 flow [2023-11-06 20:30:17,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 218 transitions, 444 flow [2023-11-06 20:30:17,342 INFO L124 PetriNetUnfolderBase]: 14/216 cut-off events. [2023-11-06 20:30:17,342 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 20:30:17,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 216 events. 14/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 672 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2023-11-06 20:30:17,357 INFO L119 LiptonReduction]: Number of co-enabled transitions 8400