./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:45:05,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:45:05,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-21 19:45:05,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:45:05,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:45:05,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:45:05,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:45:05,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:45:05,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:45:05,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:45:05,822 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:45:05,822 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:45:05,823 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:45:05,823 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:45:05,824 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:45:05,824 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:45:05,825 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:45:05,825 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:45:05,826 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:45:05,827 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:45:05,827 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:45:05,828 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:45:05,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:45:05,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:45:05,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:45:05,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:45:05,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:45:05,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:45:05,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:45:05,832 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:45:05,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:45:05,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:45:05,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:45:05,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:45:05,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:45:05,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:45:05,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:45:05,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:45:05,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:45:05,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:45:05,837 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:45:05,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:45:05,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:45:05,838 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:45:05,838 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:45:05,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:45:05,838 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_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-21 19:45:06,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:45:06,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:45:06,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:45:06,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:45:06,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:45:06,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-21 19:45:09,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:45:11,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:45:11,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-21 19:45:11,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data/12bb756de/06ab6e1af73748daa651a2fce3012ccf/FLAG39826bea3 [2023-11-21 19:45:11,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data/12bb756de/06ab6e1af73748daa651a2fce3012ccf [2023-11-21 19:45:11,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:45:11,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:45:11,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:45:11,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:45:11,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:45:11,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:45:11" (1/1) ... [2023-11-21 19:45:11,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62489822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:45:11, skipping insertion in model container [2023-11-21 19:45:11,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:45:11" (1/1) ... [2023-11-21 19:45:12,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:45:45,028 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-21 19:45:45,039 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-21 19:45:45,041 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-21 19:45:45,044 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-21 19:45:45,049 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-21 19:45:45,053 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-21 19:45:45,055 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-21 19:45:45,065 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-21 19:45:45,067 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-21 19:45:45,178 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-21 19:45:45,375 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-21 19:45:46,305 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-21 19:45:46,657 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-21 19:45:46,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d81e765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:45:46, skipping insertion in model container [2023-11-21 19:45:46,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:45:46,659 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 19:45:46,661 INFO L158 Benchmark]: Toolchain (without parser) took 34802.04ms. Allocated memory was 148.9MB in the beginning and 400.6MB in the end (delta: 251.7MB). Free memory was 73.5MB in the beginning and 206.9MB in the end (delta: -133.5MB). Peak memory consumption was 278.1MB. Max. memory is 16.1GB. [2023-11-21 19:45:46,662 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:45:46,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 34799.39ms. Allocated memory was 148.9MB in the beginning and 400.6MB in the end (delta: 251.7MB). Free memory was 73.0MB in the beginning and 206.9MB in the end (delta: -133.9MB). Peak memory consumption was 278.1MB. Max. memory is 16.1GB. [2023-11-21 19:45:46,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 34799.39ms. Allocated memory was 148.9MB in the beginning and 400.6MB in the end (delta: 251.7MB). Free memory was 73.0MB in the beginning and 206.9MB in the end (delta: -133.9MB). Peak memory consumption was 278.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36942]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. 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_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:45:49,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:45:49,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-21 19:45:49,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:45:49,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:45:49,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:45:49,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:45:49,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:45:49,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:45:49,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:45:49,582 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:45:49,583 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:45:49,583 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:45:49,585 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:45:49,586 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:45:49,587 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:45:49,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:45:49,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:45:49,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:45:49,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:45:49,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:45:49,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:45:49,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:45:49,592 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:45:49,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 19:45:49,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:45:49,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:45:49,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:45:49,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:45:49,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:45:49,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:45:49,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:45:49,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:45:49,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:45:49,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:45:49,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:45:49,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:45:49,600 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:45:49,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:45:49,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:45:49,602 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:45:49,602 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:45:49,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:45:49,603 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_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-21 19:45:50,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:45:50,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:45:50,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:45:50,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:45:50,176 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:45:50,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-21 19:45:53,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:45:56,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:45:56,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-21 19:45:56,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data/9cc7b6cea/dbd7b7f897da4395a49571569cd2ec1c/FLAG8ed96d95a [2023-11-21 19:45:56,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5aa9df-1acb-4349-a8b0-4ca330467693/bin/utaipan-verify-QoSU8krkJ5/data/9cc7b6cea/dbd7b7f897da4395a49571569cd2ec1c [2023-11-21 19:45:56,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:45:56,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:45:56,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:45:56,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:45:56,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:45:56,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:45:56" (1/1) ... [2023-11-21 19:45:56,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e38d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:45:56, skipping insertion in model container [2023-11-21 19:45:56,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:45:56" (1/1) ... [2023-11-21 19:45:57,390 INFO L177 MainTranslator]: Built tables and reachable declarations