./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX --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 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:23,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:23,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:52:23,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:23,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:23,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:23,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:23,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:23,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:23,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:23,771 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:23,772 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:23,773 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:23,774 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:23,774 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:23,775 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:23,776 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:23,777 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:23,777 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:23,778 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:23,779 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:23,780 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:23,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:23,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:23,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:23,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:23,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:23,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:23,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:23,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:52:23,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:52:23,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:23,787 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:23,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:23,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:23,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:23,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:23,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:23,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:23,791 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:23,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:23,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:23,793 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:23,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:23,793 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_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 [2023-11-12 00:52:24,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:24,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:24,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:24,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:24,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:24,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-11-12 00:52:27,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:29,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:29,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-11-12 00:52:30,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data/7e119f3a2/d1a155de618144c0888ffbeb15898279/FLAGca55b31e0 [2023-11-12 00:52:30,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data/7e119f3a2/d1a155de618144c0888ffbeb15898279 [2023-11-12 00:52:30,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:30,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:30,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:30,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:30,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:30,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:30" (1/1) ... [2023-11-12 00:52:30,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37829a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:30, skipping insertion in model container [2023-11-12 00:52:30,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:30" (1/1) ... [2023-11-12 00:52:31,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:53:05,510 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 00:53:05,515 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 00:53:05,516 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 00:53:05,518 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 00:53:05,522 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 00:53:05,523 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 00:53:05,524 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 00:53:05,534 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 00:53:05,535 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 00:53:05,617 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 00:53:05,782 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 00:53:06,472 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 00:53:07,146 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. [2023-11-12 00:53:07,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d228bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:07, skipping insertion in model container [2023-11-12 00:53:07,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:07,149 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:53:07,152 INFO L158 Benchmark]: Toolchain (without parser) took 36872.21ms. Allocated memory was 153.1MB in the beginning and 314.6MB in the end (delta: 161.5MB). Free memory was 60.2MB in the beginning and 119.8MB in the end (delta: -59.7MB). Peak memory consumption was 234.9MB. Max. memory is 16.1GB. [2023-11-12 00:53:07,153 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:53:07,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 36869.62ms. Allocated memory was 153.1MB in the beginning and 314.6MB in the end (delta: 161.5MB). Free memory was 59.9MB in the beginning and 119.8MB in the end (delta: -60.0MB). Peak memory consumption was 234.9MB. Max. memory is 16.1GB. [2023-11-12 00:53:07,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 113.2MB. Free memory was 83.6MB in the beginning and 83.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 36869.62ms. Allocated memory was 153.1MB in the beginning and 314.6MB in the end (delta: 161.5MB). Free memory was 59.9MB in the beginning and 119.8MB in the end (delta: -60.0MB). Peak memory consumption was 234.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 39989]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX --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 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:53:09,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:53:10,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 00:53:10,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:53:10,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:53:10,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:53:10,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:53:10,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:53:10,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:53:10,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:53:10,135 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:53:10,135 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:53:10,136 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:53:10,137 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:53:10,138 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:53:10,139 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:53:10,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:53:10,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:53:10,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:53:10,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:53:10,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:53:10,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:53:10,145 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:53:10,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:53:10,146 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:53:10,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:53:10,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:53:10,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:53:10,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:53:10,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:53:10,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:53:10,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:53:10,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:53:10,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:53:10,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:53:10,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:53:10,153 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:53:10,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:53:10,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:53:10,154 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:53:10,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:53:10,155 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_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8aac95267dec68e99458351999ea740fa786a82a6feb1ce5c8effaf4a32372 [2023-11-12 00:53:10,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:53:10,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:53:10,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:53:10,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:53:10,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:53:10,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-11-12 00:53:14,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:53:17,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:53:17,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/sv-benchmarks/c/goblint-coreutils/instrumented_interval_du_comb.i [2023-11-12 00:53:17,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data/2f8554973/a30696a361304160972d2c3f3730079d/FLAG06c628565 [2023-11-12 00:53:17,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d9fe0a-b09e-44b9-a0c0-c7b2fd323c73/bin/utaipan-verify-NcY6lQBIFX/data/2f8554973/a30696a361304160972d2c3f3730079d [2023-11-12 00:53:17,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:53:17,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:53:17,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:53:17,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:53:17,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:53:17,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:17" (1/1) ... [2023-11-12 00:53:17,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbaa279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:53:17, skipping insertion in model container [2023-11-12 00:53:17,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:53:17" (1/1) ... [2023-11-12 00:53:18,713 INFO L177 MainTranslator]: Built tables and reachable declarations