./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 0e0057cc 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_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:08,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:08,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:45:08,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:08,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:08,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:08,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:08,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:08,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:08,593 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:08,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:08,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:08,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:08,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:08,595 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:08,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:08,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:08,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:45:08,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:08,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:08,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:08,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:08,599 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:45:08,599 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:45:08,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:08,600 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:08,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:08,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:08,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:45:08,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:08,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:08,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:08,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:08,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:08,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:45:08,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:45:08,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:08,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:08,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:08,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:08,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:08,607 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-26 10:45:08,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:08,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:08,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:08,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:08,916 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:08,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-26 10:45:12,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:14,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:14,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-26 10:45:14,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data/610c25f7e/fd1dc74e217445e8bc514e4289386ec0/FLAG0fc23dfba [2023-11-26 10:45:14,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data/610c25f7e/fd1dc74e217445e8bc514e4289386ec0 [2023-11-26 10:45:14,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:14,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:14,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:14,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:14,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:14,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:14" (1/1) ... [2023-11-26 10:45:14,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab0d3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:14, skipping insertion in model container [2023-11-26 10:45:14,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:14" (1/1) ... [2023-11-26 10:45:15,545 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:45:46,469 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-26 10:45:46,470 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-26 10:45:46,471 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-26 10:45:46,472 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-26 10:45:46,474 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-26 10:45:46,475 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-26 10:45:46,476 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-26 10:45:46,478 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-26 10:45:46,479 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-26 10:45:46,521 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-26 10:45:46,671 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-26 10:45:47,355 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-26 10:45:47,689 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. [2023-11-26 10:45:47,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66b91af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:47, skipping insertion in model container [2023-11-26 10:45:47,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:47,691 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 10:45:47,693 INFO L158 Benchmark]: Toolchain (without parser) took 33039.78ms. Allocated memory was 161.5MB in the beginning and 377.5MB in the end (delta: 216.0MB). Free memory was 75.8MB in the beginning and 144.3MB in the end (delta: -68.5MB). Peak memory consumption was 262.5MB. Max. memory is 16.1GB. [2023-11-26 10:45:47,693 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:45:47,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 33035.81ms. Allocated memory was 161.5MB in the beginning and 377.5MB in the end (delta: 216.0MB). Free memory was 75.4MB in the beginning and 144.3MB in the end (delta: -68.9MB). Peak memory consumption was 262.5MB. Max. memory is 16.1GB. [2023-11-26 10:45:47,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 33035.81ms. Allocated memory was 161.5MB in the beginning and 377.5MB in the end (delta: 216.0MB). Free memory was 75.4MB in the beginning and 144.3MB in the end (delta: -68.9MB). Peak memory consumption was 262.5MB. 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_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:45:50,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:45:50,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 10:45:50,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:45:50,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:45:50,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 10:45:50,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:45:50,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:45:50,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:45:50,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:45:50,367 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:45:50,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:45:50,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:45:50,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:45:50,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:45:50,370 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:45:50,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:45:50,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:45:50,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:45:50,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:45:50,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:45:50,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:45:50,374 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:45:50,375 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:45:50,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:45:50,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:45:50,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:45:50,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:45:50,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:45:50,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:45:50,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:45:50,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:45:50,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:45:50,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:45:50,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:45:50,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:45:50,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:45:50,383 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:45:50,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:45:50,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:45:50,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:45:50,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:45:50,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:45:50,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:45:50,384 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:45:50,385 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6816cf606a392c6e00a99419dcd620347fafa3510a8b711696b4fa6c7c2c596 [2023-11-26 10:45:50,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:45:50,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:45:50,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:45:50,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:45:50,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:45:50,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-26 10:45:54,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:45:56,315 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:45:56,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/sv-benchmarks/c/goblint-coreutils/instrumented_interval_dd_comb.i [2023-11-26 10:45:56,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data/c42de5a37/36bc5f548e544fba8db1db90692d3729/FLAG694ac94a0 [2023-11-26 10:45:56,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56364f2e-6550-4869-a2d8-363a7589f74e/bin/uautomizer-verify-VRDe98Ueme/data/c42de5a37/36bc5f548e544fba8db1db90692d3729 [2023-11-26 10:45:56,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:45:56,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:45:56,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:45:56,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:45:56,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:45:56,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:56" (1/1) ... [2023-11-26 10:45:56,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602be1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:45:56, skipping insertion in model container [2023-11-26 10:45:56,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:45:56" (1/1) ... [2023-11-26 10:45:57,459 INFO L177 MainTranslator]: Built tables and reachable declarations