./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:44,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:44,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 12:03:44,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:44,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:44,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:44,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:44,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:44,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:44,580 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:44,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:44,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:44,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:44,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:44,585 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:44,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:44,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:03:44,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:03:44,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:44,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:03:44,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:44,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:03:44,589 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:03:44,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:03:44,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:44,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:44,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:44,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:44,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:44,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:44,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:44,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:44,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:44,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:03:44,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:03:44,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:03:44,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:44,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:44,598 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:03:44,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:44,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:44,599 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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 [2023-11-26 12:03:44,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:44,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:44,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:44,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:44,941 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:44,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-26 12:03:48,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:50,246 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:50,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-26 12:03:50,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data/45db3c4d8/37a271737a59499bb1c975cc79be7400/FLAG5fadc6a2a [2023-11-26 12:03:50,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data/45db3c4d8/37a271737a59499bb1c975cc79be7400 [2023-11-26 12:03:50,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:50,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:50,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:50,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:50,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:50,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:50" (1/1) ... [2023-11-26 12:03:50,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6764ac7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:50, skipping insertion in model container [2023-11-26 12:03:50,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:50" (1/1) ... [2023-11-26 12:03:51,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:04:26,916 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-26 12:04:26,917 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-26 12:04:26,919 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-26 12:04:26,920 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-26 12:04:26,923 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-26 12:04:26,924 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-26 12:04:26,926 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-26 12:04:26,929 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-26 12:04:26,930 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-26 12:04:27,047 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-26 12:04:27,256 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-26 12:04:28,155 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-26 12:04:28,540 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 12:04:28,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c6dc248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:28, skipping insertion in model container [2023-11-26 12:04:28,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:28,543 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 12:04:28,545 INFO L158 Benchmark]: Toolchain (without parser) took 38046.28ms. Allocated memory was 203.4MB in the beginning and 352.3MB in the end (delta: 148.9MB). Free memory was 96.2MB in the beginning and 110.2MB in the end (delta: -14.0MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. [2023-11-26 12:04:28,546 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory was 108.7MB in the beginning and 108.6MB in the end (delta: 178.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:04:28,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 38043.36ms. Allocated memory was 203.4MB in the beginning and 352.3MB in the end (delta: 148.9MB). Free memory was 96.2MB in the beginning and 110.2MB in the end (delta: -14.0MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. [2023-11-26 12:04:28,551 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory was 108.7MB in the beginning and 108.6MB in the end (delta: 178.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 38043.36ms. Allocated memory was 203.4MB in the beginning and 352.3MB in the end (delta: 148.9MB). Free memory was 96.2MB in the beginning and 110.2MB in the end (delta: -14.0MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36608]: 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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:04:31,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:04:31,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 12:04:31,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:04:31,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:04:31,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 12:04:31,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:04:31,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:04:31,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:04:31,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:04:31,641 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:04:31,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:04:31,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:04:31,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:04:31,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:04:31,646 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:04:31,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:04:31,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:04:31,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:04:31,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:04:31,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:04:31,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:04:31,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:04:31,651 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:04:31,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:04:31,652 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:04:31,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:04:31,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:04:31,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:04:31,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:04:31,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:04:31,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:04:31,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:04:31,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:31,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:04:31,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:04:31,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:04:31,660 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:04:31,660 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:04:31,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:04:31,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:04:31,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:04:31,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:04:31,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:04:31,663 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:04:31,663 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_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 [2023-11-26 12:04:32,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:04:32,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:04:32,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:04:32,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:04:32,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:04:32,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-26 12:04:35,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:04:38,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:04:38,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-26 12:04:38,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data/5c4aa1b2f/a4702faacb284252be59f64328537252/FLAG2cea93a98 [2023-11-26 12:04:38,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5987e2e7-9bb3-4fd8-9d20-e2869a8463fd/bin/uautomizer-verify-VRDe98Ueme/data/5c4aa1b2f/a4702faacb284252be59f64328537252 [2023-11-26 12:04:38,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:04:38,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:04:38,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:38,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:04:38,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:04:38,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:38" (1/1) ... [2023-11-26 12:04:38,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c89951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:38, skipping insertion in model container [2023-11-26 12:04:38,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:38" (1/1) ... [2023-11-26 12:04:39,753 INFO L177 MainTranslator]: Built tables and reachable declarations