./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU --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 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:16,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:16,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:19:16,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:16,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:16,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:16,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:16,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:16,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:16,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:16,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:16,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:16,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:16,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:16,207 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:16,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:16,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:16,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:16,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:16,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:16,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:16,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:16,218 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:16,218 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:19:16,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:16,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:16,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:16,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:16,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:16,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:16,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:16,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:16,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:16,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:16,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:16,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:16,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:19:16,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:16,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:16,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:16,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:16,229 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_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 [2024-10-31 22:19:16,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:16,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:16,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:16,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:16,595 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:16,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i Unable to find full path for "g++" [2024-10-31 22:19:18,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:20,731 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:20,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i [2024-10-31 22:19:21,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/data/7e9595794/eed07c0182d9474b8744f2d8a0137673/FLAG61e1db32e [2024-10-31 22:19:21,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/data/7e9595794/eed07c0182d9474b8744f2d8a0137673 [2024-10-31 22:19:21,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:21,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:21,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:21,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:21,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:21,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:21" (1/1) ... [2024-10-31 22:19:21,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bfcfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:21, skipping insertion in model container [2024-10-31 22:19:21,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:21" (1/1) ... [2024-10-31 22:19:21,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:50,181 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2024-10-31 22:19:50,182 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2024-10-31 22:19:50,184 WARN L634 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2024-10-31 22:19:50,185 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2024-10-31 22:19:50,187 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2024-10-31 22:19:50,188 WARN L634 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2024-10-31 22:19:50,189 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2024-10-31 22:19:50,192 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2024-10-31 22:19:50,193 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2024-10-31 22:19:50,241 WARN L634 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2024-10-31 22:19:50,444 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strspn [2024-10-31 22:19:51,165 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strcspn [2024-10-31 22:19:51,834 ERROR L321 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. [2024-10-31 22:19:51,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44c44d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:51, skipping insertion in model container [2024-10-31 22:19:51,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:51,836 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 22:19:51,839 INFO L158 Benchmark]: Toolchain (without parser) took 30796.33ms. Allocated memory was 276.8MB in the beginning and 367.0MB in the end (delta: 90.2MB). Free memory was 192.1MB in the beginning and 192.6MB in the end (delta: -479.8kB). Peak memory consumption was 271.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:51,840 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 182.5MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:51,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 30793.56ms. Allocated memory was 276.8MB in the beginning and 367.0MB in the end (delta: 90.2MB). Free memory was 192.1MB in the beginning and 192.6MB in the end (delta: -479.8kB). Peak memory consumption was 271.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:51,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 182.5MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 30793.56ms. Allocated memory was 276.8MB in the beginning and 367.0MB in the end (delta: 90.2MB). Free memory was 192.1MB in the beginning and 192.6MB in the end (delta: -479.8kB). Peak memory consumption was 271.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 37852]: 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_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_du_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU --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 983abd99a19c0fb2c299fef3c5e968ab6393a073f240f1283828f218ef38f546 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:54,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:54,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e078888-7a5c-4aa6-b89a-9101e1100248/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:19:54,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:54,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:54,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:19:54,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:54,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:54,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:54,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:54,423 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:54,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:54,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:54,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:54,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:54,426 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:54,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:54,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:54,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:54,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:54,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:54,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:54,433 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:19:54,434 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:19:54,434 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:54,434 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:19:54,435 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:19:54,435 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:54,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:54,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:54,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:54,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:54,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:54,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:54,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:54,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:54,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:54,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:54,445 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:19:54,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:19:54,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:54,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:54,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:54,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:54,447 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:19:54,448 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC