./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_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_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/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_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/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_bdd942c0-14f9-4ff3-840e-cca2b464a670/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 c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:25,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:25,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:19:25,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:25,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:25,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:25,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:25,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:25,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:25,983 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:25,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:25,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:25,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:25,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:25,985 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:25,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:25,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:25,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:25,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:25,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:25,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:25,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:25,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:25,992 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:19:25,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:25,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:25,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:25,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:25,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:25,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:25,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:25,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:25,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:25,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:25,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:25,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:25,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:19:25,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:25,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:25,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:25,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:25,999 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_bdd942c0-14f9-4ff3-840e-cca2b464a670/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2024-10-31 22:19:26,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:26,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:26,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:26,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:26,282 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:26,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i Unable to find full path for "g++" [2024-10-31 22:19:28,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:30,023 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:30,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2024-10-31 22:19:30,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data/b31c1cfdd/2d9e69d4698645669c095170b5dbbf87/FLAGebfe310a0 [2024-10-31 22:19:30,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data/b31c1cfdd/2d9e69d4698645669c095170b5dbbf87 [2024-10-31 22:19:30,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:30,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:30,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:30,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:30,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:30,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524b02e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:30, skipping insertion in model container [2024-10-31 22:19:30,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:30" (1/1) ... [2024-10-31 22:19:30,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:55,156 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2024-10-31 22:19:55,157 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2024-10-31 22:19:55,158 WARN L634 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2024-10-31 22:19:55,159 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2024-10-31 22:19:55,165 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2024-10-31 22:19:55,166 WARN L634 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2024-10-31 22:19:55,167 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2024-10-31 22:19:55,173 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2024-10-31 22:19:55,174 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2024-10-31 22:19:55,238 WARN L634 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2024-10-31 22:19:55,371 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strspn [2024-10-31 22:19:56,103 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strcspn [2024-10-31 22:19:56,500 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 22:19:56,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c3bf676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:56, skipping insertion in model container [2024-10-31 22:19:56,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:56,502 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 22:19:56,504 INFO L158 Benchmark]: Toolchain (without parser) took 26247.83ms. Allocated memory was 163.6MB in the beginning and 295.7MB in the end (delta: 132.1MB). Free memory was 65.8MB in the beginning and 137.7MB in the end (delta: -71.9MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. [2024-10-31 22:19:56,505 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:56,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 26245.00ms. Allocated memory was 163.6MB in the beginning and 295.7MB in the end (delta: 132.1MB). Free memory was 65.8MB in the beginning and 137.7MB in the end (delta: -71.9MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. [2024-10-31 22:19:56,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 26245.00ms. Allocated memory was 163.6MB in the beginning and 295.7MB in the end (delta: 132.1MB). Free memory was 65.8MB in the beginning and 137.7MB in the end (delta: -71.9MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35941]: 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_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/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_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/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_bdd942c0-14f9-4ff3-840e-cca2b464a670/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 c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:58,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:58,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-31 22:19:58,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:58,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:58,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-31 22:19:58,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:58,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:58,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:58,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:58,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:58,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:58,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:58,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:58,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:58,790 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:58,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:58,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:58,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:58,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:58,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:58,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:58,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:19:58,795 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:19:58,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:58,795 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:19:58,796 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:19:58,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:58,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:58,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:58,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:58,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:58,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:58,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:58,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:58,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:58,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:58,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:58,799 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:19:58,799 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:19:58,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:58,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:58,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:58,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:58,801 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:19:58,801 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_bdd942c0-14f9-4ff3-840e-cca2b464a670/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c92169288ba10e606aecd7ff04f59d0eb48b56f4c981fd9086bac53fae53e7ad [2024-10-31 22:19:59,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:59,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:59,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:59,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:59,239 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:59,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i Unable to find full path for "g++" [2024-10-31 22:20:01,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:20:03,071 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:20:03,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cksum_comb.i [2024-10-31 22:20:03,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data/a746291e2/ac579d47e3f54cf7ac03b63b9262979f/FLAGa3a675f4a [2024-10-31 22:20:03,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd942c0-14f9-4ff3-840e-cca2b464a670/bin/uautomizer-verify-4GaUIPS5ZU/data/a746291e2/ac579d47e3f54cf7ac03b63b9262979f [2024-10-31 22:20:03,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:20:03,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:20:03,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:20:03,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:20:03,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:20:03,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:20:03" (1/1) ... [2024-10-31 22:20:03,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4305de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:20:03, skipping insertion in model container [2024-10-31 22:20:03,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:20:03" (1/1) ... [2024-10-31 22:20:04,070 INFO L175 MainTranslator]: Built tables and reachable declarations