./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:43:43,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:43:43,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:43:43,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:43:43,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:43:43,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:43:43,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:43:43,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:43:43,970 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:43:43,975 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:43:43,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:43:43,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:43:43,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:43:43,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:43:43,978 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:43:43,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:43:43,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:43:43,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:43:43,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:43:43,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:43:43,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:43:43,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:43:43,984 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:43:43,984 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:43:43,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:43:43,985 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:43:43,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:43:43,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:43:43,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:43:43,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:43:43,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:43:43,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:43:43,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:43:43,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:43:43,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:43:43,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:43:43,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:43:43,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:43:43,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:43:43,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:43:43,993 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:43:43,993 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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 [2023-11-26 11:43:44,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:43:44,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:43:44,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:43:44,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:43:44,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:43:44,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-26 11:43:47,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:43:49,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:43:49,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-26 11:43:50,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data/30d9f88d3/af5a7133ce5947d8acc1b2d40a1f9f98/FLAG6f4d9fc91 [2023-11-26 11:43:50,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data/30d9f88d3/af5a7133ce5947d8acc1b2d40a1f9f98 [2023-11-26 11:43:50,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:43:50,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:43:50,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:43:50,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:43:50,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:43:50,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:50" (1/1) ... [2023-11-26 11:43:50,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2027f649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:43:50, skipping insertion in model container [2023-11-26 11:43:50,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:43:50" (1/1) ... [2023-11-26 11:43:51,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:44:29,144 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-26 11:44:29,146 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-26 11:44:29,147 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-26 11:44:29,148 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-26 11:44:29,151 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-26 11:44:29,152 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-26 11:44:29,153 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-26 11:44:29,156 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-26 11:44:29,157 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-26 11:44:29,236 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-26 11:44:29,444 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-26 11:44:30,240 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-26 11:44:30,577 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 11:44:30,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51a4ce4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:30, skipping insertion in model container [2023-11-26 11:44:30,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:44:30,580 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 11:44:30,583 INFO L158 Benchmark]: Toolchain (without parser) took 40347.80ms. Allocated memory was 180.4MB in the beginning and 362.8MB in the end (delta: 182.5MB). Free memory was 82.3MB in the beginning and 73.1MB in the end (delta: 9.2MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. [2023-11-26 11:44:30,584 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:44:30,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 40345.08ms. Allocated memory was 180.4MB in the beginning and 362.8MB in the end (delta: 182.5MB). Free memory was 81.8MB in the beginning and 73.1MB in the end (delta: 8.7MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. [2023-11-26 11:44:30,588 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 132.1MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 40345.08ms. Allocated memory was 180.4MB in the beginning and 362.8MB in the end (delta: 182.5MB). Free memory was 81.8MB in the beginning and 73.1MB in the end (delta: 8.7MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36866]: 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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:44:33,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:44:33,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 11:44:33,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:44:33,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:44:33,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 11:44:33,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:44:33,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:44:33,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:44:33,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:44:33,548 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:44:33,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:44:33,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:44:33,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:44:33,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:44:33,552 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:44:33,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:44:33,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:44:33,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:44:33,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:44:33,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:44:33,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:44:33,557 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:44:33,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:44:33,558 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:44:33,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:44:33,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:44:33,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:44:33,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:44:33,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:44:33,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:44:33,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:44:33,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:44:33,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:44:33,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:44:33,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:44:33,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:44:33,565 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:44:33,566 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:44:33,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:44:33,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:44:33,567 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:44:33,567 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:44:33,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:44:33,568 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:44:33,568 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_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1721ff86364b888e9a887851917d8c9baafe52b51a2672b0384394569f556411 [2023-11-26 11:44:33,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:44:34,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:44:34,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:44:34,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:44:34,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:44:34,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-26 11:44:37,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:44:39,687 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:44:39,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/sv-benchmarks/c/goblint-coreutils/instrumented_interval_mv_comb.i [2023-11-26 11:44:40,139 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data/6a70395c7/8c72fcf652a14bbc9b04f692232bbc0a/FLAG0df25f403 [2023-11-26 11:44:40,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_636ba7f1-f0af-4c08-92dd-1ba93e1381a5/bin/uautomizer-verify-VRDe98Ueme/data/6a70395c7/8c72fcf652a14bbc9b04f692232bbc0a [2023-11-26 11:44:40,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:44:40,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:44:40,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:44:40,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:44:40,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:44:40,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:44:40" (1/1) ... [2023-11-26 11:44:40,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8ed0e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:44:40, skipping insertion in model container [2023-11-26 11:44:40,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:44:40" (1/1) ... [2023-11-26 11:44:40,903 INFO L177 MainTranslator]: Built tables and reachable declarations