./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 9bd2c7ff
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_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu --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 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:40:10,065 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:40:10,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2023-11-19 07:40:10,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:40:10,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:40:10,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:40:10,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:40:10,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:40:10,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:40:10,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:40:10,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:40:10,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:40:10,245 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:40:10,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:40:10,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:40:10,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:40:10,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:40:10,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:40:10,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:40:10,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:40:10,250 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:40:10,251 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:40:10,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:40:10,252 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:40:10,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:40:10,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:40:10,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:40:10,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:40:10,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:40:10,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:40:10,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:40:10,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:40:10,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:40:10,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:40:10,258 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:40:10,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:40:10,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:40:10,259 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:40:10,259 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_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698
[2023-11-19 07:40:10,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:40:10,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:40:10,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:40:10,633 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:40:10,634 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:40:10,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i
[2023-11-19 07:40:13,796 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:40:15,739 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:40:15,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i
[2023-11-19 07:40:15,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data/c62ac16b1/15f8f3c5f8ac4c47bd70f3847035637b/FLAG7d6edda97
[2023-11-19 07:40:16,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data/c62ac16b1/15f8f3c5f8ac4c47bd70f3847035637b
[2023-11-19 07:40:16,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:40:16,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:40:16,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:40:16,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:40:16,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:40:16,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:16" (1/1) ...
[2023-11-19 07:40:16,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32be3034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:16, skipping insertion in model container
[2023-11-19 07:40:16,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:16" (1/1) ...
[2023-11-19 07:40:17,142 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:40:48,917 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk
[2023-11-19 07:40:48,923 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk
[2023-11-19 07:40:48,924 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk
[2023-11-19 07:40:48,925 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk
[2023-11-19 07:40:48,931 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk
[2023-11-19 07:40:48,938 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk
[2023-11-19 07:40:48,939 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk
[2023-11-19 07:40:48,944 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk
[2023-11-19 07:40:48,953 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk
[2023-11-19 07:40:49,016 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk
[2023-11-19 07:40:49,166 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn
[2023-11-19 07:40:49,952 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn
[2023-11-19 07:40:50,374 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.
[2023-11-19 07:40:50,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e2c9c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:50, skipping insertion in model container
[2023-11-19 07:40:50,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:40:50,376 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-19 07:40:50,379 INFO L158 Benchmark]: Toolchain (without parser) took 33973.74ms. Allocated memory was 199.2MB in the beginning and 302.0MB in the end (delta: 102.8MB). Free memory was 93.9MB in the beginning and 136.0MB in the end (delta: -42.1MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB.
[2023-11-19 07:40:50,379 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:40:50,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 33970.80ms. Allocated memory was 199.2MB in the beginning and 302.0MB in the end (delta: 102.8MB). Free memory was 93.9MB in the beginning and 136.0MB in the end (delta: -42.1MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB.
[2023-11-19 07:40:50,384 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 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 33970.80ms. Allocated memory was 199.2MB in the beginning and 302.0MB in the end (delta: 102.8MB). Free memory was 93.9MB in the beginning and 136.0MB in the end (delta: -42.1MB). Peak memory consumption was 164.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 36411]: 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_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu --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 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:40:52,950 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:40:53,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2023-11-19 07:40:53,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:40:53,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:40:53,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-11-19 07:40:53,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:40:53,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:40:53,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:40:53,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:40:53,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:40:53,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:40:53,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:40:53,172 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:40:53,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:40:53,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:40:53,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:40:53,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:40:53,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:40:53,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:40:53,177 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:40:53,177 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:40:53,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-19 07:40:53,179 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:40:53,179 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:40:53,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:40:53,181 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:40:53,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:40:53,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:40:53,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:40:53,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:40:53,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:40:53,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:40:53,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:40:53,185 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:40:53,185 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:40:53,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:40:53,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:40:53,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:40:53,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:40:53,188 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:40:53,188 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:40:53,189 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_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b3c577fa65970bc54a66f3c47d776002fb71c3b88171fe0d06c29869c37698
[2023-11-19 07:40:53,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:40:53,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:40:53,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:40:53,704 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:40:53,705 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:40:53,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i
[2023-11-19 07:40:56,860 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:40:59,231 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:40:59,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/sv-benchmarks/c/goblint-coreutils/instrumented_interval_tail_comb.i
[2023-11-19 07:40:59,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data/e71c54166/ad2f9a8365f5408d8b29e7f985c0d069/FLAGf0a0e36f7
[2023-11-19 07:40:59,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cd75d-ace4-4014-8bf4-8c291b0ad24d/bin/uautomizer-verify-uCwYo4JHxu/data/e71c54166/ad2f9a8365f5408d8b29e7f985c0d069
[2023-11-19 07:40:59,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:40:59,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:40:59,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:40:59,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:40:59,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:40:59,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:59" (1/1) ...
[2023-11-19 07:40:59,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3baf38c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:59, skipping insertion in model container
[2023-11-19 07:40:59,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:59" (1/1) ...
[2023-11-19 07:41:00,049 INFO L177 MainTranslator]: Built tables and reachable declarations