./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ --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 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:42:19,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:42:20,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-23 22:42:20,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:42:20,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:42:20,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:42:20,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:42:20,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:42:20,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:42:20,090 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:42:20,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:42:20,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:42:20,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:42:20,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:42:20,095 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:42:20,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:42:20,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:42:20,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:42:20,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:42:20,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:42:20,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:42:20,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:42:20,098 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:42:20,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:42:20,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:42:20,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:42:20,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:42:20,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:42:20,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:42:20,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:42:20,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:42:20,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:42:20,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:42:20,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:42:20,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:42:20,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:42:20,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:42:20,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:42:20,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:42:20,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:42:20,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:42:20,106 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_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 [2023-11-23 22:42:20,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:42:20,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:42:20,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:42:20,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:42:20,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:42:20,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 22:42:23,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:42:26,146 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:42:26,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 22:42:26,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data/af8abce74/b1cce278b3d14a22be8233167ced628c/FLAG7e48e567d [2023-11-23 22:42:26,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data/af8abce74/b1cce278b3d14a22be8233167ced628c [2023-11-23 22:42:26,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:42:26,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:42:26,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:42:26,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:42:26,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:42:26,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:26" (1/1) ... [2023-11-23 22:42:26,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c197d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:26, skipping insertion in model container [2023-11-23 22:42:26,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:26" (1/1) ... [2023-11-23 22:42:27,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:43:09,180 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-23 22:43:09,181 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-23 22:43:09,182 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-23 22:43:09,183 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-23 22:43:09,190 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-23 22:43:09,191 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-23 22:43:09,193 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-23 22:43:09,196 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-23 22:43:09,198 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-23 22:43:09,281 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-23 22:43:09,526 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-23 22:43:10,409 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-23 22:43:10,755 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. [2023-11-23 22:43:10,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@412a91a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:10, skipping insertion in model container [2023-11-23 22:43:10,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:43:10,757 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 22:43:10,760 INFO L158 Benchmark]: Toolchain (without parser) took 44225.04ms. Allocated memory was 199.2MB in the beginning and 335.5MB in the end (delta: 136.3MB). Free memory was 111.4MB in the beginning and 84.5MB in the end (delta: 26.9MB). Peak memory consumption was 227.0MB. Max. memory is 16.1GB. [2023-11-23 22:43:10,761 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory was 105.3MB in the beginning and 105.2MB in the end (delta: 71.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:43:10,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 44220.80ms. Allocated memory was 199.2MB in the beginning and 335.5MB in the end (delta: 136.3MB). Free memory was 111.4MB in the beginning and 84.5MB in the end (delta: 26.9MB). Peak memory consumption was 227.0MB. Max. memory is 16.1GB. [2023-11-23 22:43:10,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory was 105.3MB in the beginning and 105.2MB in the end (delta: 71.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 44220.80ms. Allocated memory was 199.2MB in the beginning and 335.5MB in the end (delta: 136.3MB). Free memory was 111.4MB in the beginning and 84.5MB in the end (delta: 26.9MB). Peak memory consumption was 227.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 37044]: 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_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ --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 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:43:13,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:43:13,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-23 22:43:13,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:43:13,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:43:13,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-23 22:43:13,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:43:13,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:43:13,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:43:13,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:43:13,476 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:43:13,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:43:13,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:43:13,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:43:13,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:43:13,481 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:43:13,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:43:13,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:43:13,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:43:13,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:43:13,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:43:13,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:43:13,487 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:43:13,488 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:43:13,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:43:13,489 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:43:13,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:43:13,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:43:13,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:43:13,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:43:13,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:43:13,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:43:13,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:43:13,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:43:13,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:43:13,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:43:13,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:43:13,497 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:43:13,497 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:43:13,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:43:13,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:43:13,499 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:43:13,499 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:43:13,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:43:13,500 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:43:13,500 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_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 935f88b4e8d3c594a969e02830dc0e71e1824c543ec1edef55d689968d17ba50 [2023-11-23 22:43:13,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:43:14,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:43:14,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:43:14,038 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:43:14,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:43:14,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 22:43:17,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:43:19,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:43:19,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/sv-benchmarks/c/goblint-coreutils/instrumented_interval_cp_comb.i [2023-11-23 22:43:19,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data/223f4c7e2/d54e4ab6d89a499198911c79fac3eb81/FLAG4373453a7 [2023-11-23 22:43:19,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45198ac-ca6b-4b76-aa79-594e0beaf131/bin/uautomizer-verify-zZY32mL2XJ/data/223f4c7e2/d54e4ab6d89a499198911c79fac3eb81 [2023-11-23 22:43:19,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:43:19,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:43:19,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:43:19,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:43:19,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:43:19,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:43:19" (1/1) ... [2023-11-23 22:43:19,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae0f5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:43:19, skipping insertion in model container [2023-11-23 22:43:19,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:43:19" (1/1) ... [2023-11-23 22:43:20,796 INFO L177 MainTranslator]: Built tables and reachable declarations