./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/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_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/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_5d09a859-333c-4979-b1a2-65e3e27e7718/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 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:10,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:10,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 12:00:10,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:10,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:10,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:10,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:10,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:10,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:10,714 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:10,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:10,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:10,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:10,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:10,718 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:10,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:10,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:10,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:10,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:10,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:10,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:10,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:10,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:00:10,724 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:00:10,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:10,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:10,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:10,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:10,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:10,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:10,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:10,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:10,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:10,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:10,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:10,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:10,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:10,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:10,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:10,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:10,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:10,733 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_5d09a859-333c-4979-b1a2-65e3e27e7718/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 [2023-11-26 12:00:11,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:11,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:11,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:11,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:11,088 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:11,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-26 12:00:14,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:16,367 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:16,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-26 12:00:16,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data/3009e9c64/fe22f15847574383a4a2befb4108c6b5/FLAG132266dc4 [2023-11-26 12:00:16,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data/3009e9c64/fe22f15847574383a4a2befb4108c6b5 [2023-11-26 12:00:16,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:16,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:16,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:16,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:16,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:16,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:16" (1/1) ... [2023-11-26 12:00:16,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff74f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:16, skipping insertion in model container [2023-11-26 12:00:16,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:16" (1/1) ... [2023-11-26 12:00:17,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:47,144 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-26 12:00:47,146 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-26 12:00:47,146 WARN L638 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-26 12:00:47,147 WARN L638 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-26 12:00:47,151 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-26 12:00:47,152 WARN L638 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-26 12:00:47,153 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-26 12:00:47,155 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-26 12:00:47,156 WARN L638 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-26 12:00:47,235 WARN L638 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-26 12:00:47,388 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-26 12:00:48,110 WARN L638 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-26 12:00:48,523 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 12:00:48,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@607d31f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:48, skipping insertion in model container [2023-11-26 12:00:48,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:48,524 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 12:00:48,527 INFO L158 Benchmark]: Toolchain (without parser) took 31944.02ms. Allocated memory was 186.6MB in the beginning and 314.6MB in the end (delta: 127.9MB). Free memory was 114.2MB in the beginning and 136.9MB in the end (delta: -22.7MB). Peak memory consumption was 229.4MB. Max. memory is 16.1GB. [2023-11-26 12:00:48,527 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory was 108.1MB in the beginning and 108.0MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:48,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31940.17ms. Allocated memory was 186.6MB in the beginning and 314.6MB in the end (delta: 127.9MB). Free memory was 114.2MB in the beginning and 136.9MB in the end (delta: -22.7MB). Peak memory consumption was 229.4MB. Max. memory is 16.1GB. [2023-11-26 12:00:48,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory was 108.1MB in the beginning and 108.0MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 31940.17ms. Allocated memory was 186.6MB in the beginning and 314.6MB in the end (delta: 127.9MB). Free memory was 114.2MB in the beginning and 136.9MB in the end (delta: -22.7MB). Peak memory consumption was 229.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36147]: 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_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/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_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/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_5d09a859-333c-4979-b1a2-65e3e27e7718/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 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:50,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:51,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 12:00:51,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:51,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:51,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 12:00:51,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:51,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:51,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:51,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:51,185 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:51,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:51,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:51,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:51,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:51,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:51,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:51,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:51,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:51,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:51,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:51,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:51,193 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:00:51,194 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:00:51,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:00:51,195 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:00:51,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:00:51,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:51,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:51,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:51,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:51,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:51,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:51,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:51,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:51,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:51,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:51,202 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:00:51,202 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:00:51,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:51,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:51,203 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:51,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:51,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:51,204 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:00:51,205 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_5d09a859-333c-4979-b1a2-65e3e27e7718/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 [2023-11-26 12:00:51,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:51,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:51,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:51,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:51,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:51,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-26 12:00:55,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:57,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:57,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-26 12:00:57,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data/ef82af679/66d5424322634996adabacfff8e54e4e/FLAGb5cf7f7ae [2023-11-26 12:00:57,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d09a859-333c-4979-b1a2-65e3e27e7718/bin/uautomizer-verify-VRDe98Ueme/data/ef82af679/66d5424322634996adabacfff8e54e4e [2023-11-26 12:00:57,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:57,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:57,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:57,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:57,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:57,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:57" (1/1) ... [2023-11-26 12:00:57,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716b03be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:57, skipping insertion in model container [2023-11-26 12:00:57,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:57" (1/1) ... [2023-11-26 12:00:58,429 INFO L177 MainTranslator]: Built tables and reachable declarations