./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:31,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:31,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:56:31,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:31,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:31,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:31,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:31,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:31,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:31,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:31,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:31,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:31,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:31,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:31,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:31,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:31,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:31,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:31,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:31,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:31,496 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:31,497 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:31,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:31,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:31,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:31,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:31,500 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:31,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:31,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:31,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:31,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:31,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:31,504 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:31,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:31,505 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:31,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2023-11-24 22:56:31,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:31,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:31,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:31,878 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:31,879 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:31,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-24 22:56:35,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:35,719 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:35,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-24 22:56:35,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data/7bb0d5ed1/e8dc4e48c67a431a9facfc28ed7439bc/FLAG7f72fecd8 [2023-11-24 22:56:35,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data/7bb0d5ed1/e8dc4e48c67a431a9facfc28ed7439bc [2023-11-24 22:56:35,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:35,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:35,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:35,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:35,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:35,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:35" (1/1) ... [2023-11-24 22:56:35,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220ec881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:35, skipping insertion in model container [2023-11-24 22:56:35,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:35" (1/1) ... [2023-11-24 22:56:35,803 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:36,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:36,014 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:36,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:36,055 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:36,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36 WrapperNode [2023-11-24 22:56:36,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:36,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:36,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:36,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:36,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,098 INFO L138 Inliner]: procedures = 16, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-24 22:56:36,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:36,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:36,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:36,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:36,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:36,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:36,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:36,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:36,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:36,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:36,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:36,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:56:36,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:56:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2023-11-24 22:56:36,234 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2023-11-24 22:56:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:36,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:36,316 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:36,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:36,925 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:36,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:36,970 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:56:36,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36 BoogieIcfgContainer [2023-11-24 22:56:36,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:36,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:36,974 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:36,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:36,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:37,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2023-11-24 22:56:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2023-11-24 22:56:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:56:37,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,359 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:56:37,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:37 ImpRootNode [2023-11-24 22:56:37,384 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:37,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:37,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:37,386 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:37,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36" (3/4) ... [2023-11-24 22:56:37,393 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:37,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:37,396 INFO L158 Benchmark]: Toolchain (without parser) took 1635.92ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 61.5MB in the end (delta: 55.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,397 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 157.3MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:37,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.75ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 105.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.71ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,399 INFO L158 Benchmark]: Boogie Preprocessor took 41.95ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 101.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:37,400 INFO L158 Benchmark]: RCFGBuilder took 820.81ms. Allocated memory is still 157.3MB. Free memory was 101.9MB in the beginning and 76.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,401 INFO L158 Benchmark]: CodeCheck took 410.66ms. Allocated memory is still 157.3MB. Free memory was 76.7MB in the beginning and 62.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,402 INFO L158 Benchmark]: Witness Printer took 9.08ms. Allocated memory is still 157.3MB. Free memory was 62.0MB in the beginning and 61.5MB in the end (delta: 553.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 135 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 86. Possible FailurePath: [L81] int A; [L82] int R; [L83] int u; [L84] int v; [L85] int r; [L86] A = __VERIFIER_nondet_double() [L87] R = __VERIFIER_nondet_double() [L88] R - 1 VAL [A={4:0}, R=-2147483648, r={8:0}, u={7:0}, v={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 157.3MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.75ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 105.5MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.71ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.95ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 101.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 820.81ms. Allocated memory is still 157.3MB. Free memory was 101.9MB in the beginning and 76.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 410.66ms. Allocated memory is still 157.3MB. Free memory was 76.7MB in the beginning and 62.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.08ms. Allocated memory is still 157.3MB. Free memory was 62.0MB in the beginning and 61.5MB in the end (delta: 553.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:37,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:40,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:40,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:56:40,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:40,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:40,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:40,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:40,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:40,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:40,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:40,515 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:40,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:40,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:40,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:40,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:40,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:40,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:40,520 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:40,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:40,521 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:40,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:40,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:40,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:40,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:40,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:40,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:40,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:40,525 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:40,525 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:40,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:40,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:40,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:40,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:40,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:40,528 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:40,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:40,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:40,529 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:40,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:40,530 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2023-11-24 22:56:41,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:41,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:41,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:41,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:41,094 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:41,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-24 22:56:44,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:45,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:45,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-24 22:56:45,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data/cce5e9502/32b29e71745844a387a0163a909c6f15/FLAG4ac259329 [2023-11-24 22:56:45,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/data/cce5e9502/32b29e71745844a387a0163a909c6f15 [2023-11-24 22:56:45,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:45,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:45,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:45,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:45,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:45,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d515fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45, skipping insertion in model container [2023-11-24 22:56:45,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,159 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:45,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:45,418 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:45,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:45,495 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:45,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45 WrapperNode [2023-11-24 22:56:45,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:45,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:45,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:45,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:45,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,557 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-24 22:56:45,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:45,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:45,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:45,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:45,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:45,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:45,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:45,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:45,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:45,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:45,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:56:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:56:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2023-11-24 22:56:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2023-11-24 22:56:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:56:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:56:45,951 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:45,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:18,707 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-24 22:57:18,708 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:175) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:735) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:742) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 25 more [2023-11-24 22:57:18,714 INFO L158 Benchmark]: Toolchain (without parser) took 33595.67ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 53.5MB in the beginning and 65.9MB in the end (delta: -12.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:18,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-11-24 22:57:18,715 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:18,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.25ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 41.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:57:18,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.45ms. Allocated memory is still 77.6MB. Free memory was 41.0MB in the beginning and 39.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:18,718 INFO L158 Benchmark]: Boogie Preprocessor took 102.92ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 39.1MB in the beginning and 77.2MB in the end (delta: -38.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-24 22:57:18,719 INFO L158 Benchmark]: RCFGBuilder took 33048.63ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 65.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:18,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.25ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 41.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.45ms. Allocated memory is still 77.6MB. Free memory was 41.0MB in the beginning and 39.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.92ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 39.1MB in the beginning and 77.2MB in the end (delta: -38.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 33048.63ms. Allocated memory is still 98.6MB. Free memory was 76.9MB in the beginning and 65.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616b577b-a44d-4256-a113-d640dde60b0f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")