./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:07:01,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:07:01,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:07:01,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:07:01,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:07:01,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:07:01,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:07:01,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:07:01,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:07:01,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:07:01,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:07:01,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:07:01,187 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:07:01,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:07:01,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:07:01,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:07:01,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:07:01,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:07:01,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:07:01,191 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:07:01,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:07:01,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:07:01,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:07:01,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:07:01,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:07:01,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:07:01,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:01,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:07:01,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:07:01,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:07:01,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:07:01,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:07:01,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:07:01,197 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_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab [2023-12-02 23:07:01,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:07:01,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:07:01,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:07:01,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:07:01,441 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:07:01,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-12-02 23:07:04,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:07:04,364 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:07:04,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-12-02 23:07:04,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data/b95ba95af/d6d10269846640e488fa3ccff693764d/FLAG9adb07e68 [2023-12-02 23:07:04,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data/b95ba95af/d6d10269846640e488fa3ccff693764d [2023-12-02 23:07:04,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:07:04,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:07:04,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:04,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:07:04,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:07:04,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a0bce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04, skipping insertion in model container [2023-12-02 23:07:04,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:07:04,545 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-12-02 23:07:04,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:04,561 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:07:04,581 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-12-02 23:07:04,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:04,597 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:07:04,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04 WrapperNode [2023-12-02 23:07:04,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:04,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:04,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:07:04,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:07:04,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,628 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-12-02 23:07:04,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:04,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:07:04,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:07:04,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:07:04,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:07:04,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:07:04,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:07:04,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:07:04,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:04" (1/1) ... [2023-12-02 23:07:04,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:04,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:07:04,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:07:04,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:07:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:07:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:07:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:07:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-02 23:07:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-02 23:07:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 23:07:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:07:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:07:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:07:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:07:04,786 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:07:04,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:07:04,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:07:05,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:07:05,037 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:07:05,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:05 BoogieIcfgContainer [2023-12-02 23:07:05,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:07:05,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:07:05,039 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:07:05,050 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:07:05,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:05" (1/1) ... [2023-12-02 23:07:05,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:07:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-12-02 23:07:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-12-02 23:07:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:07:05,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:05,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:05,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:05,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2023-12-02 23:07:05,304 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-12-02 23:07:05,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:07:05,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:05,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:05,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:07:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:05,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:07:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:05,475 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:07:05,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-12-02 23:07:05,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:07:05 ImpRootNode [2023-12-02 23:07:05,502 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:07:05,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:07:05,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:07:05,503 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:07:05,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:05" (3/4) ... [2023-12-02 23:07:05,506 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:07:05,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:07:05,508 INFO L158 Benchmark]: Toolchain (without parser) took 1122.85ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 60.4MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 23:07:05,508 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:05,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.13ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:07:05,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.96ms. Allocated memory is still 153.1MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:07:05,510 INFO L158 Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:05,511 INFO L158 Benchmark]: RCFGBuilder took 387.22ms. Allocated memory is still 153.1MB. Free memory was 103.0MB in the beginning and 84.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:07:05,512 INFO L158 Benchmark]: CodeCheck took 463.34ms. Allocated memory is still 153.1MB. Free memory was 84.1MB in the beginning and 60.4MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 23:07:05,512 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 153.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:05,515 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 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 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, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 80]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67. Possible FailurePath: [L66] double x = __VERIFIER_nondet_double(); [L67] double y = 0.0 / 0.0; [L74] CALL, EXPR isnan_double(x) [L18] return x != x; [L74] RET, EXPR isnan_double(x) [L74] COND TRUE !isnan_double(x) [L76] CALL, EXPR fmax_double(x, y) [L57] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=3] [L29] __uint32_t msw, lsw; VAL [\old(x)=3, x=3] [L32] ieee_double_shape_type ew_u; [L33] EXPR ew_u.value = (x) [L34] EXPR ew_u.parts.msw [L34] EXPR (msw) = ew_u.parts.msw [L35] EXPR ew_u.parts.lsw [L35] EXPR (lsw) = ew_u.parts.lsw [L31-L36] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=3, lsw=9, msw=2146435073, x=3] [L38-L39] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L41-L42] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L44-L45] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L48-L49] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L52] return 0; [L57] RET, EXPR __fpclassify_double(x) VAL [\old(x)=3, \old(y)=2, x=3, y=2] [L57] COND TRUE __fpclassify_double(x) == 0 [L58] return y; VAL [\old(x)=3, \old(y)=2, \result=2, x=3, y=2] [L76] RET, EXPR fmax_double(x, y) [L76] double res = fmax_double(x, y); [L79] COND TRUE res != x VAL [res=2, x=3, y=2] [L80] reach_error() VAL [res=2, x=3, y=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.13ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.96ms. Allocated memory is still 153.1MB. Free memory was 106.0MB in the beginning and 104.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.87ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.22ms. Allocated memory is still 153.1MB. Free memory was 103.0MB in the beginning and 84.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 463.34ms. Allocated memory is still 153.1MB. Free memory was 84.1MB in the beginning and 60.4MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 153.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:07:05,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:07:07,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:07:07,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:07:07,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:07:07,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:07:07,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:07:07,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:07:07,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:07:07,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:07:07,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:07:07,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:07:07,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:07:07,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:07:07,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:07:07,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:07:07,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:07:07,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:07:07,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:07:07,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:07:07,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:07:07,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:07:07,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:07:07,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:07:07,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:07:07,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:07:07,579 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:07,580 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:07:07,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:07:07,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:07,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:07:07,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:07:07,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:07:07,583 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:07:07,583 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:07,583 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:07:07,584 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:07:07,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:07:07,584 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_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ddb7cbdb5243e0dc5a18ffa5957d423189625fe9ffc6441855806502cce15ab [2023-12-02 23:07:07,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:07:07,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:07:07,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:07:07,891 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:07:07,892 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:07:07,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-12-02 23:07:10,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:07:10,876 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:07:10,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c [2023-12-02 23:07:10,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data/48ce4e51b/6c5f568c0388461c90d5d7932eefa4e4/FLAGc8e76ce22 [2023-12-02 23:07:10,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/data/48ce4e51b/6c5f568c0388461c90d5d7932eefa4e4 [2023-12-02 23:07:10,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:07:10,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:07:10,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:10,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:07:10,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:07:10,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:10" (1/1) ... [2023-12-02 23:07:10,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f1f055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:10, skipping insertion in model container [2023-12-02 23:07:10,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:10" (1/1) ... [2023-12-02 23:07:10,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:07:11,067 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-12-02 23:07:11,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:11,084 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:07:11,105 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/sv-benchmarks/c/float-newlib/double_req_bl_1251b.c[2080,2093] [2023-12-02 23:07:11,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:11,128 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:07:11,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11 WrapperNode [2023-12-02 23:07:11,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:11,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:11,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:07:11,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:07:11,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,162 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2023-12-02 23:07:11,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:11,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:07:11,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:07:11,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:07:11,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:07:11,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:07:11,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:07:11,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:07:11,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:07:11,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:07:11,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:07:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:07:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 23:07:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:07:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:07:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2023-12-02 23:07:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2023-12-02 23:07:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:07:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:07:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:07:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:07:11,346 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:07:11,348 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:07:11,546 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:07:11,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:07:11,618 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:07:11,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:11 BoogieIcfgContainer [2023-12-02 23:07:11,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:07:11,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:07:11,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:07:11,631 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:07:11,631 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:11" (1/1) ... [2023-12-02 23:07:11,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:07:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-12-02 23:07:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-12-02 23:07:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:07:11,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:11,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:11,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:11,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:11,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:07:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:11,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:11,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:07:11,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:11,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:07:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-12-02 23:07:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-02 23:07:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:07:11,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:11,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:11,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:11,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:11,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:07:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:12,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:12,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 23:07:12,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:14,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:07:14,944 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:07:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 19 transitions. [2023-12-02 23:07:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-12-02 23:07:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:07:15,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:15,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:15,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:15,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:15,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:07:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:16,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:16,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 23:07:16,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:19,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:07:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 16 states and 17 transitions. [2023-12-02 23:07:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-12-02 23:07:21,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:07:21,808 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-02 23:07:21,815 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:07:22,094 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:07:22,097 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 23:07:22,098 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:07:22,099 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:07:22,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:07:22 ImpRootNode [2023-12-02 23:07:22,099 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:07:22,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:07:22,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:07:22,100 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:07:22,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:11" (3/4) ... [2023-12-02 23:07:22,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:07:22,105 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_double [2023-12-02 23:07:22,110 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-12-02 23:07:22,110 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 23:07:22,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:07:22,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:07:22,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-12-02 23:07:22,158 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x) [2023-12-02 23:07:22,200 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:07:22,201 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:07:22,201 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:07:22,201 INFO L158 Benchmark]: Toolchain (without parser) took 11300.76ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 74.9MB in the beginning and 108.8MB in the end (delta: -33.9MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-12-02 23:07:22,202 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:22,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.60ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 62.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:07:22,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.65ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:07:22,203 INFO L158 Benchmark]: Boogie Preprocessor took 33.66ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:07:22,204 INFO L158 Benchmark]: RCFGBuilder took 421.80ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 68.2MB in the end (delta: -8.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-12-02 23:07:22,204 INFO L158 Benchmark]: CodeCheck took 10478.47ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 68.2MB in the beginning and 114.0MB in the end (delta: -45.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-12-02 23:07:22,205 INFO L158 Benchmark]: Witness Printer took 100.86ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 108.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:07:22,207 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 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 61 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 297 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 11 QuantifiedInterpolants, 742 SizeOfPredicates, 22 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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 - PositiveResult [Line: 80]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (\old(x) == x) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.60ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 62.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.65ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.66ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.80ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 68.2MB in the end (delta: -8.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * CodeCheck took 10478.47ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 68.2MB in the beginning and 114.0MB in the end (delta: -45.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 100.86ms. Allocated memory is still 174.1MB. Free memory was 113.0MB in the beginning and 108.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:07:22,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021bc61c-e882-4327-8b93-08015799f85c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE