./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi --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 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:35,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:35,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:35,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:35,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:35,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:35,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:35,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:35,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:35,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:35,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:35,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:35,165 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:35,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:35,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:35,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:35,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:35,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:35,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:35,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:35,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:35,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:35,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:35,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:35,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:35,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:35,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:35,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:35,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:35,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:35,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:35,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:35,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:35,177 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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2023-11-24 22:16:35,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:35,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:35,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:35,448 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:35,449 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:35,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-24 22:16:38,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:38,851 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:38,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-24 22:16:38,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data/fadd231c7/5376d1b26d014f66b7fba7848c2e4b69/FLAG99f6975c0 [2023-11-24 22:16:38,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data/fadd231c7/5376d1b26d014f66b7fba7848c2e4b69 [2023-11-24 22:16:38,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:38,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:38,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:38,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:38,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:38,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:38" (1/1) ... [2023-11-24 22:16:38,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294543a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:38, skipping insertion in model container [2023-11-24 22:16:38,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:38" (1/1) ... [2023-11-24 22:16:38,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:39,126 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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-24 22:16:39,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:39,142 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:39,196 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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-24 22:16:39,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:39,214 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:39,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39 WrapperNode [2023-11-24 22:16:39,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:39,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:39,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:39,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:39,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,301 INFO L138 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 445 [2023-11-24 22:16:39,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:39,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:39,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:39,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:39,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:39,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:39,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:39,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:39,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:39" (1/1) ... [2023-11-24 22:16:39,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:39,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:39,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:39,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 22:16:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 22:16:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 22:16:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:39,614 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:39,616 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:40,381 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:40,965 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:40,965 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-24 22:16:40,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:40 BoogieIcfgContainer [2023-11-24 22:16:40,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:40,969 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:40,969 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:40,985 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:40,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:40" (1/1) ... [2023-11-24 22:16:40,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:41,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2023-11-24 22:16:41,071 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2023-11-24 22:16:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:41,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:41,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-24 22:16:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-24 22:16:41,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:41,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:41,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:41,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:42,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:16:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:16:42,392 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:16:42,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-24 22:16:42,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-24 22:16:42,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-24 22:16:42,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-24 22:16:42,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:42 ImpRootNode [2023-11-24 22:16:42,452 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:42,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:42,453 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:42,454 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:42,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:40" (3/4) ... [2023-11-24 22:16:42,459 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:16:42,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:42,462 INFO L158 Benchmark]: Toolchain (without parser) took 3583.48ms. Allocated memory is still 190.8MB. Free memory was 142.1MB in the beginning and 112.3MB in the end (delta: 29.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:42,463 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:42,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.52ms. Allocated memory is still 190.8MB. Free memory was 142.1MB in the beginning and 127.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:42,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.43ms. Allocated memory is still 190.8MB. Free memory was 127.5MB in the beginning and 123.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:42,466 INFO L158 Benchmark]: Boogie Preprocessor took 117.04ms. Allocated memory is still 190.8MB. Free memory was 123.7MB in the beginning and 121.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:42,467 INFO L158 Benchmark]: RCFGBuilder took 1547.25ms. Allocated memory is still 190.8MB. Free memory was 121.2MB in the beginning and 90.0MB in the end (delta: 31.1MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:42,468 INFO L158 Benchmark]: CodeCheck took 1483.90ms. Allocated memory is still 190.8MB. Free memory was 90.0MB in the beginning and 113.3MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:42,473 INFO L158 Benchmark]: Witness Printer took 7.84ms. Allocated memory is still 190.8MB. Free memory was 113.3MB in the beginning and 112.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:42,481 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 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s 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, 19 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 82 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 191]: 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 bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 190. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L182] double y = 1.0 / 0.0; [L183] double x = __VERIFIER_nondet_double(); [L185] CALL isfinite_double(x) [L166] __int32_t hx; VAL [Zero_fmod={4:0}, \old(x)=2, one_fmod=1, x=2] [L168] ieee_double_shape_type gh_u; [L169] EXPR gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] EXPR (hx) = gh_u.parts.msw [L167-L171] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [Zero_fmod={4:0}, \old(x)=2, hx=19638, one_fmod=1, x=2] [L172] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L185] RET isfinite_double(x) [L185] COND TRUE isfinite_double(x) [L187] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, one_fmod=1, x=2, y=3] [L30] ieee_double_shape_type ew_u; [L31] EXPR ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] EXPR (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] EXPR (lx) = ew_u.parts.lsw [L29-L34] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=19638, lx=15, one_fmod=1, x=2, y=3] [L36] ieee_double_shape_type ew_u; [L37] EXPR ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] EXPR (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] EXPR (ly) = ew_u.parts.lsw [L35-L40] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=19638, hy=-2147483648, lx=15, ly=-4294967296, one_fmod=1, x=2, y=3] [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff [L45] EXPR hy | ly [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=19638, hy=0, lx=15, ly=-4294967296, one_fmod=1, sx=0, x=2, y=3] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=2, \old(y)=3, hx=19638, hy=0, lx=15, ly=-4294967296, one_fmod=1, sx=0, x=2, y=3] [L187] RET, EXPR fmod_double(x, y) [L187] double res = fmod_double(x, y); [L190] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1, res=4, x=2, y=3] [L191] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=4, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.52ms. Allocated memory is still 190.8MB. Free memory was 142.1MB in the beginning and 127.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.43ms. Allocated memory is still 190.8MB. Free memory was 127.5MB in the beginning and 123.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.04ms. Allocated memory is still 190.8MB. Free memory was 123.7MB in the beginning and 121.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1547.25ms. Allocated memory is still 190.8MB. Free memory was 121.2MB in the beginning and 90.0MB in the end (delta: 31.1MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * CodeCheck took 1483.90ms. Allocated memory is still 190.8MB. Free memory was 90.0MB in the beginning and 113.3MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.84ms. Allocated memory is still 190.8MB. Free memory was 113.3MB in the beginning and 112.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 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 [2023-11-24 22:16:42,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi --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 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:45,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:45,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:16:45,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:45,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:45,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:45,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:45,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:45,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:45,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:45,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:45,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:45,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:45,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:45,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:45,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:45,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:45,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:45,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:45,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:45,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:45,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:45,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:45,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:45,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:45,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:45,480 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:45,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:45,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:45,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:45,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:45,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:45,484 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:45,484 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:45,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:45,485 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:45,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:45,486 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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31ce7f7c4676859cda30df478f5c182e9a7ecf5b09749c2174b3af169f370c [2023-11-24 22:16:45,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:45,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:45,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:45,876 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:45,877 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:45,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-24 22:16:48,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:49,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:49,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c [2023-11-24 22:16:49,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data/070b25eae/d091b084dfe04b81a6bee1646831284c/FLAG791d6fd05 [2023-11-24 22:16:49,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/data/070b25eae/d091b084dfe04b81a6bee1646831284c [2023-11-24 22:16:49,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:49,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:49,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:49,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:49,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:49,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b36965f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49, skipping insertion in model container [2023-11-24 22:16:49,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:49,623 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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-24 22:16:49,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:49,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:49,730 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_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/sv-benchmarks/c/float-newlib/double_req_bl_1131a.c[4189,4202] [2023-11-24 22:16:49,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:49,755 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:49,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49 WrapperNode [2023-11-24 22:16:49,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:49,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:49,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:49,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:49,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,825 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 243 [2023-11-24 22:16:49,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:49,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:49,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:49,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:49,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:49,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:49,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:49,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:49,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:49,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:49,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:50,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 22:16:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 22:16:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 22:16:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:16:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:50,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:16:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:50,177 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:50,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:02,442 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:02,547 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:02,547 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-24 22:17:02,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:02 BoogieIcfgContainer [2023-11-24 22:17:02,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:02,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:02,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:02,562 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:02,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2023-11-24 22:17:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2023-11-24 22:17:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:17:02,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:02,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:17:02,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:17:02,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:17:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:17:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:02,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:02,985 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:17:02,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:17:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2023-11-24 22:17:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-24 22:17:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:03,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:03,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:03,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:17:03,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:17:03,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d5fd4c-f5bc-4b1f-8ebd-971af9ed0cbc/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:17:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:04,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:17:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:06,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:17:06,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:06,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-24 22:17:08,706 INFO L349 Elim1Store]: treesize reduction 33, result has 36.5 percent of original size [2023-11-24 22:17:08,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 45 [2023-11-24 22:17:10,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-11-24 22:17:20,923 WARN L293 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)