./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL --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 fd5f0f5c445530fc66d295fb5f09c0eb7d918c0584248d18911478208fdeb537 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:53,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:53,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:47:53,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:53,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:53,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:53,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:53,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:53,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:53,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:53,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:53,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:53,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:53,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:53,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:53,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:53,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:53,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:53,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:53,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:53,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:53,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:53,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:53,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:53,315 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:53,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:53,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:53,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:53,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:53,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:53,319 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:53,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:53,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:53,320 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_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd5f0f5c445530fc66d295fb5f09c0eb7d918c0584248d18911478208fdeb537 [2023-11-19 02:47:53,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:53,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:53,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:53,681 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:53,682 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:53,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2023-11-19 02:47:56,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:57,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:57,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2023-11-19 02:47:57,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data/04cce8907/825689ed17b84c79afb2a64062674018/FLAG2e78bf172 [2023-11-19 02:47:57,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data/04cce8907/825689ed17b84c79afb2a64062674018 [2023-11-19 02:47:57,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:57,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:57,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:57,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:57,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:57,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fa0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57, skipping insertion in model container [2023-11-19 02:47:57,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,094 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:57,255 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_827967cc-41ed-41b8-87a3-61e003431802/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c[1743,1756] [2023-11-19 02:47:57,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:57,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:57,293 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_827967cc-41ed-41b8-87a3-61e003431802/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c[1743,1756] [2023-11-19 02:47:57,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:57,307 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:57,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57 WrapperNode [2023-11-19 02:47:57,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:57,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:57,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:57,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:57,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,355 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2023-11-19 02:47:57,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:57,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:57,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:57,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:57,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:57,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:57,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:57,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:57,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:57" (1/1) ... [2023-11-19 02:47:57,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:57,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:57,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:57,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 02:47:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 02:47:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:47:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:57,611 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:57,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:57,960 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:58,076 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:58,076 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:47:58,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:58 BoogieIcfgContainer [2023-11-19 02:47:58,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:58,082 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:58,082 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:58,093 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:58,093 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:58" (1/1) ... [2023-11-19 02:47:58,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-19 02:47:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-19 02:47:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:47:58,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 02:47:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 02:47:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:47:58,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:58,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:47:58,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:47:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:47:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:47:58,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:47:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:47:58,656 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:47:58,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:47:58 ImpRootNode [2023-11-19 02:47:58,682 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:47:58,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:47:58,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:47:58,683 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:47:58,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:58" (3/4) ... [2023-11-19 02:47:58,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:47:58,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:47:58,687 INFO L158 Benchmark]: Toolchain (without parser) took 1623.55ms. Allocated memory is still 148.9MB. Free memory was 117.3MB in the beginning and 105.4MB in the end (delta: 11.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-19 02:47:58,688 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:58,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.34ms. Allocated memory is still 148.9MB. Free memory was 117.3MB in the beginning and 105.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:47:58,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.11ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 103.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:58,690 INFO L158 Benchmark]: Boogie Preprocessor took 32.88ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:58,691 INFO L158 Benchmark]: RCFGBuilder took 691.11ms. Allocated memory is still 148.9MB. Free memory was 102.2MB in the beginning and 76.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:47:58,691 INFO L158 Benchmark]: CodeCheck took 599.67ms. Allocated memory is still 148.9MB. Free memory was 76.3MB in the beginning and 105.4MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:58,692 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 148.9MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:58,695 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 60 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 81]: 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 someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 24. Possible FailurePath: [L76] float x = 1.0f / 0.0f; [L77] CALL, EXPR round_float(x) [L14] __uint32_t w; [L16] int exponent_less_127; VAL [\old(x)=2, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (w) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095040, x=2] [L24] EXPR w & 0x7f800000 [L24] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L26] COND FALSE !(exponent_less_127 < 23) [L42] COND TRUE exponent_less_127 == 128 [L44] return x + x; VAL [\old(x)=2, \result=3, exponent_less_127=128, w=2139095040, x=2] [L77] RET, EXPR round_float(x) [L77] float res = round_float(x); [L80] CALL, EXPR isinf_float(res) [L58] __int32_t ix; VAL [\old(x)=3, x=3] [L60] ieee_float_shape_type gf_u; [L61] EXPR gf_u.value = (x) [L62] EXPR gf_u.word [L62] EXPR (ix) = gf_u.word [L59-L63] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=3, ix=0, x=3] [L64] ix &= 0x7fffffff [L65] return ((ix) == 0x7f800000L); [L80] RET, EXPR isinf_float(res) [L80] COND TRUE !isinf_float(res) [L81] reach_error() VAL [res=3, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.34ms. Allocated memory is still 148.9MB. Free memory was 117.3MB in the beginning and 105.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.11ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 103.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.88ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 102.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.11ms. Allocated memory is still 148.9MB. Free memory was 102.2MB in the beginning and 76.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 599.67ms. Allocated memory is still 148.9MB. Free memory was 76.3MB in the beginning and 105.4MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 148.9MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:47:58,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL --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 fd5f0f5c445530fc66d295fb5f09c0eb7d918c0584248d18911478208fdeb537 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:01,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:01,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:48:01,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:01,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:01,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:01,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:01,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:01,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:01,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:01,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:01,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:01,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:01,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:01,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:01,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:01,623 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:48:01,623 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:48:01,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:48:01,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:01,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:01,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:01,626 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:01,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:01,627 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:01,628 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:01,628 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:48:01,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:01,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:01,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:01,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:01,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:01,631 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:48:01,632 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:01,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:01,632 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:48:01,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:48:01,633 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_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd5f0f5c445530fc66d295fb5f09c0eb7d918c0584248d18911478208fdeb537 [2023-11-19 02:48:02,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:02,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:02,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:02,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:02,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:02,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2023-11-19 02:48:05,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:05,667 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:05,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2023-11-19 02:48:05,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data/886b513b9/cb47ef28a55d43908a2b72792bdda402/FLAGac6096987 [2023-11-19 02:48:05,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/data/886b513b9/cb47ef28a55d43908a2b72792bdda402 [2023-11-19 02:48:05,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:05,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:05,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:05,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:05,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:05,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:05" (1/1) ... [2023-11-19 02:48:05,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a31cae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:05, skipping insertion in model container [2023-11-19 02:48:05,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:05" (1/1) ... [2023-11-19 02:48:05,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:05,958 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_827967cc-41ed-41b8-87a3-61e003431802/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c[1743,1756] [2023-11-19 02:48:05,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:05,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:06,036 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_827967cc-41ed-41b8-87a3-61e003431802/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c[1743,1756] [2023-11-19 02:48:06,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:06,066 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:06,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06 WrapperNode [2023-11-19 02:48:06,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:06,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:06,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:06,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:06,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,163 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2023-11-19 02:48:06,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:06,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:06,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:06,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:06,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:06,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:06,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:06,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:06,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:06,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:06,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:06,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:48:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:48:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 02:48:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:48:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:06,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 02:48:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:48:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:48:06,467 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:06,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:06,839 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:06,905 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:06,905 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:48:06,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:06 BoogieIcfgContainer [2023-11-19 02:48:06,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:06,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:06,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:06,926 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:06,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:06" (1/1) ... [2023-11-19 02:48:06,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:07,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-11-19 02:48:07,010 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-11-19 02:48:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:48:07,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:07,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:07,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:48:07,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:48:07,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:48:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:07,187 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:48:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:07,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:07,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:07,242 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:48:07,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:48:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 02:48:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 02:48:07,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:48:07,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:07,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:48:07,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:48:07,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:48:07,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:48:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:07,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:48:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:07,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:48:07,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:07,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:48:08,219 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:48:08,221 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2023-11-19 02:48:08,231 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 26 treesize of output 14 [2023-11-19 02:48:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:08,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 02:48:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2023-11-19 02:48:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-11-19 02:48:09,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:48:09,577 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-19 02:48:09,584 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:48:09,678 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:48:09,681 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 02:48:09,683 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-11-19 02:48:09,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: ~x == ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) && ~fp~32(#memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-19 02:48:09,688 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-11-19 02:48:09,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: #res == ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) && ~fp~32(#memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-19 02:48:09,690 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-11-19 02:48:09,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(~ix~0[31:31], ~ix~0[30:23], ~ix~0[22:0]) == ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-11-19 02:48:09,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:48:09 ImpRootNode [2023-11-19 02:48:09,691 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:48:09,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:48:09,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:48:09,693 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:48:09,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:06" (3/4) ... [2023-11-19 02:48:09,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:48:09,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 02:48:09,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 02:48:09,708 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:48:09,708 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:48:09,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:48:09,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:48:09,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:48:09,829 INFO L158 Benchmark]: Toolchain (without parser) took 4123.14ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 55.2MB in the end (delta: -11.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-19 02:48:09,829 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 114.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:48:09,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.67ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 31.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:48:09,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.26ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 31.5MB in the beginning and 64.2MB in the end (delta: -32.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-19 02:48:09,833 INFO L158 Benchmark]: Boogie Preprocessor took 73.28ms. Allocated memory is still 86.0MB. Free memory was 64.2MB in the beginning and 62.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:48:09,834 INFO L158 Benchmark]: RCFGBuilder took 674.09ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 47.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:48:09,835 INFO L158 Benchmark]: CodeCheck took 2776.88ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 60.4MB in the end (delta: -13.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-19 02:48:09,836 INFO L158 Benchmark]: Witness Printer took 133.76ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 55.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:48:09,839 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 28 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 7 QuantifiedInterpolants, 307 SizeOfPredicates, 12 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 81]: 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: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 114.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.67ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 31.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.26ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 31.5MB in the beginning and 64.2MB in the end (delta: -32.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.28ms. Allocated memory is still 86.0MB. Free memory was 64.2MB in the beginning and 62.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.09ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 47.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2776.88ms. Allocated memory is still 86.0MB. Free memory was 47.1MB in the beginning and 60.4MB in the end (delta: -13.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 133.76ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 55.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: ~x == ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) && ~fp~32(#memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: #res == ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) && ~fp~32(#memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_round_float_~#gf_u~0#1.base_11][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~32(~ix~0[31:31], ~ix~0[30:23], ~ix~0[22:0]) == ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 02:48:09,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827967cc-41ed-41b8-87a3-61e003431802/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: TRUE