./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.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_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:52:59,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:52:59,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:52:59,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:52:59,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:52:59,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:52:59,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:52:59,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:52:59,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:52:59,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:52:59,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:52:59,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:52:59,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:52:59,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:52:59,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:52:59,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:52:59,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:52:59,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:52:59,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:52:59,462 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:52:59,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:52:59,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:52:59,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:52:59,464 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:52:59,464 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:52:59,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:52:59,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:52:59,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:52:59,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:52:59,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:52:59,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:52:59,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:52:59,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:52:59,468 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_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 [2023-12-02 22:52:59,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:52:59,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:52:59,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:52:59,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:52:59,723 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:52:59,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-12-02 22:53:02,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:53:03,079 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:53:03,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-12-02 22:53:03,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data/504a83898/7f9c21410aca4ed0aa28ab7510698bb2/FLAGf471e9f0e [2023-12-02 22:53:03,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data/504a83898/7f9c21410aca4ed0aa28ab7510698bb2 [2023-12-02 22:53:03,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:53:03,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:53:03,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:53:03,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:53:03,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:53:03,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5353cb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03, skipping insertion in model container [2023-12-02 22:53:03,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:53:03,327 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_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-12-02 22:53:03,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:53:03,343 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:53:03,373 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_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-12-02 22:53:03,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:53:03,391 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:53:03,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03 WrapperNode [2023-12-02 22:53:03,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:53:03,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:53:03,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:53:03,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:53:03,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,442 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2023-12-02 22:53:03,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:53:03,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:53:03,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:53:03,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:53:03,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:53:03,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:53:03,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:53:03,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:53:03,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:03" (1/1) ... [2023-12-02 22:53:03,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:53:03,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:53:03,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:53:03,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:53:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:53:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:53:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:53:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 22:53:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:53:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 22:53:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:53:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:53:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:53:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:53:03,645 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:53:03,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:53:03,924 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:53:04,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:53:04,078 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 22:53:04,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:04 BoogieIcfgContainer [2023-12-02 22:53:04,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:53:04,082 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:53:04,082 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:53:04,095 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:53:04,095 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:04" (1/1) ... [2023-12-02 22:53:04,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:53:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-02 22:53:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-02 22:53:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:53:04,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:04,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:53:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:53:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 22:53:04,350 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 22:53:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:53:04,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:04,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:53:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:53:04,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:53:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:53:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:53:04,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:53:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:53:04,614 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 22:53:04,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:53:04 ImpRootNode [2023-12-02 22:53:04,644 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:53:04,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:53:04,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:53:04,645 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:53:04,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:04" (3/4) ... [2023-12-02 22:53:04,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:53:04,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:53:04,650 INFO L158 Benchmark]: Toolchain (without parser) took 1540.03ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 77.5MB in the end (delta: 25.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-12-02 22:53:04,651 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:53:04,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.06ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 91.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:53:04,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.41ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:53:04,653 INFO L158 Benchmark]: Boogie Preprocessor took 37.95ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 88.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:53:04,654 INFO L158 Benchmark]: RCFGBuilder took 598.74ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 101.9MB in the end (delta: -13.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-12-02 22:53:04,655 INFO L158 Benchmark]: CodeCheck took 562.31ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 77.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:53:04,655 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 142.6MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:53:04,659 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 3 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, 0.1s 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: 83]: 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 46. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; [L78] float x = -1.0f / 0.0f; [L79] CALL, EXPR ceil_float(x) [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, i0=2139095039, x=2] [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L25] COND FALSE !(j0 < 23) [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [\old(x)=2, \result=2, huge_ceil=1000000000000000000000000000000, i0=2139095039, i=2139095039, j0=127, x=2] [L79] RET, EXPR ceil_float(x) [L79] float res = ceil_float(x); [L82] CALL, EXPR isinf_float(res) [L60] __int32_t ix; VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, x=2] [L62] ieee_float_shape_type gf_u; [L63] EXPR gf_u.value = (x) [L64] EXPR gf_u.word [L64] EXPR (ix) = gf_u.word [L61-L65] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, ix=0, x=2] [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); [L82] RET, EXPR isinf_float(res) [L82] COND TRUE !isinf_float(res) [L83] reach_error() VAL [huge_ceil=1000000000000000000000000000000, res=2, 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 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.06ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 91.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.41ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.95ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 88.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.74ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 101.9MB in the end (delta: -13.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 562.31ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 77.5MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 142.6MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:53:04,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:53:06,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:53:06,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:53:06,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:53:06,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:53:06,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:53:06,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:53:06,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:53:06,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:53:06,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:53:06,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:53:06,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:53:06,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:53:06,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:53:06,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:53:06,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:53:06,887 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:53:06,888 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:53:06,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:53:06,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:53:06,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:53:06,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:53:06,891 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:53:06,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:53:06,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:53:06,893 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:06,893 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:53:06,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:53:06,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:53:06,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:53:06,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:53:06,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:53:06,896 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:53:06,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:06,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:53:06,898 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:53:06,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:53:06,899 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_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e19935633e394bb6492032fcd7d527ec5c122487e90b0c79abdb6dfbdef24c42 [2023-12-02 22:53:07,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:53:07,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:53:07,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:53:07,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:53:07,302 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:53:07,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-12-02 22:53:10,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:53:11,104 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:53:11,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2023-12-02 22:53:11,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data/15e5e5ce0/790e56de77e74623b0a7561d279689f4/FLAG40dff2104 [2023-12-02 22:53:11,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/data/15e5e5ce0/790e56de77e74623b0a7561d279689f4 [2023-12-02 22:53:11,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:53:11,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:53:11,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:53:11,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:53:11,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:53:11,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b4403c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11, skipping insertion in model container [2023-12-02 22:53:11,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:53:11,654 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_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-12-02 22:53:11,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:53:11,675 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:53:11,705 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_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c[1790,1803] [2023-12-02 22:53:11,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:53:11,726 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:53:11,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11 WrapperNode [2023-12-02 22:53:11,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:53:11,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:53:11,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:53:11,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:53:11,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,778 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-12-02 22:53:11,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:53:11,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:53:11,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:53:11,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:53:11,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:53:11,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:53:11,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:53:11,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:53:11,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:11" (1/1) ... [2023-12-02 22:53:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:53:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:53:11,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:53:11,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:53:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:53:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:53:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:53:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 22:53:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:53:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:53:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:53:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 22:53:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:53:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:53:11,997 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:53:11,999 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:53:12,839 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:53:12,915 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:53:12,915 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 22:53:12,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:12 BoogieIcfgContainer [2023-12-02 22:53:12,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:53:12,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:53:12,919 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:53:12,932 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:53:12,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:12" (1/1) ... [2023-12-02 22:53:12,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:53:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-02 22:53:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-02 22:53:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:53:13,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:13,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:13,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:13,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:13,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:53:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:13,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:13,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:53:13,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:53:13,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:53:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-12-02 22:53:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-12-02 22:53:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:53:13,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:13,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:13,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:13,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:13,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:53:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:13,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:13,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 22:53:13,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:13,888 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 [2023-12-02 22:53:14,344 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:53:14,345 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2023-12-02 22:53:14,358 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 27 treesize of output 15 [2023-12-02 22:53:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:53:14,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:53:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-12-02 22:53:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-12-02 22:53:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:53:16,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:16,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:16,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:16,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:16,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:53:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:16,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:16,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:53:16,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:16,410 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:53:16,411 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2023-12-02 22:53:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:53:16,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:53:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2023-12-02 22:53:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-12-02 22:53:18,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:53:18,072 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-02 22:53:18,079 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:53:18,238 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-02 22:53:18,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == #res) could not be translated [2023-12-02 22:53:18,245 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:53:18,246 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-02 22:53:18,247 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-02 22:53:18,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~fp~32(~ix~1[31:31], ~ix~1[30:23], ~ix~1[22:0]) && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated [2023-12-02 22:53:18,248 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-02 22:53:18,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~x) could not be translated [2023-12-02 22:53:18,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:53:18 ImpRootNode [2023-12-02 22:53:18,250 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:53:18,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:53:18,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:53:18,251 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:53:18,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:12" (3/4) ... [2023-12-02 22:53:18,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:53:18,261 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-02 22:53:18,262 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 22:53:18,262 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:53:18,263 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:53:18,382 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:53:18,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:53:18,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:53:18,384 INFO L158 Benchmark]: Toolchain (without parser) took 6952.82ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 71.0MB in the end (delta: 14.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-12-02 22:53:18,385 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:53:18,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.17ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 73.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:53:18,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.51ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:53:18,387 INFO L158 Benchmark]: Boogie Preprocessor took 47.00ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 70.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:53:18,387 INFO L158 Benchmark]: RCFGBuilder took 1090.51ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 77.2MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:53:18,388 INFO L158 Benchmark]: CodeCheck took 5330.56ms. Allocated memory is still 109.1MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-12-02 22:53:18,388 INFO L158 Benchmark]: Witness Printer took 133.31ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 71.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:53:18,391 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: 5.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 49 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 224 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 10 QuantifiedInterpolants, 394 SizeOfPredicates, 20 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 83]: 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: 15]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.17ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 73.5MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.51ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.00ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 70.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1090.51ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 77.2MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5330.56ms. Allocated memory is still 109.1MB. Free memory was 77.2MB in the beginning and 76.0MB in the end (delta: 1.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 133.31ms. Allocated memory is still 109.1MB. Free memory was 76.0MB in the beginning and 71.0MB in the end (delta: 5.0MB). 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 currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~fp~32(~ix~1[31:31], ~ix~1[30:23], ~ix~1[22:0]) && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11 : bv32 :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_11][0bv32][22:0]) && ~fp.add~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) == ~x) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 22:53:18,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8baf1d72-cc73-43d9-9c0d-fe3f094c4e44/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE