./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.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_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/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_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/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_50b87d0c-367d-4283-ae21-729fcf06f661/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 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:57:56,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:57:56,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:57:56,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:57:56,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:57:56,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:57:56,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:57:56,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:57:56,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:57:56,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:57:56,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:57:56,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:57:56,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:57:56,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:57:56,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:57:56,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:57:56,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:57:56,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:57:56,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:57:56,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:57:56,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:57:56,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:57:56,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:57:56,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:57:56,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:57:56,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:57:56,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:56,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:57:56,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:57:56,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:57:56,304 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:57:56,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:57:56,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:57:56,305 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_50b87d0c-367d-4283-ae21-729fcf06f661/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 [2023-12-03 02:57:56,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:57:56,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:57:56,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:57:56,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:57:56,535 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:57:56,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2023-12-03 02:57:59,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:57:59,443 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:57:59,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2023-12-03 02:57:59,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data/d2ec5fc6d/f13c477ffc6e43dda1b309ccc3b8c46f/FLAGe812567c3 [2023-12-03 02:57:59,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data/d2ec5fc6d/f13c477ffc6e43dda1b309ccc3b8c46f [2023-12-03 02:57:59,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:57:59,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:57:59,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:59,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:57:59,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:57:59,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676754fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59, skipping insertion in model container [2023-12-03 02:57:59,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,492 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:57:59,644 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_50b87d0c-367d-4283-ae21-729fcf06f661/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2023-12-03 02:57:59,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:59,658 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:57:59,685 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_50b87d0c-367d-4283-ae21-729fcf06f661/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2023-12-03 02:57:59,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:57:59,700 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:57:59,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59 WrapperNode [2023-12-03 02:57:59,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:57:59,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:59,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:57:59,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:57:59,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,741 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2023-12-03 02:57:59,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:57:59,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:57:59,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:57:59,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:57:59,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:57:59,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:57:59,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:57:59,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:57:59,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:57:59" (1/1) ... [2023-12-03 02:57:59,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:57:59,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:57:59,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:57:59,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:57:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:57:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:57:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:57:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 02:57:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:57:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 02:57:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:57:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:57:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:57:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:57:59,896 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:57:59,898 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:58:00,079 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:58:00,183 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:58:00,184 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 02:58:00,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:00 BoogieIcfgContainer [2023-12-03 02:58:00,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:58:00,186 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:58:00,186 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:58:00,193 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:58:00,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:00" (1/1) ... [2023-12-03 02:58:00,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:58:00,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2023-12-03 02:58:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2023-12-03 02:58:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:58:00,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:00,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:00,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:58:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-03 02:58:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-03 02:58:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:58:00,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:00,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:58:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:58:00,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:58:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:58:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:58:00,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:58:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:58:00,576 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:58:00,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:58:00 ImpRootNode [2023-12-03 02:58:00,598 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:58:00,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:58:00,599 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:58:00,599 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:58:00,600 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:00" (3/4) ... [2023-12-03 02:58:00,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:58:00,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:58:00,603 INFO L158 Benchmark]: Toolchain (without parser) took 1138.76ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 113.4MB in the beginning and 153.7MB in the end (delta: -40.3MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-12-03 02:58:00,604 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:58:00,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.29ms. Allocated memory is still 144.7MB. Free memory was 112.9MB in the beginning and 101.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:58:00,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.06ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:58:00,605 INFO L158 Benchmark]: Boogie Preprocessor took 29.79ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:58:00,606 INFO L158 Benchmark]: RCFGBuilder took 412.38ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 74.9MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 02:58:00,607 INFO L158 Benchmark]: CodeCheck took 412.09ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 74.9MB in the beginning and 154.6MB in the end (delta: -79.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:58:00,607 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 186.6MB. Free memory was 154.6MB in the beginning and 153.7MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:58:00,610 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 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, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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: 98]: 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 someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 32. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L93] float x = 0.0f / 0.0f; [L94] CALL, EXPR __ieee754_sqrtf(x) [L20] float z; [L21] __uint32_t r, hx; [L22] __int32_t ix, s, q, m, t, i; VAL [\old(x)=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L25] ieee_float_shape_type gf_u; [L26] EXPR gf_u.value = (x) [L27] EXPR gf_u.word [L27] EXPR (ix) = gf_u.word [L24-L28] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, ix=2139107319, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L29] hx = ix & 0x7fffffff VAL [\old(x)=2, hx=2139107319, ix=2139107319, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L31] COND TRUE !((hx) < 0x7f800000L) [L32] return x * x + x; VAL [\old(x)=2, hx=2139107319, ix=2139107319, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=2] [L94] RET, EXPR __ieee754_sqrtf(x) [L94] float res = __ieee754_sqrtf(x); [L97] CALL, EXPR isnan_float(res) [L15] return x != x; [L97] RET, EXPR isnan_float(res) [L97] COND TRUE !isnan_float(res) [L98] reach_error() VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.29ms. Allocated memory is still 144.7MB. Free memory was 112.9MB in the beginning and 101.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.06ms. Allocated memory is still 144.7MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.79ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 97.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.38ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 74.9MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 412.09ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 74.9MB in the beginning and 154.6MB in the end (delta: -79.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 186.6MB. Free memory was 154.6MB in the beginning and 153.7MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:58:00,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/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_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/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_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/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_50b87d0c-367d-4283-ae21-729fcf06f661/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 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:58:02,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:58:02,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:58:02,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:58:02,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:58:02,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:58:02,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:58:02,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:58:02,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:58:02,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:58:02,639 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:58:02,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:58:02,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:58:02,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:58:02,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:58:02,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:58:02,642 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:58:02,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:58:02,643 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:58:02,643 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:58:02,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:58:02,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:58:02,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:58:02,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:58:02,646 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:58:02,646 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:02,646 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:58:02,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:58:02,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:58:02,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:58:02,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:58:02,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:58:02,649 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:58:02,650 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:02,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:58:02,650 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:58:02,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:58:02,651 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_50b87d0c-367d-4283-ae21-729fcf06f661/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 [2023-12-03 02:58:02,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:58:02,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:58:02,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:58:02,985 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:58:02,986 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:58:02,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2023-12-03 02:58:05,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:58:05,934 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:58:05,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2023-12-03 02:58:05,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data/0fe813443/df448b3b11bc44c48b980c82c4208265/FLAGe883c0a67 [2023-12-03 02:58:05,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/data/0fe813443/df448b3b11bc44c48b980c82c4208265 [2023-12-03 02:58:05,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:58:05,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:58:05,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:58:05,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:58:05,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:58:05,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:58:05" (1/1) ... [2023-12-03 02:58:05,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d5f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:05, skipping insertion in model container [2023-12-03 02:58:05,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:58:05" (1/1) ... [2023-12-03 02:58:05,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:58:06,169 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_50b87d0c-367d-4283-ae21-729fcf06f661/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2023-12-03 02:58:06,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:58:06,187 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:58:06,215 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_50b87d0c-367d-4283-ae21-729fcf06f661/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2023-12-03 02:58:06,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:58:06,235 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:58:06,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06 WrapperNode [2023-12-03 02:58:06,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:58:06,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:58:06,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:58:06,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:58:06,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,278 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-12-03 02:58:06,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:58:06,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:58:06,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:58:06,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:58:06,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:58:06,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:58:06,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:58:06,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:58:06,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:58:06" (1/1) ... [2023-12-03 02:58:06,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:58:06,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:58:06,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:58:06,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:58:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:58:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:58:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:58:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:58:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:58:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:58:06,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:58:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:58:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:58:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:58:06,468 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:58:06,470 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:58:07,302 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:58:07,382 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:58:07,382 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 02:58:07,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:07 BoogieIcfgContainer [2023-12-03 02:58:07,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:58:07,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:58:07,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:58:07,393 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:58:07,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:07" (1/1) ... [2023-12-03 02:58:07,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:58:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:07,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-12-03 02:58:07,444 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-12-03 02:58:07,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:58:07,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:07,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:07,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:07,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:07,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:58:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:07,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:07,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:58:07,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:58:07,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:58:07,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:07,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-12-03 02:58:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-12-03 02:58:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:58:07,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:07,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:07,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:07,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:07,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:58:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:07,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:08,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:58:08,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:58:08,243 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:58:08,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:58:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-03 02:58:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-03 02:58:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:58:12,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:12,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:12,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:12,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:12,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:58:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:12,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:12,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:58:12,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:12,658 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 [2023-12-03 02:58:12,665 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 32 treesize of output 16 [2023-12-03 02:58:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:58:12,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:58:12,976 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:58:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2023-12-03 02:58:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-12-03 02:58:15,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:58:15,131 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 02:58:15,137 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:58:15,235 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-12-03 02:58:15,239 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:58:15,239 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-03 02:58:15,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: #res == ~fp.add~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()))) could not be translated [2023-12-03 02:58:15,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:58:15 ImpRootNode [2023-12-03 02:58:15,242 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:58:15,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:58:15,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:58:15,243 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:58:15,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:58:07" (3/4) ... [2023-12-03 02:58:15,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:58:15,251 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-03 02:58:15,251 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 02:58:15,252 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:58:15,252 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:58:15,344 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:58:15,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:58:15,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:58:15,345 INFO L158 Benchmark]: Toolchain (without parser) took 9383.58ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 75.0MB in the end (delta: 8.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-12-03 02:58:15,346 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:58:15,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.35ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 71.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:58:15,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.68ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 69.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:58:15,347 INFO L158 Benchmark]: Boogie Preprocessor took 37.80ms. Allocated memory is still 107.0MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:58:15,348 INFO L158 Benchmark]: RCFGBuilder took 1066.27ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 69.5MB in the end (delta: -2.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-12-03 02:58:15,348 INFO L158 Benchmark]: CodeCheck took 7857.10ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 80.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:58:15,348 INFO L158 Benchmark]: Witness Printer took 102.07ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 75.0MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:58:15,350 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 45 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 167 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 5 QuantifiedInterpolants, 128 SizeOfPredicates, 15 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 19 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: 98]: 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: 24]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.35ms. Allocated memory is still 107.0MB. Free memory was 83.4MB in the beginning and 71.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.68ms. Allocated memory is still 107.0MB. Free memory was 71.0MB in the beginning and 69.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.80ms. Allocated memory is still 107.0MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1066.27ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 69.5MB in the end (delta: -2.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * CodeCheck took 7857.10ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 80.6MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 102.07ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 75.0MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: #res == ~fp.add~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())), ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()))) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 02:58:15,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b87d0c-367d-4283-ae21-729fcf06f661/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