./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.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_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:09,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:09,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:19:09,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:09,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:09,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:09,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:09,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:09,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:09,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:09,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:09,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:09,785 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:09,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:09,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:09,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:09,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:09,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:09,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:09,790 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:09,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:09,791 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:09,792 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:09,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:09,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:09,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:09,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:09,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:09,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:09,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:09,797 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:09,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:09,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:09,798 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_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2023-11-24 22:19:10,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:10,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:10,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:10,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:10,130 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:10,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-11-24 22:19:13,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:13,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:13,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-11-24 22:19:13,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data/f66c4b8cc/1401dc88d67445a7b129de2397c943d0/FLAG6acf4f75e [2023-11-24 22:19:13,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data/f66c4b8cc/1401dc88d67445a7b129de2397c943d0 [2023-11-24 22:19:13,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:13,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:13,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:13,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:13,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:13,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cad52b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13, skipping insertion in model container [2023-11-24 22:19:13,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:13,813 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_d427104e-3fb9-44f9-a4b9-fec98de0529a/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-11-24 22:19:13,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:13,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:13,850 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_d427104e-3fb9-44f9-a4b9-fec98de0529a/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-11-24 22:19:13,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:13,866 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13 WrapperNode [2023-11-24 22:19:13,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:13,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:13,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:13,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:13,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,912 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-24 22:19:13,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:13,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:13,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:13,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:13,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:13,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:13,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:13,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:13,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:13" (1/1) ... [2023-11-24 22:19:13,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:13,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:13,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:14,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 22:19:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:14,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 22:19:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:14,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:14,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:14,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:14,154 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:14,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:14,317 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:14,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:14,362 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:19:14,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:14 BoogieIcfgContainer [2023-11-24 22:19:14,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:14,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:14,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:14,377 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:14,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 22:19:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 22:19:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:14,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:14,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:14,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:19:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:19:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:19:14,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:14,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:14,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:14,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:19:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:19:14,852 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:19:14,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-24 22:19:14,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:14 ImpRootNode [2023-11-24 22:19:14,882 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:14,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:14,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:14,884 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:14,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:14" (3/4) ... [2023-11-24 22:19:14,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:19:14,888 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:14,889 INFO L158 Benchmark]: Toolchain (without parser) took 1303.29ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 92.3MB in the end (delta: 45.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:14,891 INFO L158 Benchmark]: CDTParser took 19.87ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 94.4MB in the end (delta: -21.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-24 22:19:14,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.46ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 126.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:19:14,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.27ms. Allocated memory is still 176.2MB. Free memory was 126.9MB in the beginning and 125.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:14,894 INFO L158 Benchmark]: Boogie Preprocessor took 40.79ms. Allocated memory is still 176.2MB. Free memory was 125.1MB in the beginning and 123.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:14,895 INFO L158 Benchmark]: RCFGBuilder took 410.22ms. Allocated memory is still 176.2MB. Free memory was 123.8MB in the beginning and 111.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:19:14,900 INFO L158 Benchmark]: CodeCheck took 516.12ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 92.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:19:14,900 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 176.2MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:14,907 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, 15 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, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 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, 9 mSDtfsCounter, 3 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 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: 52]: 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 51, overapproximation of someUnaryFLOAToperation at line 47. Possible FailurePath: [L47] float x = -0.0f; [L48] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; VAL [\old(x)=2, x=2] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (ix) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=2, ix=2147483648, x=2] [L22] ieee_float_shape_type sf_u; [L23] EXPR sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] EXPR (x) = sf_u.value [L21-L25] { ieee_float_shape_type sf_u; sf_u.word = (ix & 0x7fffffff); (x) = sf_u.value; } VAL [\old(x)=2, ix=2147483648, x=3] [L26] return x; [L48] RET, EXPR fabs_float(x) [L48] float res = fabs_float(x); [L51] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=3, x=2] [L51] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L52] reach_error() VAL [res=3, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 19.87ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 94.4MB in the end (delta: -21.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.46ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 126.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.27ms. Allocated memory is still 176.2MB. Free memory was 126.9MB in the beginning and 125.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.79ms. Allocated memory is still 176.2MB. Free memory was 125.1MB in the beginning and 123.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.22ms. Allocated memory is still 176.2MB. Free memory was 123.8MB in the beginning and 111.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 516.12ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 92.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 176.2MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:19:14,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:17,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:17,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:19:17,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:17,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:17,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:17,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:17,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:17,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:17,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:17,831 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:17,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:17,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:17,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:17,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:17,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:17,834 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:19:17,835 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:19:17,835 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:19:17,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:17,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:17,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:17,838 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:17,838 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:17,838 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:17,839 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:17,839 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:17,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:17,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:17,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:17,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:17,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:17,842 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:19:17,843 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:17,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:17,843 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:19:17,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:19:17,844 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_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2023-11-24 22:19:18,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:18,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:18,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:18,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:18,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:18,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-11-24 22:19:21,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:21,691 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:21,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2023-11-24 22:19:21,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data/e7ce25d60/1f6cff54350046f383fe3133fe5fd7c5/FLAGa1e694661 [2023-11-24 22:19:21,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/data/e7ce25d60/1f6cff54350046f383fe3133fe5fd7c5 [2023-11-24 22:19:21,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:21,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:21,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:21,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:21,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:21,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7128cbd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:21, skipping insertion in model container [2023-11-24 22:19:21,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:21,937 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_d427104e-3fb9-44f9-a4b9-fec98de0529a/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-11-24 22:19:21,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:21,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:21,994 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_d427104e-3fb9-44f9-a4b9-fec98de0529a/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c[1146,1159] [2023-11-24 22:19:21,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:22,018 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:22,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22 WrapperNode [2023-11-24 22:19:22,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:22,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:22,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:22,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:22,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,081 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-24 22:19:22,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:22,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:22,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:22,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:22,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:22,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:22,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:22,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:22,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:22,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:22,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:22,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:19:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 22:19:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:19:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 22:19:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:19:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:22,350 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:22,353 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:22,607 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:22,636 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:22,636 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:19:22,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22 BoogieIcfgContainer [2023-11-24 22:19:22,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:22,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:22,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:22,653 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:22,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22" (1/1) ... [2023-11-24 22:19:22,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 22:19:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 22:19:22,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:22,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:22,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:22,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:22,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:19:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:19:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:22,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:22,903 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:19:22,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:19:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:19:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:19:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:19:22,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:22,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:22,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:22,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:19:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:19:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:19:23,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:23,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-24 22:19:23,352 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 50 treesize of output 26 [2023-11-24 22:19:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:23,450 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:19:23,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:19:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-11-24 22:19:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-24 22:19:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:23,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:23,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:23,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:23,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:19:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:19:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:19:23,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:23,882 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:19:23,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:19:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-11-24 22:19:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-11-24 22:19:23,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:19:23,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:19:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:19:23,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:19:23,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 22:19:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:19:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:19:24,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:24,138 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 13 treesize of output 9 [2023-11-24 22:19:24,462 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-11-24 22:19:24,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 49 [2023-11-24 22:19:24,477 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-24 22:19:24,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2023-11-24 22:19:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:24,685 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:19:24,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-24 22:19:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-11-24 22:19:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-11-24 22:19:25,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:19:25,873 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-24 22:19:25,881 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:19:25,953 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-11-24 22:19:25,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-11-24 22:19:25,961 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:19:25,962 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-11-24 22:19:25,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated [2023-11-24 22:19:25,964 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-11-24 22:19:25,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-24 22:19:25,965 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2023-11-24 22:19:25,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32 :: ~fp~32(~bvand~32(2147483647bv32, v_arrayElimCell_1)[31:31], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[30:23], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[22:0]) == ~x && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated [2023-11-24 22:19:25,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-11-24 22:19:25,967 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-11-24 22:19:25,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0])) could not be translated [2023-11-24 22:19:25,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:19:25 ImpRootNode [2023-11-24 22:19:25,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:19:25,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:19:25,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:19:25,969 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:19:25,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:22" (3/4) ... [2023-11-24 22:19:25,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:19:25,980 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 22:19:25,980 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:19:25,981 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 22:19:25,981 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:19:26,064 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:19:26,064 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:19:26,065 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:19:26,066 INFO L158 Benchmark]: Toolchain (without parser) took 4347.87ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 58.3MB in the beginning and 51.8MB in the end (delta: 6.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-24 22:19:26,066 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 19.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:19:26,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.54ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 46.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:19:26,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.05ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:26,068 INFO L158 Benchmark]: Boogie Preprocessor took 50.09ms. Allocated memory is still 81.8MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:26,068 INFO L158 Benchmark]: RCFGBuilder took 507.89ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 51.7MB in the end (delta: -8.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-24 22:19:26,069 INFO L158 Benchmark]: CodeCheck took 3325.42ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 51.7MB in the beginning and 56.0MB in the end (delta: -4.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-11-24 22:19:26,070 INFO L158 Benchmark]: Witness Printer took 96.07ms. Allocated memory is still 113.2MB. Free memory was 56.0MB in the beginning and 51.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:19:26,073 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 54 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 10 QuantifiedInterpolants, 383 SizeOfPredicates, 16 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 52]: 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: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 19.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.54ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 46.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.05ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.09ms. Allocated memory is still 81.8MB. Free memory was 44.9MB in the beginning and 43.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.89ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 51.7MB in the end (delta: -8.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * CodeCheck took 3325.42ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 51.7MB in the beginning and 56.0MB in the end (delta: -4.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Witness Printer took 96.07ms. Allocated memory is still 113.2MB. Free memory was 56.0MB in the beginning and 51.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_1 : bv32 :: ~fp~32(~bvand~32(2147483647bv32, v_arrayElimCell_1)[31:31], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[30:23], ~bvand~32(2147483647bv32, v_arrayElimCell_1)[22:0]) == ~x && ~fp~32(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp.neg~32(~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0])) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 22:19:26,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d427104e-3fb9-44f9-a4b9-fec98de0529a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE