./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22f65bf7dc6be28e766baed8be33578320f214b34c577175c650fbf680c0e83b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:08,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:08,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:53:08,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:08,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:08,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:08,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:08,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:08,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:08,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:08,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:08,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:08,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:08,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:08,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:08,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:08,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:08,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:08,887 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:08,887 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:08,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:08,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:08,889 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:08,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:08,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:08,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:08,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:08,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:08,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:08,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:08,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:08,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:08,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:08,896 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_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22f65bf7dc6be28e766baed8be33578320f214b34c577175c650fbf680c0e83b [2023-11-19 02:53:09,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:09,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:09,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:09,283 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:09,283 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:09,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2023-11-19 02:53:12,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:12,657 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:12,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2023-11-19 02:53:12,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data/3d04f8588/502b89054ff14554945d2e6ce053c6ae/FLAGf5180b140 [2023-11-19 02:53:12,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data/3d04f8588/502b89054ff14554945d2e6ce053c6ae [2023-11-19 02:53:12,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:12,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:12,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:12,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:12,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:12,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:12" (1/1) ... [2023-11-19 02:53:12,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57491b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:12, skipping insertion in model container [2023-11-19 02:53:12,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:12" (1/1) ... [2023-11-19 02:53:12,738 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:12,954 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_5402e637-a57c-4053-978e-1fd965999207/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2023-11-19 02:53:12,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:12,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:13,014 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_5402e637-a57c-4053-978e-1fd965999207/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2023-11-19 02:53:13,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:13,030 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:13,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13 WrapperNode [2023-11-19 02:53:13,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:13,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:13,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:13,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:13,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,074 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2023-11-19 02:53:13,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:13,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:13,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:13,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:13,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:13,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:13,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:13,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:13,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:13,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:13,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:13,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 02:53:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 02:53:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:13,318 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:13,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:13,735 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:13,918 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:13,918 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:53:13,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:13 BoogieIcfgContainer [2023-11-19 02:53:13,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:13,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:13,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:13,935 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:13,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:13" (1/1) ... [2023-11-19 02:53:13,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 02:53:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 02:53:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:53:13,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:13,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 02:53:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 02:53:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:53:14,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:14,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:14,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:53:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:14,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:53:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:53:14,473 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:53:14,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-19 02:53:14,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:53:14 ImpRootNode [2023-11-19 02:53:14,556 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:53:14,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:53:14,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:53:14,558 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:53:14,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:13" (3/4) ... [2023-11-19 02:53:14,560 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:53:14,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:53:14,568 INFO L158 Benchmark]: Toolchain (without parser) took 1872.94ms. Allocated memory is still 148.9MB. Free memory was 112.8MB in the beginning and 117.9MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:14,568 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:14,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.57ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 117.6MB in the end (delta: -5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:53:14,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.51ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 115.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:14,577 INFO L158 Benchmark]: Boogie Preprocessor took 35.97ms. Allocated memory is still 148.9MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:14,578 INFO L158 Benchmark]: RCFGBuilder took 810.96ms. Allocated memory is still 148.9MB. Free memory was 114.0MB in the beginning and 87.5MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:53:14,579 INFO L158 Benchmark]: CodeCheck took 632.63ms. Allocated memory is still 148.9MB. Free memory was 87.5MB in the beginning and 117.9MB in the end (delta: -30.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-19 02:53:14,580 INFO L158 Benchmark]: Witness Printer took 9.78ms. Allocated memory is still 148.9MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:14,583 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 83]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someUnaryFLOAToperation at line 78, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; [L78] float x = -0.0f; [L79] CALL, EXPR ceil_float(x) [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, x=2] [L19] ieee_float_shape_type gf_u; [L20] EXPR gf_u.value = (x) [L21] EXPR gf_u.word [L21] EXPR (i0) = gf_u.word [L18-L22] { ieee_float_shape_type gf_u; gf_u.value = (x); (i0) = gf_u.word; } VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, i0=1258291200, x=2] [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [\old(x)=2, huge_ceil=1000000000000000000000000000000, i0=1258291200, i=1258291200, j0=23, x=2] [L25] COND FALSE !(j0 < 23) [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [\old(x)=2, \result=2, huge_ceil=1000000000000000000000000000000, i0=1258291200, i=1258291200, j0=23, x=2] [L79] RET, EXPR ceil_float(x) [L79] float res = ceil_float(x); [L82] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000, res=2, x=2] [L82] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L83] reach_error() VAL [huge_ceil=1000000000000000000000000000000, res=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.57ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 117.6MB in the end (delta: -5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.51ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 115.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.97ms. Allocated memory is still 148.9MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 810.96ms. Allocated memory is still 148.9MB. Free memory was 114.0MB in the beginning and 87.5MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 632.63ms. Allocated memory is still 148.9MB. Free memory was 87.5MB in the beginning and 117.9MB in the end (delta: -30.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 9.78ms. Allocated memory is still 148.9MB. Free memory is still 117.9MB. 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~short13 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 [2023-11-19 02:53:14,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22f65bf7dc6be28e766baed8be33578320f214b34c577175c650fbf680c0e83b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:17,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:17,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:53:17,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:17,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:17,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:17,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:17,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:17,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:17,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:17,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:17,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:17,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:17,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:17,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:17,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:17,537 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:53:17,538 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:53:17,538 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:53:17,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:17,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:17,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:17,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:17,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:17,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:17,542 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:17,543 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:17,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:17,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:17,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:17,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:17,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:17,546 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:53:17,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:17,547 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:17,547 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:53:17,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:17,548 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_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22f65bf7dc6be28e766baed8be33578320f214b34c577175c650fbf680c0e83b [2023-11-19 02:53:17,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:18,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:18,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:18,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:18,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:18,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2023-11-19 02:53:21,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:21,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:21,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2023-11-19 02:53:21,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data/fcfcdbbfb/9845042498ea4b35911548d59cca12cc/FLAG02f83e1d4 [2023-11-19 02:53:21,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/data/fcfcdbbfb/9845042498ea4b35911548d59cca12cc [2023-11-19 02:53:21,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:21,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:21,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:21,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:21,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:21,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703ef6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21, skipping insertion in model container [2023-11-19 02:53:21,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:21,762 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_5402e637-a57c-4053-978e-1fd965999207/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2023-11-19 02:53:21,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:21,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:21,835 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_5402e637-a57c-4053-978e-1fd965999207/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2023-11-19 02:53:21,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:21,860 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:21,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21 WrapperNode [2023-11-19 02:53:21,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:21,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:21,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:21,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:21,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,929 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2023-11-19 02:53:21,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:21,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:21,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:21,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:21,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:22,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:22,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:22,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:22,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:22,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:22,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:22,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:22,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:22,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:53:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 02:53:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:53:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 02:53:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:53:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:22,170 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:22,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:22,895 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:23,023 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:23,023 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:53:23,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:23 BoogieIcfgContainer [2023-11-19 02:53:23,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:23,030 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:23,030 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:23,041 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:23,041 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:23" (1/1) ... [2023-11-19 02:53:23,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 02:53:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 02:53:23,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:53:23,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:23,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:23,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:23,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:53:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:23,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:23,364 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:53:23,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:53:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 02:53:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 02:53:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:53:23,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:23,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:23,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:23,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:23,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:53:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:23,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:53:23,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:23,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:53:23,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-19 02:53:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:23,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 02:53:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 02:53:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 02:53:24,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:53:24,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:24,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:24,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:24,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 02:53:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:24,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:24,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:24,454 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:53:24,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 02:53:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-19 02:53:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-19 02:53:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:25,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:25,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:25,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:25,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 02:53:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 02:53:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-19 02:53:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-19 02:53:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:53:25,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:25,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:25,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:25,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 02:53:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-19 02:53:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-19 02:53:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-19 02:53:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:53:25,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:25,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:25,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:25,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 02:53:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:53:26,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:26,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:53:26,822 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 44 treesize of output 20 [2023-11-19 02:53:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:26,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 02:53:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2023-11-19 02:53:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2023-11-19 02:53:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:53:28,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:28,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:53:28,173 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:53:28,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 02:53:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:53:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:28,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:53:28,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 02:53:28,782 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 02:53:28,783 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 38 treesize of output 25 [2023-11-19 02:53:29,272 INFO L349 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2023-11-19 02:53:29,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 55 [2023-11-19 02:53:29,282 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-19 02:53:29,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 32 [2023-11-19 02:53:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:29,463 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Stream closed [2023-11-19 02:53:29,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 02:53:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 17 states and 16 transitions. [2023-11-19 02:53:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2023-11-19 02:53:31,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:53:31,231 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 02:53:31,239 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:53:31,328 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 02:53:31,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][22:0]) == #res && ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][22:0]) == ~fp.neg~32(~Pluszero~32())) && #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32]) could not be translated [2023-11-19 02:53:31,336 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-11-19 02:53:31,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_8 : bv32 :: ~fp~32(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0]) == ~fp.neg~32(~Pluszero~32()) && ~fp~32(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0]) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0])) could not be translated [2023-11-19 02:53:31,337 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-11-19 02:53:31,337 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20 : bv32 :: #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32] == ~i0~0 && ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated [2023-11-19 02:53:31,337 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:53:31,340 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-11-19 02:53:31,341 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-19 02:53:31,342 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-19 02:53:31,348 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20 : bv32 :: (~x == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][22:0]) && ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][22:0]) == ~fp.neg~32(~Pluszero~32())) && #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32]) could not be translated [2023-11-19 02:53:31,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:53:31 ImpRootNode [2023-11-19 02:53:31,352 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:53:31,353 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:53:31,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:53:31,354 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:53:31,355 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:23" (3/4) ... [2023-11-19 02:53:31,356 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:53:31,368 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 02:53:31,369 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 02:53:31,369 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:53:31,370 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:53:31,500 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:53:31,501 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:53:31,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:53:31,502 INFO L158 Benchmark]: Toolchain (without parser) took 10030.98ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 74.8MB in the beginning and 57.5MB in the end (delta: 17.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:31,502 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:31,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.18ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 63.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:53:31,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.81ms. Allocated memory is still 98.6MB. Free memory was 62.8MB in the beginning and 61.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:31,504 INFO L158 Benchmark]: Boogie Preprocessor took 74.22ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:31,504 INFO L158 Benchmark]: RCFGBuilder took 1023.11ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 66.0MB in the end (delta: -6.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:53:31,505 INFO L158 Benchmark]: CodeCheck took 8322.42ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.0MB in the beginning and 62.7MB in the end (delta: 3.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-19 02:53:31,505 INFO L158 Benchmark]: Witness Printer took 148.14ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 57.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:53:31,508 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: 8.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 320 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 351 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 126 mSDtfsCounter, 351 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 607 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 18 QuantifiedInterpolants, 859 SizeOfPredicates, 40 NumberOfNonLiveVariables, 322 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 83]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.18ms. Allocated memory is still 98.6MB. Free memory was 74.7MB in the beginning and 63.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.81ms. Allocated memory is still 98.6MB. Free memory was 62.8MB in the beginning and 61.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.22ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1023.11ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 66.0MB in the end (delta: -6.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8322.42ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.0MB in the beginning and 62.7MB in the end (delta: 3.3MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Witness Printer took 148.14ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 57.5MB in the end (delta: 5.2MB). 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_ceil_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20 : bv32 :: (~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][22:0]) == #res && ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][22:0]) == ~fp.neg~32(~Pluszero~32())) && #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_arrayElimCell_8 : bv32 :: ~fp~32(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0]) == ~fp.neg~32(~Pluszero~32()) && ~fp~32(v_arrayElimCell_8[31:31], v_arrayElimCell_8[30:23], v_arrayElimCell_8[22:0]) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20 : bv32 :: #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32] == ~i0~0 && ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][22:0]) == ~fp.neg~32(~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14 : bv32, v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20 : bv32 :: (~x == ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32][22:0]) && ~fp~32(#memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][31:31], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][30:23], #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32][22:0]) == ~fp.neg~32(~Pluszero~32())) && #memory_int[v_ULTIMATE.start_ceil_float_~#sf_u~0#1.base_14][0bv32] == #memory_int[v_ULTIMATE.start_ceil_float_~#gf_u~0#1.base_20][0bv32]) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 02:53:31,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5402e637-a57c-4053-978e-1fd965999207/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE