./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk --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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:51:05,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:51:05,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:51:05,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:51:05,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:51:05,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:51:05,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:51:05,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:51:05,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:51:05,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:51:05,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:51:05,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:51:05,370 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:51:05,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:51:05,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:51:05,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:51:05,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:51:05,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:51:05,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:51:05,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:51:05,374 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:51:05,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:51:05,380 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:51:05,380 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:51:05,380 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:51:05,380 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:51:05,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:51:05,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:05,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:51:05,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:51:05,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:51:05,383 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:51:05,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:51:05,383 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_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2024-11-09 00:51:05,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:51:05,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:51:05,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:51:05,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:51:05,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:51:05,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float2.c Unable to find full path for "g++" [2024-11-09 00:51:07,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:51:07,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:51:07,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-11-09 00:51:07,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data/9044b8f88/7b0ed68dac5c42599e685f353692afbb/FLAG391eebbde [2024-11-09 00:51:07,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data/9044b8f88/7b0ed68dac5c42599e685f353692afbb [2024-11-09 00:51:07,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:51:07,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:51:07,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:07,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:51:07,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:51:07,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:07" (1/1) ... [2024-11-09 00:51:07,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec92459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:07, skipping insertion in model container [2024-11-09 00:51:07,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:07" (1/1) ... [2024-11-09 00:51:07,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:51:08,218 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-09 00:51:08,222 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-09 00:51:08,224 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-09 00:51:08,225 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-09 00:51:08,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:08,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:51:08,254 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-09 00:51:08,255 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-09 00:51:08,256 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-09 00:51:08,258 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-09 00:51:08,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:08,275 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:51:08,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08 WrapperNode [2024-11-09 00:51:08,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:08,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:08,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:51:08,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:51:08,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,307 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-09 00:51:08,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:08,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:51:08,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:51:08,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:51:08,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:51:08,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:51:08,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:51:08,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:51:08,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:51:08,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:51:08,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:51:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:51:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:51:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:51:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:51:08,470 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:51:08,472 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:51:08,577 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 00:51:08,578 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:51:08,606 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:51:08,607 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:51:08,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:08 BoogieIcfgContainer [2024-11-09 00:51:08,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:51:08,609 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:51:08,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:51:08,619 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:51:08,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:08" (1/1) ... [2024-11-09 00:51:08,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:51:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:51:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:51:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:51:08,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:08,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:08,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:51:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:08,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:51:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:08,860 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:51:08,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:51:08 ImpRootNode [2024-11-09 00:51:08,892 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:51:08,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:51:08,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:51:08,894 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:51:08,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:08" (3/4) ... [2024-11-09 00:51:08,897 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:51:08,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:51:08,899 INFO L158 Benchmark]: Toolchain (without parser) took 962.43ms. Allocated memory is still 159.4MB. Free memory was 118.0MB in the beginning and 81.9MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:51:08,900 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:08,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.33ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 105.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:51:08,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.25ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 103.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:51:08,903 INFO L158 Benchmark]: Boogie Preprocessor took 24.06ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 102.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:08,904 INFO L158 Benchmark]: RCFGBuilder took 274.54ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 92.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:51:08,906 INFO L158 Benchmark]: CodeCheck took 283.97ms. Allocated memory is still 159.4MB. Free memory was 92.9MB in the beginning and 82.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:51:08,906 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 159.4MB. Free memory was 82.4MB in the beginning and 81.9MB in the end (delta: 508.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:08,910 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 12]: 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 someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L7] float a; [L8] double b; [L11] a=1.25L [L12] COND TRUE !(a==1.25) [L12] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.33ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 105.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.25ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 103.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.06ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 102.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.54ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 92.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 283.97ms. Allocated memory is still 159.4MB. Free memory was 92.9MB in the beginning and 82.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 159.4MB. Free memory was 82.4MB in the beginning and 81.9MB in the end (delta: 508.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:51:08,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk --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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:51:11,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:51:11,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:51:11,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:51:11,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:51:11,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:51:11,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:51:11,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:51:11,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:51:11,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:51:11,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:51:11,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:51:11,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:51:11,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:51:11,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:51:11,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:51:11,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:51:11,399 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:51:11,399 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:51:11,399 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:51:11,400 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:51:11,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:51:11,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:51:11,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:51:11,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:51:11,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:51:11,405 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:11,406 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:51:11,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:51:11,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:11,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:51:11,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:51:11,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:51:11,407 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:51:11,408 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:11,408 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:51:11,408 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_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2024-11-09 00:51:11,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:51:11,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:51:11,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:51:11,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:51:11,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:51:11,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float2.c Unable to find full path for "g++" [2024-11-09 00:51:13,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:51:14,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:51:14,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-11-09 00:51:14,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data/a0f1e2075/1d6b140663904d439ed887a49b3a29ac/FLAGe29764045 [2024-11-09 00:51:14,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/data/a0f1e2075/1d6b140663904d439ed887a49b3a29ac [2024-11-09 00:51:14,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:51:14,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:51:14,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:14,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:51:14,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:51:14,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4007d336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14, skipping insertion in model container [2024-11-09 00:51:14,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:51:14,781 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-09 00:51:14,785 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-09 00:51:14,786 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-09 00:51:14,787 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-09 00:51:14,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:14,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:51:14,819 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-11-09 00:51:14,822 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-11-09 00:51:14,824 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-11-09 00:51:14,825 WARN L250 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_0dfd5d53-550c-439a-957c-a687993b1c5e/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-11-09 00:51:14,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:14,849 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:51:14,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14 WrapperNode [2024-11-09 00:51:14,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:14,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:14,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:51:14,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:51:14,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,884 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-09 00:51:14,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:14,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:51:14,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:51:14,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:51:14,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:51:14,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:51:14,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:51:14,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:51:14,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:14" (1/1) ... [2024-11-09 00:51:14,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:14,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:51:14,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:51:14,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:51:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:51:14,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:51:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:51:15,059 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:51:15,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:51:15,391 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:51:15,392 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:51:15,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:51:15,470 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:51:15,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:15 BoogieIcfgContainer [2024-11-09 00:51:15,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:51:15,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:51:15,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:51:15,482 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:51:15,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:15" (1/1) ... [2024-11-09 00:51:15,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:51:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:15,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:51:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:51:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:51:15,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:15,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:15,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:51:15,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:51:15,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:51:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:15,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:51:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:15,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:51:15,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:15,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:51:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:15,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:51:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:51:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:51:15,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:15,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:15,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:51:15,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:51:15,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:51:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:15,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:51:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:15,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:51:15,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:16,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:51:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:51:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:51:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:51:16,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:16,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:16,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:51:16,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:51:16,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:51:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:16,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:51:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:16,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:51:16,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:16,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:51:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:51:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:51:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:51:16,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:16,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:51:16,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:51:16,269 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:51:16,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:51:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:16,358 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:51:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:16,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:51:16,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:16,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:51:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-09 00:51:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-09 00:51:16,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:51:16,511 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-09 00:51:16,519 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-09 00:51:16,555 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:51:16,556 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-11-09 00:51:16,556 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 20.0)) |ULTIMATE.start_main_~a~0#1|) [2024-11-09 00:51:16,557 INFO L75 FloydHoareUtils]: For program point L23-1(line 23) no Hoare annotation was computed. [2024-11-09 00:51:16,557 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2024-11-09 00:51:16,557 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 50.0)) |ULTIMATE.start_main_~a~0#1|) [2024-11-09 00:51:16,557 INFO L75 FloydHoareUtils]: For program point L19-1(line 19) no Hoare annotation was computed. [2024-11-09 00:51:16,557 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-09 00:51:16,558 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (= ((_ to_fp 11 53) currentRoundingMode (/ 5.0 4.0)) |ULTIMATE.start_main_~b~0#1|) [2024-11-09 00:51:16,558 INFO L75 FloydHoareUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2024-11-09 00:51:16,558 INFO L77 FloydHoareUtils]: At program point L15-3(line 15) the Hoare annotation is: true [2024-11-09 00:51:16,558 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:51:16,558 INFO L77 FloydHoareUtils]: At program point L5(lines 5 24) the Hoare annotation is: true [2024-11-09 00:51:16,559 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-11-09 00:51:16,559 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-09 00:51:16,559 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (and (= |ULTIMATE.start_main_~a~0#1| ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 15 113) currentRoundingMode (/ 5.0 4.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-09 00:51:16,559 INFO L75 FloydHoareUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2024-11-09 00:51:16,560 INFO L77 FloydHoareUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2024-11-09 00:51:16,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:51:16 ImpRootNode [2024-11-09 00:51:16,564 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:51:16,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:51:16,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:51:16,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:51:16,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:15" (3/4) ... [2024-11-09 00:51:16,568 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:51:16,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 00:51:16,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:51:16,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:51:16,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:51:16,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:51:16,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:51:16,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:51:16,672 INFO L158 Benchmark]: Toolchain (without parser) took 2099.32ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 71.2MB in the beginning and 109.6MB in the end (delta: -38.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-09 00:51:16,672 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 94.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:16,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.71ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 58.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:51:16,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 56.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:51:16,674 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 55.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:51:16,675 INFO L158 Benchmark]: RCFGBuilder took 558.33ms. Allocated memory is still 94.4MB. Free memory was 55.3MB in the beginning and 72.0MB in the end (delta: -16.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:51:16,675 INFO L158 Benchmark]: CodeCheck took 1092.95ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 45.5MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:51:16,676 INFO L158 Benchmark]: Witness Printer took 106.16ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 45.5MB in the beginning and 109.6MB in the end (delta: -64.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-09 00:51:16,679 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 16 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 4 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 9 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: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 23]: 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 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 94.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.71ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 58.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 56.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 55.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.33ms. Allocated memory is still 94.4MB. Free memory was 55.3MB in the beginning and 72.0MB in the end (delta: -16.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1092.95ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 45.5MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 106.16ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 45.5MB in the beginning and 109.6MB in the end (delta: -64.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:51:16,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dfd5d53-550c-439a-957c-a687993b1c5e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE