./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/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_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/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_2b3c63ff-8632-4be2-938b-f99935c1485e/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 da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:32:30,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:32:30,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:32:30,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:32:30,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:32:30,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:32:30,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:32:30,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:32:30,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:32:30,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:32:30,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:32:30,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:32:30,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:32:30,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:32:30,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:32:30,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:32:30,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:32:30,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:32:30,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:32:30,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:32:30,554 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:32:30,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:32:30,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:32:30,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:32:30,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:32:30,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:32:30,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:32:30,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:32:30,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:32:30,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:32:30,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:32:30,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:32:30,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:32:30,561 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_2b3c63ff-8632-4be2-938b-f99935c1485e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2024-11-08 23:32:30,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:32:30,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:32:30,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:32:30,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:32:30,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:32:30,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/float_double.c Unable to find full path for "g++" [2024-11-08 23:32:32,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:32:33,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:32:33,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/sv-benchmarks/c/float-benchs/float_double.c [2024-11-08 23:32:33,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data/5548081ae/6af852d6220d45aa987936692adb7cd7/FLAG0e6fb1973 [2024-11-08 23:32:33,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data/5548081ae/6af852d6220d45aa987936692adb7cd7 [2024-11-08 23:32:33,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:32:33,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:32:33,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:32:33,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:32:33,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:32:33,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:33,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3fd5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33, skipping insertion in model container [2024-11-08 23:32:33,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:33,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:32:33,866 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_2b3c63ff-8632-4be2-938b-f99935c1485e/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-11-08 23:32:33,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:32:33,898 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:32:33,915 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_2b3c63ff-8632-4be2-938b-f99935c1485e/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-11-08 23:32:33,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:32:33,945 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:32:33,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33 WrapperNode [2024-11-08 23:32:33,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:32:33,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:32:33,947 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:32:33,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:32:33,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:33,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:33,990 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20 [2024-11-08 23:32:33,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:32:33,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:32:33,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:32:33,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:32:34,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:32:34,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:32:34,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:32:34,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:32:34,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:33" (1/1) ... [2024-11-08 23:32:34,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:32:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:32:34,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:32:34,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:32:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:32:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:32:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:32:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:32:34,213 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:32:34,216 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:32:34,376 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:32:34,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:32:34,424 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:32:34,424 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:32:34,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:34 BoogieIcfgContainer [2024-11-08 23:32:34,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:32:34,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:32:34,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:32:34,442 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:32:34,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:34" (1/1) ... [2024-11-08 23:32:34,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:32:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:32:34,545 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:32:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:32:34,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:34,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:32:34,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:32:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:32:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:32:34,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:32:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:32:34,800 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:32:34,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:32:34 ImpRootNode [2024-11-08 23:32:34,837 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:32:34,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:32:34,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:32:34,841 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:32:34,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:34" (3/4) ... [2024-11-08 23:32:34,846 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:32:34,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:32:34,849 INFO L158 Benchmark]: Toolchain (without parser) took 1267.46ms. Allocated memory is still 174.1MB. Free memory was 144.1MB in the beginning and 108.2MB in the end (delta: 35.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 23:32:34,851 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:32:34,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.31ms. Allocated memory is still 174.1MB. Free memory was 143.7MB in the beginning and 131.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:32:34,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.88ms. Allocated memory is still 174.1MB. Free memory was 131.9MB in the beginning and 130.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:34,856 INFO L158 Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 129.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:32:34,857 INFO L158 Benchmark]: RCFGBuilder took 404.49ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 119.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:32:34,859 INFO L158 Benchmark]: CodeCheck took 409.99ms. Allocated memory is still 174.1MB. Free memory was 119.3MB in the beginning and 108.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:32:34,861 INFO L158 Benchmark]: Witness Printer took 9.93ms. Allocated memory is still 174.1MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:32:34,866 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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: 6]: 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, overapproximation of someBinaryArithmeticDOUBLEoperation at line 10. Possible FailurePath: [L10] double x = 1e20 + 1.; [L11] float y = x; [L12] CALL __VERIFIER_assert(x != y) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.31ms. Allocated memory is still 174.1MB. Free memory was 143.7MB in the beginning and 131.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.88ms. Allocated memory is still 174.1MB. Free memory was 131.9MB in the beginning and 130.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.88ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 129.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.49ms. Allocated memory is still 174.1MB. Free memory was 129.2MB in the beginning and 119.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 409.99ms. Allocated memory is still 174.1MB. Free memory was 119.3MB in the beginning and 108.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 9.93ms. Allocated memory is still 174.1MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:32:34,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/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_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/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_2b3c63ff-8632-4be2-938b-f99935c1485e/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 da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:32:37,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:32:38,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:32:38,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:32:38,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:32:38,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:32:38,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:32:38,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:32:38,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:32:38,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:32:38,165 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:32:38,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:32:38,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:32:38,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:32:38,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:32:38,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:32:38,171 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:32:38,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:32:38,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:32:38,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:32:38,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:32:38,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:32:38,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:32:38,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:32:38,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:32:38,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:32:38,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:32:38,181 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:32:38,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:32:38,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:32:38,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:32:38,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:32:38,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:32:38,184 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:32:38,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:32:38,184 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:32:38,186 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_2b3c63ff-8632-4be2-938b-f99935c1485e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da879977a62fc491d3b25f9b819eca05b8eceba445d85a8f3259b3973b759af7 [2024-11-08 23:32:38,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:32:38,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:32:38,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:32:38,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:32:38,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:32:38,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/float_double.c Unable to find full path for "g++" [2024-11-08 23:32:41,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:32:41,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:32:41,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/sv-benchmarks/c/float-benchs/float_double.c [2024-11-08 23:32:41,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data/54c8e680a/de6ad268dbbb4c44bd67e29998dca211/FLAGff76605fe [2024-11-08 23:32:41,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/data/54c8e680a/de6ad268dbbb4c44bd67e29998dca211 [2024-11-08 23:32:41,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:32:41,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:32:41,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:32:41,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:32:41,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:32:41,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc8e76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41, skipping insertion in model container [2024-11-08 23:32:41,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:32:41,682 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_2b3c63ff-8632-4be2-938b-f99935c1485e/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-11-08 23:32:41,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:32:41,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:32:41,743 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_2b3c63ff-8632-4be2-938b-f99935c1485e/sv-benchmarks/c/float-benchs/float_double.c[357,370] [2024-11-08 23:32:41,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:32:41,775 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:32:41,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41 WrapperNode [2024-11-08 23:32:41,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:32:41,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:32:41,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:32:41,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:32:41,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,823 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-08 23:32:41,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:32:41,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:32:41,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:32:41,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:32:41,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:32:41,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:32:41,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:32:41,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:32:41,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:41" (1/1) ... [2024-11-08 23:32:41,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:32:41,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:32:41,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:32:41,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:32:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:32:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:32:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:32:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:32:42,084 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:32:42,087 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:32:42,395 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:32:42,395 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:32:42,459 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:32:42,460 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:32:42,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:42 BoogieIcfgContainer [2024-11-08 23:32:42,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:32:42,466 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:32:42,466 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:32:42,478 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:32:42,478 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:42" (1/1) ... [2024-11-08 23:32:42,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:32:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:32:42,570 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:32:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:32:42,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:42,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:32:42,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:32:42,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:32:42,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:32:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:42,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:32:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:42,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:32:42,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:32:43,081 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:32:43,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:32:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-08 23:32:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-08 23:32:43,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:32:43,244 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 23:32:43,255 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:32:43,274 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:32:43,274 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-11-08 23:32:43,275 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:32:43,275 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-08 23:32:43,276 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-11-08 23:32:43,276 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-11-08 23:32:43,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:32:43 ImpRootNode [2024-11-08 23:32:43,288 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:32:43,289 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:32:43,289 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:32:43,289 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:32:43,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:42" (3/4) ... [2024-11-08 23:32:43,294 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:32:43,303 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 23:32:43,304 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 23:32:43,304 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:32:43,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:32:43,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:32:43,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:32:43,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:32:43,415 INFO L158 Benchmark]: Toolchain (without parser) took 2070.16ms. Allocated memory is still 81.8MB. Free memory was 60.9MB in the beginning and 58.8MB in the end (delta: 2.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,415 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 65.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.66ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 48.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.81ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,417 INFO L158 Benchmark]: Boogie Preprocessor took 48.47ms. Allocated memory is still 81.8MB. Free memory was 46.9MB in the beginning and 45.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:32:43,418 INFO L158 Benchmark]: RCFGBuilder took 590.25ms. Allocated memory is still 81.8MB. Free memory was 45.5MB in the beginning and 54.9MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,423 INFO L158 Benchmark]: CodeCheck took 822.43ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 40.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,423 INFO L158 Benchmark]: Witness Printer took 122.78ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 58.8MB in the end (delta: -17.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-08 23:32:43,426 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 3 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 - PositiveResult [Line: 6]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 65.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.66ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 48.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.81ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.47ms. Allocated memory is still 81.8MB. Free memory was 46.9MB in the beginning and 45.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 590.25ms. Allocated memory is still 81.8MB. Free memory was 45.5MB in the beginning and 54.9MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 822.43ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 40.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 122.78ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 58.8MB in the end (delta: -17.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:32:43,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b3c63ff-8632-4be2-938b-f99935c1485e/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