./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_poly.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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:06,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:06,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:59:06,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:59:06,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:59:06,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:06,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:59:06,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:59:06,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:06,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:06,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:06,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:59:06,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:59:06,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:59:06,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:59:06,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:06,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:59:06,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:06,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:59:06,754 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:06,754 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:59:06,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:59:06,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:06,759 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:06,759 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:06,759 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:06,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:06,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:06,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:06,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:06,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:59:06,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:59:06,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:59:06,764 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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 [2024-11-08 22:59:07,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:07,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:07,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:07,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:07,067 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:07,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_poly.c Unable to find full path for "g++" [2024-11-08 22:59:09,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:09,327 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:09,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/sv-benchmarks/c/float-benchs/sqrt_poly.c [2024-11-08 22:59:09,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data/b4b437081/832d60fce2c14d0da0fe89ef93e3b785/FLAGfe0a6aad7 [2024-11-08 22:59:09,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data/b4b437081/832d60fce2c14d0da0fe89ef93e3b785 [2024-11-08 22:59:09,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:09,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:09,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:09,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:09,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:09,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e7225c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09, skipping insertion in model container [2024-11-08 22:59:09,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:09,562 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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-11-08 22:59:09,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:09,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:09,596 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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-11-08 22:59:09,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:09,617 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:09,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09 WrapperNode [2024-11-08 22:59:09,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:09,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:09,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:09,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:09,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,653 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-08 22:59:09,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:09,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:09,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:09,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:09,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:09,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:09,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:09,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:09,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:09,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:09,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:59:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:59:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:09,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:09,809 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:09,908 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:09,908 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:09,967 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:09,967 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:59:09,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:09 BoogieIcfgContainer [2024-11-08 22:59:09,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:09,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:09,969 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:09,980 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:09,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:09" (1/1) ... [2024-11-08 22:59:09,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:59:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:59:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:59:10,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:10,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:10,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:10,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:59:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:59:10,301 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:59:10,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:59:10 ImpRootNode [2024-11-08 22:59:10,346 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:59:10,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:59:10,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:59:10,349 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:59:10,350 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:09" (3/4) ... [2024-11-08 22:59:10,354 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:59:10,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:59:10,357 INFO L158 Benchmark]: Toolchain (without parser) took 1003.36ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 47.1MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:59:10,358 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:10,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.72ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 73.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:10,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.34ms. Allocated memory is still 121.6MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:10,359 INFO L158 Benchmark]: Boogie Preprocessor took 20.95ms. Allocated memory is still 121.6MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:10,361 INFO L158 Benchmark]: RCFGBuilder took 292.30ms. Allocated memory is still 121.6MB. Free memory was 70.2MB in the beginning and 59.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:10,363 INFO L158 Benchmark]: CodeCheck took 377.61ms. Allocated memory is still 121.6MB. Free memory was 58.9MB in the beginning and 47.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:10,364 INFO L158 Benchmark]: Witness Printer took 7.20ms. Allocated memory is still 121.6MB. Free memory was 47.5MB in the beginning and 47.1MB in the end (delta: 415.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:10,368 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: 16]: 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 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 27. Possible FailurePath: [L18] double sqrt2 = 1.414213538169860839843750; [L22] double S, I; [L24] I = __VERIFIER_nondet_double() [L25] CALL assume_abort_if_not(I >= 1. && I <= 3.) [L14] COND FALSE !(!cond) [L25] RET assume_abort_if_not(I >= 1. && I <= 3.) [L27] COND FALSE !(I >= 2.) [L28] S = 1.+(I-1.) * (.5+(I-1.) * (-.125+(I-1.)*.0625)) [L30] CALL __VERIFIER_assert(S >= 1. && S <= 2.) [L16] COND TRUE !(cond) VAL [sqrt2=11863283/8388608] [L16] reach_error() VAL [sqrt2=11863283/8388608] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.72ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 73.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.34ms. Allocated memory is still 121.6MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.95ms. Allocated memory is still 121.6MB. Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.30ms. Allocated memory is still 121.6MB. Free memory was 70.2MB in the beginning and 59.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 377.61ms. Allocated memory is still 121.6MB. Free memory was 58.9MB in the beginning and 47.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.20ms. Allocated memory is still 121.6MB. Free memory was 47.5MB in the beginning and 47.1MB in the end (delta: 415.6kB). 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 22:59:10,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_poly.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:59:12,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:59:12,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:59:12,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:59:12,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:59:12,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:59:12,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:59:12,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:59:12,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:59:12,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:59:12,949 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:59:12,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:59:12,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:59:12,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:59:12,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:59:12,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:59:12,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:59:12,956 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:59:12,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:59:12,956 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:59:12,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:59:12,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:59:12,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:59:12,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:59:12,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:59:12,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:59:12,963 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:12,963 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:59:12,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:59:12,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:12,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:59:12,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:59:12,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:59:12,968 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:59:12,969 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:12,969 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:59:12,969 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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff417092ff6ab1dae16b3d719851bc30771c0c1117076f87d0e779624eadca8 [2024-11-08 22:59:13,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:59:13,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:59:13,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:59:13,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:59:13,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:59:13,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_poly.c Unable to find full path for "g++" [2024-11-08 22:59:15,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:59:15,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:59:15,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/sv-benchmarks/c/float-benchs/sqrt_poly.c [2024-11-08 22:59:15,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data/3eb89e4ff/0ed6807dab02417cbdffa12e6280765c/FLAG67b0e196f [2024-11-08 22:59:15,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/data/3eb89e4ff/0ed6807dab02417cbdffa12e6280765c [2024-11-08 22:59:15,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:59:15,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:59:15,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:15,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:59:15,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:59:15,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c217660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:15, skipping insertion in model container [2024-11-08 22:59:15,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:59:15" (1/1) ... [2024-11-08 22:59:15,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:59:16,014 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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-11-08 22:59:16,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:16,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:59:16,068 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_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/sv-benchmarks/c/float-benchs/sqrt_poly.c[671,684] [2024-11-08 22:59:16,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:59:16,113 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:59:16,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16 WrapperNode [2024-11-08 22:59:16,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:59:16,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:16,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:59:16,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:59:16,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,153 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-08 22:59:16,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:59:16,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:59:16,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:59:16,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:59:16,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:59:16,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:59:16,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:59:16,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:59:16,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:59:16" (1/1) ... [2024-11-08 22:59:16,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:59:16,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:59:16,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:59:16,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:59:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:59:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:59:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:59:16,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:59:16,368 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:59:16,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:59:36,814 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:59:36,814 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:59:36,892 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:59:36,892 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:59:36,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:36 BoogieIcfgContainer [2024-11-08 22:59:36,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:59:36,894 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:59:36,894 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:59:36,905 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:59:36,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:59:36" (1/1) ... [2024-11-08 22:59:36,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:59:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:59:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:59:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:59:36,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:36,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:36,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:36,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:36,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:59:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:41,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:59:51,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:59:51,582 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:59:51,586 INFO L158 Benchmark]: Toolchain (without parser) took 35866.46ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 44.5MB in the end (delta: 10.7MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-08 22:59:51,587 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:51,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.33ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 42.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:59:51,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.72ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:59:51,590 INFO L158 Benchmark]: Boogie Preprocessor took 38.66ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 39.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:59:51,592 INFO L158 Benchmark]: RCFGBuilder took 20698.31ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 52.3MB in the end (delta: -13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:59:51,593 INFO L158 Benchmark]: CodeCheck took 14690.43ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 44.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:59:51,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.33ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 42.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.72ms. Allocated memory is still 79.7MB. Free memory was 42.1MB in the beginning and 40.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.66ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 39.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 20698.31ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 52.3MB in the end (delta: -13.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 14690.43ms. Allocated memory is still 79.7MB. Free memory was 52.3MB in the beginning and 44.5MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:59:51,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c15fe13-d09d-4ab1-90c7-3fcc80e10efb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown