./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/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_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/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_72ab3919-4d2b-41b3-8afa-4c05d37825af/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 fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:09:50,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:09:50,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:09:50,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:09:50,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:09:50,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:09:50,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:09:50,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:09:50,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:09:50,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:09:50,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:09:50,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:09:50,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:09:50,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:09:50,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:09:50,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:09:50,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:09:50,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:09:50,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:09:50,249 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:09:50,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:09:50,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:09:50,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:09:50,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:09:50,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:09:50,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:09:50,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:09:50,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:50,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:09:50,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:09:50,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:09:50,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:09:50,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:09:50,258 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_72ab3919-4d2b-41b3-8afa-4c05d37825af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 [2024-11-08 23:09:50,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:09:50,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:09:50,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:09:50,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:09:50,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:09:50,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i Unable to find full path for "g++" [2024-11-08 23:09:52,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:09:52,821 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:09:52,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2024-11-08 23:09:52,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data/cc0c29a3d/a9a5c1e7206342c0bd5f84b6d03f74de/FLAGf51a165df [2024-11-08 23:09:52,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data/cc0c29a3d/a9a5c1e7206342c0bd5f84b6d03f74de [2024-11-08 23:09:52,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:09:52,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:09:52,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:52,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:09:52,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:09:52,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:52" (1/1) ... [2024-11-08 23:09:52,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4fd88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:52, skipping insertion in model container [2024-11-08 23:09:52,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:52" (1/1) ... [2024-11-08 23:09:52,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:09:53,118 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_72ab3919-4d2b-41b3-8afa-4c05d37825af/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-11-08 23:09:53,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:53,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:09:53,156 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_72ab3919-4d2b-41b3-8afa-4c05d37825af/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-11-08 23:09:53,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:53,178 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:09:53,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53 WrapperNode [2024-11-08 23:09:53,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:53,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:53,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:09:53,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:09:53,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,211 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-08 23:09:53,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:53,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:09:53,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:09:53,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:09:53,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:09:53,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:09:53,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:09:53,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:09:53,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:53,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:09:53,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:09:53,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:09:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:09:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:09:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:09:53,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:09:53,372 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:09:53,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:09:53,466 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:09:53,466 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:09:53,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:09:53,489 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:09:53,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:53 BoogieIcfgContainer [2024-11-08 23:09:53,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:09:53,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:09:53,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:09:53,501 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:09:53,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:53" (1/1) ... [2024-11-08 23:09:53,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:09:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:09:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:09:53,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:09:53,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:53,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:53,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:09:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:53,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:09:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:09:53,775 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:09:53,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:09:53 ImpRootNode [2024-11-08 23:09:53,809 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:09:53,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:09:53,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:09:53,810 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:09:53,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:53" (3/4) ... [2024-11-08 23:09:53,817 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:09:53,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:09:53,819 INFO L158 Benchmark]: Toolchain (without parser) took 962.29ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 77.7MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 23:09:53,821 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:53,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.73ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 101.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:09:53,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.37ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 99.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:09:53,824 INFO L158 Benchmark]: Boogie Preprocessor took 24.82ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 98.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:53,825 INFO L158 Benchmark]: RCFGBuilder took 251.50ms. Allocated memory is still 146.8MB. Free memory was 98.6MB in the beginning and 89.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:09:53,826 INFO L158 Benchmark]: CodeCheck took 318.82ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 78.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:09:53,827 INFO L158 Benchmark]: Witness Printer took 8.04ms. Allocated memory is still 146.8MB. Free memory was 78.1MB in the beginning and 77.7MB in the end (delta: 402.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:09:53,831 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, 9 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, 5 NumberOfCodeBlocks, 5 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: 13]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L20] float x = 1.0f; [L21] float x1 = x/2.5f; [L23] COND TRUE x1 != x [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.73ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 101.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.37ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 99.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.82ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 98.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 251.50ms. Allocated memory is still 146.8MB. Free memory was 98.6MB in the beginning and 89.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 318.82ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 78.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 8.04ms. Allocated memory is still 146.8MB. Free memory was 78.1MB in the beginning and 77.7MB in the end (delta: 402.9kB). 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 23:09:53,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/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_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/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_72ab3919-4d2b-41b3-8afa-4c05d37825af/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 fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:09:56,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:09:56,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:09:56,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:09:56,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:09:56,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:09:56,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:09:56,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:09:56,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:09:56,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:09:56,319 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:09:56,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:09:56,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:09:56,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:09:56,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:09:56,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:09:56,323 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:09:56,323 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:09:56,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:09:56,324 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:09:56,327 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:09:56,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:09:56,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:09:56,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:09:56,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:09:56,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:09:56,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:56,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:09:56,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:09:56,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:56,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:09:56,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:09:56,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:09:56,333 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:09:56,333 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:56,334 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:09:56,334 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_72ab3919-4d2b-41b3-8afa-4c05d37825af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4b2ac8b2a0e269dd16c91161494638306526c517de7ea644739142e1210da9 [2024-11-08 23:09:56,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:09:56,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:09:56,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:09:56,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:09:56,743 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:09:56,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-esbmc-regression/Float_div.i Unable to find full path for "g++" [2024-11-08 23:09:58,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:09:59,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:09:59,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2024-11-08 23:09:59,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data/096699990/0301bdc90dd44e2dbd2e33e585daa1d7/FLAGad10b0952 [2024-11-08 23:09:59,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/data/096699990/0301bdc90dd44e2dbd2e33e585daa1d7 [2024-11-08 23:09:59,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:09:59,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:09:59,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:59,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:09:59,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:09:59,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3432f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59, skipping insertion in model container [2024-11-08 23:09:59,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:09:59,704 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_72ab3919-4d2b-41b3-8afa-4c05d37825af/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-11-08 23:09:59,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:59,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:09:59,757 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_72ab3919-4d2b-41b3-8afa-4c05d37825af/sv-benchmarks/c/floats-esbmc-regression/Float_div.i[803,816] [2024-11-08 23:09:59,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:59,784 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:09:59,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59 WrapperNode [2024-11-08 23:09:59,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:59,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:59,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:09:59,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:09:59,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,819 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-08 23:09:59,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:59,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:09:59,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:09:59,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:09:59,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:09:59,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:09:59,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:09:59,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:09:59,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:59" (1/1) ... [2024-11-08 23:09:59,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:59,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:09:59,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:09:59,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:09:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:09:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:09:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:09:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:10:00,023 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:10:00,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:10:00,283 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:10:00,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:10:00,312 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:10:00,313 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:10:00,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:10:00 BoogieIcfgContainer [2024-11-08 23:10:00,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:10:00,314 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:10:00,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:10:00,325 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:10:00,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:10:00" (1/1) ... [2024-11-08 23:10:00,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:10:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:10:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:10:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:10:00,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:00,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:00,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:00,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:00,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:10:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:00,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:00,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:10:00,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:01,277 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 23:10:01,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:10:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:02,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-08 23:10:02,383 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-08 23:10:02,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:10:02,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:02,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:02,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:02,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:02,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:10:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:02,463 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:02,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:10:02,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:02,696 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 23:10:02,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:10:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-11-08 23:10:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-11-08 23:10:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:10:03,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:03,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:03,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:03,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:03,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:10:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:03,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:04,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:10:04,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:07,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:10:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 23:10:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 23:10:31,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:10:31,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:31,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:31,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:31,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:31,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:10:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:31,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:10:41,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:10:41,958 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 23:10:41,963 INFO L158 Benchmark]: Toolchain (without parser) took 42499.30ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 54.9MB in the end (delta: 4.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-08 23:10:41,964 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:10:41,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.69ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 46.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:10:41,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.27ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:10:41,968 INFO L158 Benchmark]: Boogie Preprocessor took 37.34ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 44.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:10:41,970 INFO L158 Benchmark]: RCFGBuilder took 455.41ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 53.9MB in the end (delta: -9.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-08 23:10:41,971 INFO L158 Benchmark]: CodeCheck took 41646.91ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 54.9MB in the end (delta: -1.3MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-11-08 23:10:41,976 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 0.56ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.69ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 46.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.27ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.34ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 44.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.41ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 53.9MB in the end (delta: -9.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * CodeCheck took 41646.91ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 54.9MB in the end (delta: -1.3MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:10:42,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72ab3919-4d2b-41b3-8afa-4c05d37825af/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