./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i --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_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/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_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/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_9f5de543-792f-4521-a468-41a0b91b6bca/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 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:05:44,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:05:44,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:05:44,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:05:44,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:05:44,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:05:44,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:05:44,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:05:44,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:05:44,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:05:44,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:05:44,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:05:44,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:05:44,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:05:44,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:05:44,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:05:44,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:05:44,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:05:44,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:05:44,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:05:44,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:05:44,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:05:44,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:05:44,270 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:05:44,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:05:44,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:05:44,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:05:44,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:44,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:05:44,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:05:44,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:05:44,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:05:44,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:05:44,273 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_9f5de543-792f-4521-a468-41a0b91b6bca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 [2024-11-08 23:05:44,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:05:44,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:05:44,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:05:44,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:05:44,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:05:44,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i Unable to find full path for "g++" [2024-11-08 23:05:46,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:05:46,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:05:46,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2024-11-08 23:05:46,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data/56396a320/fbb8809625f94896a55985bf190ef0ec/FLAG4fd1b1796 [2024-11-08 23:05:46,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data/56396a320/fbb8809625f94896a55985bf190ef0ec [2024-11-08 23:05:46,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:05:46,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:05:46,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:46,900 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:05:46,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:05:46,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340dbdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:46, skipping insertion in model container [2024-11-08 23:05:46,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:46" (1/1) ... [2024-11-08 23:05:46,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:05:47,151 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_9f5de543-792f-4521-a468-41a0b91b6bca/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-11-08 23:05:47,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:47,168 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:05:47,185 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_9f5de543-792f-4521-a468-41a0b91b6bca/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-11-08 23:05:47,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:47,204 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:05:47,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47 WrapperNode [2024-11-08 23:05:47,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:47,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:47,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:05:47,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:05:47,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,238 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-08 23:05:47,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:47,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:05:47,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:05:47,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:05:47,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:05:47,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:05:47,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:05:47,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:05:47,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:47,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:05:47,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:05:47,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:05:47,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:05:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:05:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:05:47,340 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:05:47,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:05:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:05:47,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:05:47,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:05:47,403 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:05:47,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:05:47,531 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:05:47,531 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:05:47,577 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:05:47,577 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:05:47,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:47 BoogieIcfgContainer [2024-11-08 23:05:47,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:05:47,582 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:05:47,582 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:05:47,593 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:05:47,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:47" (1/1) ... [2024-11-08 23:05:47,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:05:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:05:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:05:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:05:47,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:47,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:47,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:05:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:47,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:05:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:05:47,876 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:05:47,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:05:47 ImpRootNode [2024-11-08 23:05:47,902 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:05:47,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:05:47,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:05:47,903 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:05:47,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:47" (3/4) ... [2024-11-08 23:05:47,906 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:05:47,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:05:47,909 INFO L158 Benchmark]: Toolchain (without parser) took 1010.48ms. Allocated memory is still 161.5MB. Free memory was 124.8MB in the beginning and 83.1MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 23:05:47,909 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:47,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.81ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 111.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:05:47,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.14ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 110.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:47,911 INFO L158 Benchmark]: Boogie Preprocessor took 32.93ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 109.5MB in the end (delta: 830.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:05:47,912 INFO L158 Benchmark]: RCFGBuilder took 307.98ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:05:47,912 INFO L158 Benchmark]: CodeCheck took 319.89ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 83.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:05:47,913 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 161.5MB. Free memory was 83.7MB in the beginning and 83.1MB in the end (delta: 633.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:47,916 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 3 procedures, 16 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, 17 NumberOfCodeBlocks, 17 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=3] [L44] CALL, EXPR fp(x) VAL [\old(x)=3] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=3] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.81ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 111.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.14ms. Allocated memory is still 161.5MB. Free memory was 111.6MB in the beginning and 110.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.93ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 109.5MB in the end (delta: 830.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.98ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 319.89ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 83.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 161.5MB. Free memory was 83.7MB in the beginning and 83.1MB in the end (delta: 633.2kB). 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 23:05:47,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/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_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/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_9f5de543-792f-4521-a468-41a0b91b6bca/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 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:05:50,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:05:50,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:05:50,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:05:50,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:05:50,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:05:50,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:05:50,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:05:50,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:05:50,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:05:50,479 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:05:50,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:05:50,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:05:50,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:05:50,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:05:50,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:05:50,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:05:50,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:05:50,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:05:50,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:05:50,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:05:50,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:05:50,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:05:50,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:05:50,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:05:50,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:05:50,490 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:50,491 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:05:50,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:05:50,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:50,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:05:50,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:05:50,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:05:50,493 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:05:50,494 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:50,494 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:05:50,494 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_9f5de543-792f-4521-a468-41a0b91b6bca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 [2024-11-08 23:05:50,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:05:50,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:05:50,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:05:50,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:05:50,970 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:05:50,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i Unable to find full path for "g++" [2024-11-08 23:05:53,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:05:53,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:05:53,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2024-11-08 23:05:53,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data/011524649/53c6ff8b9a464d2d80c696058433755f/FLAG8fd612094 [2024-11-08 23:05:53,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/data/011524649/53c6ff8b9a464d2d80c696058433755f [2024-11-08 23:05:53,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:05:53,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:05:53,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:53,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:05:53,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:05:53,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfe828b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53, skipping insertion in model container [2024-11-08 23:05:53,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:05:53,646 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_9f5de543-792f-4521-a468-41a0b91b6bca/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-11-08 23:05:53,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:53,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:05:53,707 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_9f5de543-792f-4521-a468-41a0b91b6bca/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-11-08 23:05:53,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:53,732 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:05:53,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53 WrapperNode [2024-11-08 23:05:53,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:53,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:53,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:05:53,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:05:53,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,776 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-08 23:05:53,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:53,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:05:53,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:05:53,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:05:53,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:05:53,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:05:53,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:05:53,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:05:53,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:53" (1/1) ... [2024-11-08 23:05:53,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:53,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:05:53,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:05:53,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:05:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:05:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:05:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:05:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:05:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:05:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:05:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:05:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:05:54,006 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:05:54,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:15,644 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:15,645 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:15,707 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:15,708 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:06:15,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:15 BoogieIcfgContainer [2024-11-08 23:06:15,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:15,709 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:15,709 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:15,720 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:15,721 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:15" (1/1) ... [2024-11-08 23:06:15,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:06:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:06:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:06:15,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:15,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:15,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:06:15,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:06:15,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f5de543-792f-4521-a468-41a0b91b6bca/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process