./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_2.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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:09:29,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:09:29,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:09:29,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:09:29,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:09:29,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:09:29,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:09:29,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:09:29,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:09:29,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:09:29,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:09:29,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:09:29,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:09:29,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:09:29,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:09:29,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:09:29,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:09:29,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:09:29,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:09:29,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:09:29,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:09:29,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:09:29,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:09:29,327 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:09:29,328 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:09:29,328 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:09:29,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:09:29,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:29,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:09:29,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:09:29,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:09:29,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:09:29,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:09:29,331 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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 [2024-11-08 22:09:29,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:09:29,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:09:29,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:09:29,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:09:29,607 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:09:29,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/square_2.i Unable to find full path for "g++" [2024-11-08 22:09:31,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:09:31,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:09:31,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/sv-benchmarks/c/floats-cdfpl/square_2.i [2024-11-08 22:09:31,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data/22f68de39/4f5c9a081b5e4bf68b2a9da62608d540/FLAGd89b831cf [2024-11-08 22:09:32,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data/22f68de39/4f5c9a081b5e4bf68b2a9da62608d540 [2024-11-08 22:09:32,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:09:32,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:09:32,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:32,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:09:32,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:09:32,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed436c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32, skipping insertion in model container [2024-11-08 22:09:32,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:09:32,383 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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-08 22:09:32,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:32,398 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:09:32,415 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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-08 22:09:32,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:32,434 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:09:32,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32 WrapperNode [2024-11-08 22:09:32,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:32,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:32,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:09:32,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:09:32,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,466 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-08 22:09:32,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:32,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:09:32,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:09:32,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:09:32,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:09:32,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:09:32,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:09:32,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:09:32,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:32,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:09:32,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:09:32,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:09:32,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:09:32,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:09:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:09:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:09:32,619 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:09:32,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:09:32,723 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:09:32,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:09:32,778 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:09:32,779 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:09:32,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:32 BoogieIcfgContainer [2024-11-08 22:09:32,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:09:32,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:09:32,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:09:32,793 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:09:32,793 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:09:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:09:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:09:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:09:32,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:32,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:32,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:09:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:33,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:09:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:33,030 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:09:33,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:09:33 ImpRootNode [2024-11-08 22:09:33,051 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:09:33,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:09:33,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:09:33,053 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:09:33,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:32" (3/4) ... [2024-11-08 22:09:33,057 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:09:33,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:09:33,059 INFO L158 Benchmark]: Toolchain (without parser) took 911.51ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 67.0MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 22:09:33,060 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:33,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.99ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 91.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:09:33,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.78ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:33,063 INFO L158 Benchmark]: Boogie Preprocessor took 19.59ms. Allocated memory is still 136.3MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:09:33,064 INFO L158 Benchmark]: RCFGBuilder took 292.61ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 78.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:09:33,065 INFO L158 Benchmark]: CodeCheck took 267.24ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 67.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:09:33,066 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 136.3MB. Free memory was 67.4MB in the beginning and 67.0MB in the end (delta: 367.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:33,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 38]: 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 37, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L37] COND TRUE !(result >= 0.0f && result < 1.398f) [L38] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.99ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 91.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.78ms. Allocated memory is still 136.3MB. Free memory was 91.2MB in the beginning and 89.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.59ms. Allocated memory is still 136.3MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.61ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 78.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 267.24ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 67.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 136.3MB. Free memory was 67.4MB in the beginning and 67.0MB in the end (delta: 367.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:09:33,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:09:35,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:09:35,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:09:35,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:09:35,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:09:35,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:09:35,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:09:35,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:09:35,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:09:35,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:09:35,703 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:09:35,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:09:35,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:09:35,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:09:35,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:09:35,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:09:35,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:09:35,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:09:35,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:09:35,708 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:09:35,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:09:35,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:09:35,709 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:09:35,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:09:35,713 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:09:35,713 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:09:35,713 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:35,714 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:09:35,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:09:35,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:35,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:09:35,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:09:35,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:09:35,715 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:09:35,715 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:35,716 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:09:35,717 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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6cb7e7408af12d21fe6db26ed13525a6aeea3116434a553f8758caff4c6db4 [2024-11-08 22:09:36,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:09:36,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:09:36,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:09:36,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:09:36,159 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:09:36,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/square_2.i Unable to find full path for "g++" [2024-11-08 22:09:38,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:09:38,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:09:38,475 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/sv-benchmarks/c/floats-cdfpl/square_2.i [2024-11-08 22:09:38,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data/710f08303/5ff50a894c6c46b19a4c0691e84488bf/FLAG773435378 [2024-11-08 22:09:38,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/data/710f08303/5ff50a894c6c46b19a4c0691e84488bf [2024-11-08 22:09:38,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:09:38,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:09:38,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:38,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:09:38,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:09:38,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:38" (1/1) ... [2024-11-08 22:09:38,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be0f577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:38, skipping insertion in model container [2024-11-08 22:09:38,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:38" (1/1) ... [2024-11-08 22:09:38,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:09:39,086 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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-08 22:09:39,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:39,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:09:39,135 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_2113f4ff-d41a-4bd6-8ff2-7bd089941828/sv-benchmarks/c/floats-cdfpl/square_2.i[1627,1640] [2024-11-08 22:09:39,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:39,165 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:09:39,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39 WrapperNode [2024-11-08 22:09:39,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:39,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:39,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:09:39,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:09:39,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,215 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-08 22:09:39,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:39,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:09:39,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:09:39,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:09:39,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:09:39,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:09:39,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:09:39,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:09:39,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:39" (1/1) ... [2024-11-08 22:09:39,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:39,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:09:39,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:09:39,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:09:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:09:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:09:39,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:09:39,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:09:39,427 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:09:39,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:09:49,725 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 22:09:49,726 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:09:49,780 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:09:49,781 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:09:49,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:49 BoogieIcfgContainer [2024-11-08 22:09:49,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:09:49,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:09:49,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:09:49,792 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:09:49,792 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:49" (1/1) ... [2024-11-08 22:09:49,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:09:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 22:09:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 22:09:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:09:49,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:49,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:49,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2113f4ff-d41a-4bd6-8ff2-7bd089941828/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:09:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:09:54,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:09:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat