./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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 a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:12,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:12,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:20:12,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:20:12,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:20:12,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:12,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:20:12,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:20:12,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:12,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:12,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:12,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:20:12,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:20:12,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:20:12,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:20:12,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:12,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:20:12,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:12,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:20:12,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:12,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:20:12,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:20:12,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:12,333 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:12,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:12,333 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:12,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:12,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:12,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:12,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:12,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:20:12,339 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:20:12,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:20:12,340 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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2024-11-08 23:20:12,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:12,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:12,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:12,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:12,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:12,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c Unable to find full path for "g++" [2024-11-08 23:20:14,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:14,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:14,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-11-08 23:20:15,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data/49d80158a/8add746c57854302ba75b8658f7c60de/FLAG46c1ac2f9 [2024-11-08 23:20:15,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data/49d80158a/8add746c57854302ba75b8658f7c60de [2024-11-08 23:20:15,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:15,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:15,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:15,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:15,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:15,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af40a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15, skipping insertion in model container [2024-11-08 23:20:15,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:15,646 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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-08 23:20:15,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:15,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:15,679 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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-08 23:20:15,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:15,701 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:15,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15 WrapperNode [2024-11-08 23:20:15,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:15,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:15,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:15,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:15,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,737 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-08 23:20:15,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:15,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:15,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:15,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:15,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:15,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:15,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:15,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:15,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:15" (1/1) ... [2024-11-08 23:20:15,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:15,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:15,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:15,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:20:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:15,891 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:15,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:16,003 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:16,003 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:20:16,059 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:20:16,060 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:20:16,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:16 BoogieIcfgContainer [2024-11-08 23:20:16,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:20:16,062 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:20:16,062 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:20:16,074 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:20:16,074 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:16" (1/1) ... [2024-11-08 23:20:16,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:20:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:20:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:20:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:20:16,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:16,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:16,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:16,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:16,374 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:20:16,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:20:16 ImpRootNode [2024-11-08 23:20:16,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:20:16,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:20:16,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:20:16,415 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:20:16,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:16" (3/4) ... [2024-11-08 23:20:16,418 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:20:16,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:20:16,420 INFO L158 Benchmark]: Toolchain (without parser) took 1021.60ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 114.0MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:16,422 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:16,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.53ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 99.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:20:16,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.37ms. Allocated memory is still 146.8MB. Free memory was 99.1MB in the beginning and 97.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:16,425 INFO L158 Benchmark]: Boogie Preprocessor took 23.36ms. Allocated memory is still 146.8MB. Free memory was 97.9MB in the beginning and 96.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:20:16,426 INFO L158 Benchmark]: RCFGBuilder took 297.37ms. Allocated memory is still 146.8MB. Free memory was 96.6MB in the beginning and 85.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:20:16,427 INFO L158 Benchmark]: CodeCheck took 350.98ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 114.8MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:16,428 INFO L158 Benchmark]: Witness Printer took 6.11ms. Allocated memory is still 146.8MB. Free memory was 114.8MB in the beginning and 114.0MB in the end (delta: 847.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:20:16,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 11]: 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 22, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L15] int x; [L16] float y, z; [L18] x = __VERIFIER_nondet_int() [L19] CALL assume_abort_if_not(x >= -10 && x <= 10) [L9] COND FALSE !(!cond) [L19] RET assume_abort_if_not(x >= -10 && x <= 10) [L21] y = x*x - 4.f [L22] CALL __VERIFIER_assert(y != 0.f) [L11] COND TRUE !(cond) [L11] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.53ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 99.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.37ms. Allocated memory is still 146.8MB. Free memory was 99.1MB in the beginning and 97.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.36ms. Allocated memory is still 146.8MB. Free memory was 97.9MB in the beginning and 96.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.37ms. Allocated memory is still 146.8MB. Free memory was 96.6MB in the beginning and 85.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 350.98ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 114.8MB in the end (delta: -29.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.11ms. Allocated memory is still 146.8MB. Free memory was 114.8MB in the beginning and 114.0MB in the end (delta: 847.1kB). 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 23:20:16,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/float_int_inv_square.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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 a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:20:18,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:20:19,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:20:19,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:20:19,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:20:19,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:20:19,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:20:19,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:20:19,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:20:19,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:20:19,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:20:19,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:20:19,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:20:19,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:20:19,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:20:19,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:20:19,161 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:20:19,162 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:20:19,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:20:19,162 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:20:19,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:20:19,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:20:19,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:20:19,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:20:19,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:20:19,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:20:19,169 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:19,172 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:20:19,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:20:19,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:19,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:20:19,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:20:19,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:20:19,174 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:20:19,175 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:19,175 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:20:19,175 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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3f1488b0e5756e8d9e219e50ec38e84e8e4fac76b2e3a5e1785d4e14d4111d8 [2024-11-08 23:20:19,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:20:19,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:20:19,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:20:19,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:20:19,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:20:19,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/float_int_inv_square.c Unable to find full path for "g++" [2024-11-08 23:20:21,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:20:21,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:20:21,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/sv-benchmarks/c/float-benchs/float_int_inv_square.c [2024-11-08 23:20:21,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data/4c2295021/ab199b68d07a44f7923a847f9e48a01e/FLAG6c3ed5483 [2024-11-08 23:20:21,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/data/4c2295021/ab199b68d07a44f7923a847f9e48a01e [2024-11-08 23:20:21,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:20:21,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:20:21,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:21,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:20:21,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:20:21,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:21" (1/1) ... [2024-11-08 23:20:21,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14cee92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:21, skipping insertion in model container [2024-11-08 23:20:21,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:20:21" (1/1) ... [2024-11-08 23:20:21,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:20:22,235 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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-08 23:20:22,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:22,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:20:22,282 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_399e95d1-4ac9-4302-a6f2-da19ff24a56d/sv-benchmarks/c/float-benchs/float_int_inv_square.c[488,501] [2024-11-08 23:20:22,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:20:22,308 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:20:22,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22 WrapperNode [2024-11-08 23:20:22,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:20:22,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:22,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:20:22,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:20:22,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,349 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-08 23:20:22,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:20:22,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:20:22,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:20:22,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:20:22,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:20:22,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:20:22,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:20:22,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:20:22,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:20:22" (1/1) ... [2024-11-08 23:20:22,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:20:22,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:20:22,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:20:22,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:20:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:20:22,587 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:20:22,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:20:23,837 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:20:23,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:20:23,899 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:20:23,900 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:20:23,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:23 BoogieIcfgContainer [2024-11-08 23:20:23,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:20:23,901 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:20:23,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:20:23,913 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:20:23,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:20:23" (1/1) ... [2024-11-08 23:20:23,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:20:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-08 23:20:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-08 23:20:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:20:23,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:23,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:23,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:23,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:23,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399e95d1-4ac9-4302-a6f2-da19ff24a56d/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:20:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:24,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:20:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat