./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter_iir.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/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_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter_iir.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/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_d4956a7a-7c60-47c2-9ca4-514f17d40645/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 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:45:59,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:45:59,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:45:59,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:45:59,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:45:59,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:45:59,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:45:59,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:45:59,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:45:59,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:45:59,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:45:59,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:45:59,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:45:59,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:45:59,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:45:59,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:45:59,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:45:59,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:45:59,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:45:59,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:45:59,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:45:59,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:45:59,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:45:59,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:45:59,531 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:45:59,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:45:59,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:45:59,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:45:59,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:45:59,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:45:59,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:45:59,535 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:45:59,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:45:59,536 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_d4956a7a-7c60-47c2-9ca4-514f17d40645/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 [2024-11-08 22:45:59,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:45:59,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:45:59,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:45:59,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:45:59,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:45:59,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/filter_iir.c Unable to find full path for "g++" [2024-11-08 22:46:01,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:02,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:02,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/sv-benchmarks/c/float-benchs/filter_iir.c [2024-11-08 22:46:02,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data/30efb08d9/357c775f288d4006a9308fdfae424b2f/FLAGfa3e7f805 [2024-11-08 22:46:02,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data/30efb08d9/357c775f288d4006a9308fdfae424b2f [2024-11-08 22:46:02,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:02,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:02,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:02,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:02,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:02,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415bfc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02, skipping insertion in model container [2024-11-08 22:46:02,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:02,659 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_d4956a7a-7c60-47c2-9ca4-514f17d40645/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-08 22:46:02,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:02,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:02,736 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_d4956a7a-7c60-47c2-9ca4-514f17d40645/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-08 22:46:02,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:02,771 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:02,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02 WrapperNode [2024-11-08 22:46:02,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:02,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:02,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:02,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:02,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,817 INFO L138 Inliner]: procedures = 18, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139 [2024-11-08 22:46:02,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:02,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:02,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:02,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:02,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:02,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:02,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:02,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:02,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:02" (1/1) ... [2024-11-08 22:46:02,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:02,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:02,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:02,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:46:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 22:46:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:46:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:02,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 22:46:03,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:03,076 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:03,305 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:03,305 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:03,432 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:03,433 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:46:03,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:03 BoogieIcfgContainer [2024-11-08 22:46:03,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:03,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:03,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:03,445 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:03,445 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:03" (1/1) ... [2024-11-08 22:46:03,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:46:03,523 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:46:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:46:03,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:03,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:03,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:04,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:04,283 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:46:04,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:04 ImpRootNode [2024-11-08 22:46:04,313 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:04,313 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:04,313 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:04,314 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:04,314 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:03" (3/4) ... [2024-11-08 22:46:04,317 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:04,318 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:04,319 INFO L158 Benchmark]: Toolchain (without parser) took 1890.70ms. Allocated memory is still 180.4MB. Free memory was 141.4MB in the beginning and 126.0MB in the end (delta: 15.4MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:04,320 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 100.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:04,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.55ms. Allocated memory is still 180.4MB. Free memory was 140.8MB in the beginning and 127.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:04,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.44ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:04,322 INFO L158 Benchmark]: Boogie Preprocessor took 38.94ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 123.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:04,323 INFO L158 Benchmark]: RCFGBuilder took 575.73ms. Allocated memory is still 180.4MB. Free memory was 123.8MB in the beginning and 104.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:46:04,323 INFO L158 Benchmark]: CodeCheck took 878.60ms. Allocated memory is still 180.4MB. Free memory was 104.3MB in the beginning and 126.0MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:04,324 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 180.4MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:04,327 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 13]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of to_real at line 16, overapproximation of someBinaryArithmeticDOUBLEoperation at line 28. Possible FailurePath: [L16] double A1[3] = { 1, 0.5179422053046, 1.0 }; [L17] double b1[2] = { 1.470767736573, 0.5522073405779 }; [L18] double A2[3] = { 1, 1.633101801841, 1.0 }; [L19] double b2[2] = { 1.742319554830, 0.820939679242 }; [L21] double D1[2], D2[2]; [L22] double P, X; [L43] D1[0] = 0. [L43] D1[1] = 0. [L44] D2[0] = 0. [L44] D2[1] = 0. [L45] P = 0. VAL [A1={4:0}, A2={6:0}, D1={8:0}, D2={9:0}, P={10:0}, X={11:0}, b1={5:0}, b2={7:0}] [L47] COND TRUE 1 [L49] X = __VERIFIER_nondet_double() [L50] EXPR \read(X) [L50] EXPR X >= -10. && X <= 10. [L50] EXPR \read(X) [L50] EXPR X >= -10. && X <= 10. [L50] CALL assume_abort_if_not(X >= -10. && X <= 10.) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(X >= -10. && X <= 10.) [L52] CALL iir4(&X, &P) [L26] double x1, y1, t1, t2; [L28] EXPR \read(*x) [L28] x1 = 0.0117749388721091 * *x [L30] EXPR b1[0] [L30] EXPR D1[0] [L30] EXPR b1[1] [L30] EXPR D1[1] [L30] t1 = x1 + b1[0]*D1[0] - b1[1]*D1[1] [L31] EXPR A1[0] [L31] EXPR A1[1] [L31] EXPR D1[0] [L31] EXPR A1[2] [L31] EXPR D1[1] [L31] y1 = A1[0]*t1 - A1[1]*D1[0] + A1[2]*D1[1] [L32] EXPR D1[0] [L32] D1[1] = D1[0] [L33] D1[0] = t1 [L35] EXPR b2[0] [L35] EXPR D2[0] [L35] EXPR b2[1] [L35] EXPR D2[1] [L35] t2 = y1 + b2[0]*D2[0] - b2[1]*D2[1] [L36] EXPR A2[0] [L36] EXPR A2[1] [L36] EXPR D2[0] [L36] EXPR A2[2] [L36] EXPR D2[1] [L36] *y = A2[0]*t2 - A2[1]*D2[0] + A2[2]*D2[1] [L37] EXPR D2[0] [L37] D2[1] = D2[0] [L38] D2[0] = t2 [L52] RET iir4(&X, &P) [L54] EXPR \read(P) [L54] EXPR P >= -1e30 && P <= 1e30 [L54] CALL __VERIFIER_assert(P >= -1e30 && P <= 1e30) [L13] COND TRUE !(cond) VAL [A1={4:0}, A2={6:0}, D1={8:0}, D2={9:0}, P={10:0}, X={11:0}, b1={5:0}, b2={7:0}] [L13] reach_error() VAL [A1={4:0}, A2={6:0}, D1={8:0}, D2={9:0}, P={10:0}, X={11:0}, b1={5:0}, b2={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 100.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.55ms. Allocated memory is still 180.4MB. Free memory was 140.8MB in the beginning and 127.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.44ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 125.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.94ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 123.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.73ms. Allocated memory is still 180.4MB. Free memory was 123.8MB in the beginning and 104.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 878.60ms. Allocated memory is still 180.4MB. Free memory was 104.3MB in the beginning and 126.0MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 180.4MB. Free memory is still 126.0MB. 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 22:46:04,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/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_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter_iir.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/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_d4956a7a-7c60-47c2-9ca4-514f17d40645/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 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:06,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:06,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:46:06,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:06,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:06,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:06,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:06,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:06,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:06,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:06,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:46:06,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:46:06,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:06,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:06,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:06,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:06,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:46:06,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:46:06,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:06,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:46:06,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:46:06,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:06,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:06,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:06,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:06,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:06,893 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:06,893 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:46:06,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:06,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:06,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:06,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:06,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:06,896 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:46:06,896 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:06,896 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:46:06,897 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_d4956a7a-7c60-47c2-9ca4-514f17d40645/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8140822ac5d36d3dbe917657ea1276e86420f348faa7d4310d2cd40fc22f39e9 [2024-11-08 22:46:07,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:07,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:07,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:07,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:07,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:07,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/filter_iir.c Unable to find full path for "g++" [2024-11-08 22:46:09,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:09,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:09,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/sv-benchmarks/c/float-benchs/filter_iir.c [2024-11-08 22:46:09,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data/31c692473/4ccc4109c3124bd3b9c93758988b3772/FLAG8bc541bdd [2024-11-08 22:46:09,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/data/31c692473/4ccc4109c3124bd3b9c93758988b3772 [2024-11-08 22:46:09,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:09,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:09,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:09,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:09,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:09,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:09" (1/1) ... [2024-11-08 22:46:09,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4761c064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:09, skipping insertion in model container [2024-11-08 22:46:09,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:09" (1/1) ... [2024-11-08 22:46:09,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:09,988 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_d4956a7a-7c60-47c2-9ca4-514f17d40645/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-08 22:46:10,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:10,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:10,072 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_d4956a7a-7c60-47c2-9ca4-514f17d40645/sv-benchmarks/c/float-benchs/filter_iir.c[583,596] [2024-11-08 22:46:10,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:10,124 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:10,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10 WrapperNode [2024-11-08 22:46:10,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:10,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:10,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:10,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:10,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,194 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 140 [2024-11-08 22:46:10,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:10,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:10,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:10,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:10,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:10,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:10,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:10,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:10,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:10" (1/1) ... [2024-11-08 22:46:10,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:10,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:10,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:10,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-08 22:46:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-08 22:46:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:46:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-08 22:46:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:10,460 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:10,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:21,382 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:21,382 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:21,620 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:21,620 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:46:21,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:21 BoogieIcfgContainer [2024-11-08 22:46:21,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:21,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:21,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:21,634 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:21,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:21" (1/1) ... [2024-11-08 22:46:21,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:46:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:46:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:46:21,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:21,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:21,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:21,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:21,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4956a7a-7c60-47c2-9ca4-514f17d40645/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process