./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi --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 6437fdc3c0b95eb5fb3a7e28606efb50e2431074b1de5f5cf4c718827adac36d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:33,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:33,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:33,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:33,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:33,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:33,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:33,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:33,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:33,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:33,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:33,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:33,309 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:33,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:33,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:33,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:33,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:33,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:33,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:33,314 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:33,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:33,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:33,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:33,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:33,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:33,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:33,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:33,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:33,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:33,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:33,320 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:33,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:33,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:33,321 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_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6437fdc3c0b95eb5fb3a7e28606efb50e2431074b1de5f5cf4c718827adac36d [2023-11-24 22:56:33,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:33,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:33,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:33,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:33,606 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:33,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c [2023-11-24 22:56:36,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:36,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:36,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c [2023-11-24 22:56:36,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data/3c7a808e4/96eb9b03ff6f4dfa82241e2b85d3809d/FLAG3397a7bf8 [2023-11-24 22:56:36,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data/3c7a808e4/96eb9b03ff6f4dfa82241e2b85d3809d [2023-11-24 22:56:36,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:36,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:37,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:37,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:37,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:37,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:37,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1476b544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37, skipping insertion in model container [2023-11-24 22:56:37,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:37,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:37,200 WARN L240 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_64f17283-4569-4c98-8cf5-1c2ffdde037d/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c[712,725] [2023-11-24 22:56:37,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:37,225 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:37,237 WARN L240 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_64f17283-4569-4c98-8cf5-1c2ffdde037d/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c[712,725] [2023-11-24 22:56:37,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:37,259 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:37,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37 WrapperNode [2023-11-24 22:56:37,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:37,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:37,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:37,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:37,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,301 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2023-11-24 22:56:37,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:37,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:37,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:37,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:37,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:37,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:37,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:37,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:37,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:37,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:37,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:37,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:37,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:37,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:37,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:37,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:37,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:37,470 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:37,473 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:37,596 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:37,652 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:37,652 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:56:37,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:37 BoogieIcfgContainer [2023-11-24 22:56:37,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:37,656 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:37,656 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:37,667 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:37,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:37" (1/1) ... [2023-11-24 22:56:37,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-24 22:56:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-24 22:56:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:37,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,978 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:56:38,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:38 ImpRootNode [2023-11-24 22:56:38,008 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:38,011 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:38,012 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:38,012 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:38,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:37" (3/4) ... [2023-11-24 22:56:38,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:38,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:38,021 INFO L158 Benchmark]: Toolchain (without parser) took 1022.90ms. Allocated memory is still 186.6MB. Free memory was 140.5MB in the beginning and 104.4MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,023 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:38,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.17ms. Allocated memory is still 186.6MB. Free memory was 140.5MB in the beginning and 130.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.41ms. Allocated memory is still 186.6MB. Free memory was 130.0MB in the beginning and 128.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,026 INFO L158 Benchmark]: Boogie Preprocessor took 26.13ms. Allocated memory is still 186.6MB. Free memory was 128.5MB in the beginning and 127.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:38,027 INFO L158 Benchmark]: RCFGBuilder took 325.39ms. Allocated memory is still 186.6MB. Free memory was 127.4MB in the beginning and 116.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,037 INFO L158 Benchmark]: CodeCheck took 352.35ms. Allocated memory is still 186.6MB. Free memory was 115.9MB in the beginning and 104.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:38,038 INFO L158 Benchmark]: Witness Printer took 8.26ms. Allocated memory is still 186.6MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:38,049 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 2 procedures, 13 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, 6 NumberOfCodeBlocks, 6 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: 19]: 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 to_int at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 29. Possible FailurePath: [L25] int r; [L26] double a, x; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=5) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=5) [L29] x = a / 2.0 [L30] r = 0 VAL [r=0] [L32] COND TRUE 1 VAL [r=0] [L33] CALL __VERIFIER_assert((int)(r*r - a - r + 2*x) == 0) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L19] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.17ms. Allocated memory is still 186.6MB. Free memory was 140.5MB in the beginning and 130.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.41ms. Allocated memory is still 186.6MB. Free memory was 130.0MB in the beginning and 128.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.13ms. Allocated memory is still 186.6MB. Free memory was 128.5MB in the beginning and 127.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.39ms. Allocated memory is still 186.6MB. Free memory was 127.4MB in the beginning and 116.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 352.35ms. Allocated memory is still 186.6MB. Free memory was 115.9MB in the beginning and 104.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 8.26ms. Allocated memory is still 186.6MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:38,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/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_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi --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 6437fdc3c0b95eb5fb3a7e28606efb50e2431074b1de5f5cf4c718827adac36d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:40,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:40,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:56:40,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:40,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:40,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:40,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:40,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:40,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:40,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:40,970 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:40,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:40,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:40,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:40,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:40,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:40,974 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:40,974 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:40,974 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:40,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:40,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:40,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:40,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:40,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:40,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:40,978 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:40,978 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:40,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:40,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:40,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:40,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:40,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:40,981 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:40,982 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:40,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:40,982 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:40,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:40,983 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6437fdc3c0b95eb5fb3a7e28606efb50e2431074b1de5f5cf4c718827adac36d [2023-11-24 22:56:41,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:41,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:41,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:41,421 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:41,422 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:41,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c [2023-11-24 22:56:44,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:44,768 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:44,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c [2023-11-24 22:56:44,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data/55cdb75a9/5b78abb9e84b46bcb49ef1069e79172f/FLAGe6735fdd0 [2023-11-24 22:56:44,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/data/55cdb75a9/5b78abb9e84b46bcb49ef1069e79172f [2023-11-24 22:56:44,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:44,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:44,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:44,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:44,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:44,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:44" (1/1) ... [2023-11-24 22:56:44,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4e545d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:44, skipping insertion in model container [2023-11-24 22:56:44,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:44" (1/1) ... [2023-11-24 22:56:44,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:45,030 WARN L240 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_64f17283-4569-4c98-8cf5-1c2ffdde037d/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c[712,725] [2023-11-24 22:56:45,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:45,068 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:45,084 WARN L240 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_64f17283-4569-4c98-8cf5-1c2ffdde037d/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound5.c[712,725] [2023-11-24 22:56:45,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:45,123 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:45,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45 WrapperNode [2023-11-24 22:56:45,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:45,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:45,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:45,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:45,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,168 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-24 22:56:45,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:45,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:45,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:45,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:45,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:45,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:45,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:45,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:45,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:45,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:45,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:45,373 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:45,374 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:46,425 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:46,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:46,491 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:56:46,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:46 BoogieIcfgContainer [2023-11-24 22:56:46,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:46,493 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:46,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:46,504 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:46,504 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-24 22:56:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-24 22:56:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:46,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:46,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:46,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:46,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:56:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:47,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:56:57,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:56:57,870 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:56:57,874 INFO L158 Benchmark]: Toolchain (without parser) took 13069.72ms. Allocated memory is still 81.8MB. Free memory was 58.2MB in the beginning and 48.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-24 22:56:57,875 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:57,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.01ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 46.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:57,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.22ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 45.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:57,877 INFO L158 Benchmark]: Boogie Preprocessor took 30.77ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 43.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:57,878 INFO L158 Benchmark]: RCFGBuilder took 1291.30ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 56.0MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:57,879 INFO L158 Benchmark]: CodeCheck took 11379.23ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 48.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:56:57,884 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.01ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 46.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.22ms. Allocated memory is still 81.8MB. Free memory was 46.4MB in the beginning and 45.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.77ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 43.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1291.30ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 56.0MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 11379.23ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 48.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:56:57,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f17283-4569-4c98-8cf5-1c2ffdde037d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown