./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.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_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/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_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/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_a937a873-b6d9-427f-8850-eed91fb58f7f/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 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:25,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:25,333 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:25,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:25,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:25,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:25,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:25,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:25,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:25,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:25,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:25,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:25,370 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:25,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:25,371 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:25,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:25,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:25,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:25,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:25,374 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:25,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:25,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:25,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:25,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:25,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:25,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:25,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:25,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:25,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:25,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:25,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:25,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:25,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:25,382 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_a937a873-b6d9-427f-8850-eed91fb58f7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 [2023-11-24 22:10:25,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:25,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:25,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:25,712 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:25,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:25,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-24 22:10:28,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:28,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:28,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-24 22:10:28,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data/102fdf858/a7a88a7569f4411faf8ea3b32d3ec3ad/FLAGfce953a89 [2023-11-24 22:10:28,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data/102fdf858/a7a88a7569f4411faf8ea3b32d3ec3ad [2023-11-24 22:10:28,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:28,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:28,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:28,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:28,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:28,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518df123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28, skipping insertion in model container [2023-11-24 22:10:28,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:29,132 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_a937a873-b6d9-427f-8850-eed91fb58f7f/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-24 22:10:29,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:29,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:29,169 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_a937a873-b6d9-427f-8850-eed91fb58f7f/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-24 22:10:29,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:29,189 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:29,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29 WrapperNode [2023-11-24 22:10:29,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:29,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:29,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:29,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:29,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,224 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 33 [2023-11-24 22:10:29,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:29,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:29,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:29,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:29,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:29,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:29,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:29,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:29,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:29,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:29,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:29,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:10:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:10:29,378 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:29,381 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:29,489 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:29,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:29,534 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:10:29,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:29 BoogieIcfgContainer [2023-11-24 22:10:29,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:29,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:29,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:29,547 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:29,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-24 22:10:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-24 22:10:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:29,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:29,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:29,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:29,773 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:10:29,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:29 ImpRootNode [2023-11-24 22:10:29,794 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:29,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:29,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:29,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:29,796 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:29" (3/4) ... [2023-11-24 22:10:29,798 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:10:29,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:29,800 INFO L158 Benchmark]: Toolchain (without parser) took 858.93ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 100.5MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,801 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:29,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.37ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 127.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.53ms. Allocated memory is still 186.6MB. Free memory was 127.1MB in the beginning and 125.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,803 INFO L158 Benchmark]: Boogie Preprocessor took 23.45ms. Allocated memory is still 186.6MB. Free memory was 125.6MB in the beginning and 124.7MB in the end (delta: 958.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:29,804 INFO L158 Benchmark]: RCFGBuilder took 286.60ms. Allocated memory is still 186.6MB. Free memory was 124.7MB in the beginning and 112.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,805 INFO L158 Benchmark]: CodeCheck took 257.74ms. Allocated memory is still 186.6MB. Free memory was 112.5MB in the beginning and 101.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,806 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 186.6MB. Free memory was 101.1MB in the beginning and 100.5MB in the end (delta: 560.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:29,810 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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<=50) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=50) [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 0.35ms. Allocated memory is still 151.0MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.37ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 127.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.53ms. Allocated memory is still 186.6MB. Free memory was 127.1MB in the beginning and 125.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.45ms. Allocated memory is still 186.6MB. Free memory was 125.6MB in the beginning and 124.7MB in the end (delta: 958.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.60ms. Allocated memory is still 186.6MB. Free memory was 124.7MB in the beginning and 112.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 257.74ms. Allocated memory is still 186.6MB. Free memory was 112.5MB in the beginning and 101.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 186.6MB. Free memory was 101.1MB in the beginning and 100.5MB in the end (delta: 560.7kB). 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 22:10:29,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/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 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_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/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_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/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_a937a873-b6d9-427f-8850-eed91fb58f7f/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 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:32,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:32,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:10:32,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:32,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:32,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:32,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:32,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:32,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:32,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:32,566 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:32,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:32,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:32,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:32,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:32,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:32,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:10:32,576 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:10:32,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:10:32,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:32,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:32,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:32,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:32,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:32,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:32,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:32,581 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:32,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:32,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:32,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:32,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:32,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:32,585 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:10:32,586 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:32,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:32,586 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:10:32,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:32,587 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_a937a873-b6d9-427f-8850-eed91fb58f7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 [2023-11-24 22:10:33,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:33,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:33,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:33,054 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:33,055 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:33,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-24 22:10:36,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:36,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:36,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-24 22:10:36,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data/9c803e429/084774fce7fe43179bbc5578d4f05186/FLAG0977d72a8 [2023-11-24 22:10:36,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/data/9c803e429/084774fce7fe43179bbc5578d4f05186 [2023-11-24 22:10:36,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:36,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:36,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:36,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:36,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:36,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d0225d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36, skipping insertion in model container [2023-11-24 22:10:36,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:36,687 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_a937a873-b6d9-427f-8850-eed91fb58f7f/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-24 22:10:36,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:36,718 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:36,731 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_a937a873-b6d9-427f-8850-eed91fb58f7f/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c[712,725] [2023-11-24 22:10:36,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:36,753 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:36,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36 WrapperNode [2023-11-24 22:10:36,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:36,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:36,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:36,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:36,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,791 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-24 22:10:36,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:36,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:36,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:36,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:36,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:36,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:36,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:36,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:36,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:36" (1/1) ... [2023-11-24 22:10:36,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:36,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:36,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:36,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:10:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:10:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:10:37,044 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:37,047 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:38,940 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:39,028 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:39,029 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:10:39,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:39 BoogieIcfgContainer [2023-11-24 22:10:39,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:39,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:39,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:39,043 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:39,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:39,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-24 22:10:39,111 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-24 22:10:39,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:39,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:39,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:39,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:10:39,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:10:39,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:10:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:40,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:10:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:10:50,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:10:50,305 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 22:10:50,315 INFO L158 Benchmark]: Toolchain (without parser) took 13829.95ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 50.4MB in the beginning and 60.1MB in the end (delta: -9.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,315 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:50,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.71ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 39.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.05ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 37.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,320 INFO L158 Benchmark]: Boogie Preprocessor took 30.96ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 36.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:50,321 INFO L158 Benchmark]: RCFGBuilder took 2181.88ms. Allocated memory is still 100.7MB. Free memory was 80.7MB in the beginning and 67.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,322 INFO L158 Benchmark]: CodeCheck took 11281.16ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 60.1MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:10:50,327 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 0.29ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.71ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 39.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.05ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 37.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.96ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 36.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2181.88ms. Allocated memory is still 100.7MB. Free memory was 80.7MB in the beginning and 67.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11281.16ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 60.1MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:10:50,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a937a873-b6d9-427f-8850-eed91fb58f7f/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