./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_reinit.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL --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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:42:07,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:42:07,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:42:07,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:42:07,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:42:07,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:42:07,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:42:07,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:42:07,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:42:07,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:42:07,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:42:07,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:42:07,310 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:42:07,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:42:07,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:42:07,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:42:07,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:42:07,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:42:07,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:42:07,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:42:07,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:42:07,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:42:07,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:42:07,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:42:07,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:42:07,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:42:07,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:07,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:42:07,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:42:07,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:42:07,321 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:42:07,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:42:07,322 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:42:07,322 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_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2023-11-19 02:42:07,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:42:07,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:42:07,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:42:07,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:42:07,611 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:42:07,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/filter2_reinit.c [2023-11-19 02:42:10,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:42:10,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:42:10,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/sv-benchmarks/c/float-benchs/filter2_reinit.c [2023-11-19 02:42:10,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data/989253461/5f38cdacd71c44549dd03809d41fc256/FLAG5500185fb [2023-11-19 02:42:10,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data/989253461/5f38cdacd71c44549dd03809d41fc256 [2023-11-19 02:42:10,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:42:10,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:42:10,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:10,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:42:10,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:42:10,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:10" (1/1) ... [2023-11-19 02:42:10,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f51c9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:10, skipping insertion in model container [2023-11-19 02:42:10,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:10" (1/1) ... [2023-11-19 02:42:10,917 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:42:11,100 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_a21261b7-267a-4f83-88f7-409cd74abfb0/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2023-11-19 02:42:11,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:11,137 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:42:11,155 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_a21261b7-267a-4f83-88f7-409cd74abfb0/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2023-11-19 02:42:11,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:11,192 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:42:11,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11 WrapperNode [2023-11-19 02:42:11,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:11,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:11,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:42:11,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:42:11,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,237 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-19 02:42:11,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:11,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:42:11,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:42:11,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:42:11,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:42:11,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:42:11,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:42:11,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:42:11,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:11,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:42:11,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:42:11,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:42:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:42:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:42:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:42:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:42:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:42:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:42:11,455 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:42:11,458 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:42:11,609 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:42:11,668 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:42:11,668 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:42:11,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:11 BoogieIcfgContainer [2023-11-19 02:42:11,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:42:11,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:42:11,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:42:11,684 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:42:11,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:11" (1/1) ... [2023-11-19 02:42:11,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:42:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 02:42:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 02:42:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:42:11,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:11,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:11,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:42:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:42:12,037 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:42:12,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:42:12 ImpRootNode [2023-11-19 02:42:12,063 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:42:12,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:42:12,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:42:12,065 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:42:12,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:11" (3/4) ... [2023-11-19 02:42:12,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:42:12,068 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:42:12,069 INFO L158 Benchmark]: Toolchain (without parser) took 1183.67ms. Allocated memory is still 190.8MB. Free memory was 150.8MB in the beginning and 108.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 02:42:12,070 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:12,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.43ms. Allocated memory is still 190.8MB. Free memory was 150.8MB in the beginning and 139.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:42:12,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.64ms. Allocated memory is still 190.8MB. Free memory was 139.8MB in the beginning and 138.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:12,072 INFO L158 Benchmark]: Boogie Preprocessor took 49.49ms. Allocated memory is still 190.8MB. Free memory was 138.2MB in the beginning and 136.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:12,073 INFO L158 Benchmark]: RCFGBuilder took 383.70ms. Allocated memory is still 190.8MB. Free memory was 136.7MB in the beginning and 124.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:42:12,074 INFO L158 Benchmark]: CodeCheck took 389.18ms. Allocated memory is still 190.8MB. Free memory was 124.2MB in the beginning and 109.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:42:12,074 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 190.8MB. Free memory was 109.5MB in the beginning and 108.9MB in the end (delta: 587.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:12,079 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, 14 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, 15 NumberOfCodeBlocks, 15 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: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of to_real at line 31, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51. Possible FailurePath: [L23] double E, E0, E1, S0, S1, S; [L24] int i; [L26] E = __VERIFIER_nondet_double() [L27] E0 = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L16] COND FALSE !(!cond) [L28] RET assume_abort_if_not(E >= 0. && E <= 1.) [L29] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L16] COND FALSE !(!cond) [L29] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) [L31] S0 = 0 [L32] S = 0 [L34] i = 0 VAL [i=0] [L34] COND TRUE i <= 1000000 [L36] E1 = E0 [L37] E0 = E [L39] E = __VERIFIER_nondet_double() [L40] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L16] COND FALSE !(!cond) [L40] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E=2, E=3, i=0] [L42] COND TRUE __VERIFIER_nondet_int() [L43] E1 = E [L44] E0 = E [L45] S0 = E [L46] S = E [L49] S1 = S0 [L50] S0 = S [L51] S = 0.7*E - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7 [L53] CALL __VERIFIER_assert(S >= -4. && S <= 4.) [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L18] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.43ms. Allocated memory is still 190.8MB. Free memory was 150.8MB in the beginning and 139.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.64ms. Allocated memory is still 190.8MB. Free memory was 139.8MB in the beginning and 138.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.49ms. Allocated memory is still 190.8MB. Free memory was 138.2MB in the beginning and 136.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.70ms. Allocated memory is still 190.8MB. Free memory was 136.7MB in the beginning and 124.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 389.18ms. Allocated memory is still 190.8MB. Free memory was 124.2MB in the beginning and 109.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 190.8MB. Free memory was 109.5MB in the beginning and 108.9MB in the end (delta: 587.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:42:12,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_reinit.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL --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 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:42:14,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:42:14,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:42:14,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:42:14,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:42:14,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:42:14,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:42:14,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:42:14,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:42:14,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:42:14,956 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:42:14,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:42:14,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:42:14,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:42:14,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:42:14,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:42:14,960 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:42:14,961 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:42:14,961 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:42:14,962 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:42:14,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:42:14,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:42:14,964 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:42:14,964 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:42:14,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:42:14,965 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:14,965 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:42:14,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:42:14,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:14,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:42:14,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:42:14,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:42:14,969 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:42:14,969 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:14,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:42:14,970 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:42:14,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:42:14,970 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_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77348271d6b3efbe553fb980482d4643f648de35ae877e068f35f88b7419ce44 [2023-11-19 02:42:15,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:42:15,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:42:15,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:42:15,474 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:42:15,474 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:42:15,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/filter2_reinit.c [2023-11-19 02:42:18,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:42:18,981 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:42:18,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/sv-benchmarks/c/float-benchs/filter2_reinit.c [2023-11-19 02:42:18,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data/e61ddf2c5/64afa26ad11b4f01ba69a4cdf15fa8f8/FLAGb49946a49 [2023-11-19 02:42:19,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/data/e61ddf2c5/64afa26ad11b4f01ba69a4cdf15fa8f8 [2023-11-19 02:42:19,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:42:19,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:42:19,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:19,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:42:19,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:42:19,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c073ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19, skipping insertion in model container [2023-11-19 02:42:19,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:42:19,220 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_a21261b7-267a-4f83-88f7-409cd74abfb0/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2023-11-19 02:42:19,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:19,262 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:42:19,277 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_a21261b7-267a-4f83-88f7-409cd74abfb0/sv-benchmarks/c/float-benchs/filter2_reinit.c[700,713] [2023-11-19 02:42:19,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:42:19,321 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:42:19,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19 WrapperNode [2023-11-19 02:42:19,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:42:19,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:19,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:42:19,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:42:19,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,385 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-19 02:42:19,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:42:19,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:42:19,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:42:19,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:42:19,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:42:19,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:42:19,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:42:19,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:42:19,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:42:19" (1/1) ... [2023-11-19 02:42:19,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:42:19,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:42:19,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:42:19,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:42:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:42:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:42:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:42:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:42:19,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:42:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:42:19,637 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:42:19,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:42:30,064 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:42:30,113 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:42:30,113 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:42:30,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:30 BoogieIcfgContainer [2023-11-19 02:42:30,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:42:30,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:42:30,120 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:42:30,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:42:30,132 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:42:30" (1/1) ... [2023-11-19 02:42:30,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:42:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 02:42:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 02:42:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:42:30,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:30,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:42:30,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:42:30,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:42:30,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:42:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:40,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:42:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:42:51,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:42:51,111 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) [2023-11-19 02:42:51,118 INFO L158 Benchmark]: Toolchain (without parser) took 32105.86ms. Allocated memory is still 88.1MB. Free memory was 64.0MB in the beginning and 54.3MB in the end (delta: 9.7MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-19 02:42:51,119 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:51,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.13ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 52.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:42:51,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.87ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 50.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:42:51,121 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 49.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:42:51,122 INFO L158 Benchmark]: RCFGBuilder took 10684.36ms. Allocated memory is still 88.1MB. Free memory was 49.4MB in the beginning and 63.4MB in the end (delta: -13.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 02:42:51,122 INFO L158 Benchmark]: CodeCheck took 20997.39ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 54.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:42:51,133 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 88.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.13ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 52.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.87ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 50.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 49.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10684.36ms. Allocated memory is still 88.1MB. Free memory was 49.4MB in the beginning and 63.4MB in the end (delta: -13.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * CodeCheck took 20997.39ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 54.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:42:51,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21261b7-267a-4f83-88f7-409cd74abfb0/bin/ukojak-verify-G8NBE6pJGL/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