./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm --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 2214d54defcd10650ad85b05551b84060b114c89dc0a9f14233f38f030bbd558 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:39:58,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:39:58,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:39:58,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:39:58,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:39:58,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:39:58,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:39:58,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:39:58,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:39:58,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:39:58,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:39:58,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:39:58,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:39:58,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:39:58,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:39:58,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:39:58,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:39:58,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:39:58,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:39:58,641 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:39:58,641 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:39:58,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:39:58,641 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:39:58,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:39:58,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:39:58,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:39:58,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:39:58,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:58,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:39:58,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:39:58,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:39:58,643 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:39:58,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:39:58,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm 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 -> 2214d54defcd10650ad85b05551b84060b114c89dc0a9f14233f38f030bbd558 [2024-11-13 22:39:58,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:39:58,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:39:58,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:39:58,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:39:58,968 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:39:58,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c Unable to find full path for "g++" [2024-11-13 22:40:00,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:40:01,063 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:40:01,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2024-11-13 22:40:01,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data/b85504998/825300221d1c40f09f823433ff626bf8/FLAG95bb0fec0 [2024-11-13 22:40:01,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data/b85504998/825300221d1c40f09f823433ff626bf8 [2024-11-13 22:40:01,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:40:01,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:40:01,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:01,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:40:01,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:40:01,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfc51e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01, skipping insertion in model container [2024-11-13 22:40:01,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:40:01,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c[474,487] [2024-11-13 22:40:01,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:01,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:40:01,366 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c[474,487] [2024-11-13 22:40:01,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:01,398 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:40:01,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01 WrapperNode [2024-11-13 22:40:01,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:01,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:01,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:40:01,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:40:01,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,429 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 22:40:01,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:01,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:40:01,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:40:01,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:40:01,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:40:01,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:40:01,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:40:01,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:40:01,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:01,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:40:01,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:40:01,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:40:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:40:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:40:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:40:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:40:01,609 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:40:01,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:40:01,767 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 22:40:01,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:40:01,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:40:01,833 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:40:01,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:01 BoogieIcfgContainer [2024-11-13 22:40:01,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:40:01,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:40:01,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:40:01,848 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:40:01,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:01" (1/1) ... [2024-11-13 22:40:01,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:40:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:40:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:40:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:40:01,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:40:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 22:40:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 22:40:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:40:02,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:40:02,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:40:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:40:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:40:02,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:40:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:40:02,277 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:40:02,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:40:02 ImpRootNode [2024-11-13 22:40:02,310 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:40:02,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:40:02,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:40:02,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:40:02,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:01" (3/4) ... [2024-11-13 22:40:02,314 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:40:02,315 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:40:02,316 INFO L158 Benchmark]: Toolchain (without parser) took 1201.05ms. Allocated memory is still 117.4MB. Free memory was 94.8MB in the beginning and 53.8MB in the end (delta: 41.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:40:02,318 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:02,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.97ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:40:02,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.72ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:02,320 INFO L158 Benchmark]: Boogie Preprocessor took 25.48ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 956.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:02,320 INFO L158 Benchmark]: RCFGBuilder took 378.42ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 69.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:40:02,320 INFO L158 Benchmark]: CodeCheck took 473.05ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 54.1MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:40:02,320 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 117.4MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:02,326 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 12]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 22, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L14] float pi = 3.14159 ; [L20] float x = __VERIFIER_nondet_float() ; [L21] float octant = pi/3 ; [L22] CALL assume_abort_if_not(x > octant && x < pi) [L10] COND FALSE !(!cond) [L22] RET assume_abort_if_not(x > octant && x < pi) [L23] float oddExp = x ; [L24] float evenExp = 1.0 ; [L25] float term = x ; [L26] unsigned int count = 2 ; [L27] int multFactor = 0 ; [L28] int temp ; VAL [count=2, pi=314159/100000] [L30] COND TRUE 1 [L32] term = term * (x/count) [L33] multFactor = (count>>1 % 2 == 0) ? 1 : -1 [L35] evenExp = evenExp + multFactor*term [L37] count++ [L39] term = term * (x/count) [L41] oddExp = oddExp + multFactor*term [L43] count++ [L45] temp = __VERIFIER_nondet_int() [L46] COND TRUE temp == 0 VAL [count=4, pi=314159/100000] [L49] CALL __VERIFIER_assert( oddExp >= evenExp ) [L12] COND TRUE !(cond) VAL [pi=314159/100000] [L12] reach_error() VAL [pi=314159/100000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.97ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.72ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.48ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.4MB in the end (delta: 956.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 378.42ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 69.4MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 473.05ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 54.1MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 117.4MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:40:02,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm --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 2214d54defcd10650ad85b05551b84060b114c89dc0a9f14233f38f030bbd558 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:40:04,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:40:05,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:40:05,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:40:05,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:40:05,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:40:05,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:40:05,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:40:05,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:40:05,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:40:05,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:40:05,125 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:40:05,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:40:05,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:40:05,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:40:05,125 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:40:05,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:40:05,131 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:40:05,131 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:05,131 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:40:05,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:40:05,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:05,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:40:05,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:40:05,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:40:05,131 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:40:05,132 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:05,132 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:40:05,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm 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 -> 2214d54defcd10650ad85b05551b84060b114c89dc0a9f14233f38f030bbd558 [2024-11-13 22:40:05,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:40:05,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:40:05,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:40:05,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:40:05,484 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:40:05,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c Unable to find full path for "g++" [2024-11-13 22:40:07,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:40:07,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:40:07,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c [2024-11-13 22:40:07,505 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data/c6ecbdaf6/95ef42da25f34b6d95712b34cc6aaf5d/FLAGc9cc24c79 [2024-11-13 22:40:07,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/data/c6ecbdaf6/95ef42da25f34b6d95712b34cc6aaf5d [2024-11-13 22:40:07,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:40:07,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:40:07,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:07,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:40:07,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:40:07,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4b3b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07, skipping insertion in model container [2024-11-13 22:40:07,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:40:07,789 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c[474,487] [2024-11-13 22:40:07,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:07,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:40:07,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/sv-benchmarks/c/loop-floats-scientific-comp/loop2-2.c[474,487] [2024-11-13 22:40:07,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:07,896 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:40:07,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07 WrapperNode [2024-11-13 22:40:07,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:07,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:07,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:40:07,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:40:07,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,938 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 22:40:07,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:07,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:40:07,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:40:07,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:40:07,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:40:07,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:40:07,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:40:07,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:40:07,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:07" (1/1) ... [2024-11-13 22:40:07,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:07,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:40:08,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:40:08,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:40:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:40:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:40:08,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:40:08,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:40:18,828 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 22:40:18,828 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:40:18,887 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:40:18,887 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:40:18,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:18 BoogieIcfgContainer [2024-11-13 22:40:18,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:40:18,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:40:18,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:40:18,898 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:40:18,898 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:18" (1/1) ... [2024-11-13 22:40:18,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:40:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:40:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:40:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:40:18,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:18,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:18,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:18,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:18,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:40:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:19,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:19,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:40:19,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:40:19,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:40:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-13 22:40:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-13 22:40:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:40:19,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:19,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:19,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:19,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:19,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:40:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:22,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:33,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:40:33,175 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:485) 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) [2024-11-13 22:40:33,179 INFO L158 Benchmark]: Toolchain (without parser) took 25621.66ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 53.2MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:40:33,179 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:33,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.04ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:40:33,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.24ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:33,180 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:33,181 INFO L158 Benchmark]: RCFGBuilder took 10916.14ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 65.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:40:33,181 INFO L158 Benchmark]: CodeCheck took 14289.43ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 53.2MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:40:33,184 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.04ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.24ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10916.14ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 65.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14289.43ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 53.2MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:40:33,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450459a-dec0-4010-8bbf-1ba39a720db5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown