./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3 --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 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:10:50,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:10:50,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:10:50,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:10:50,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:10:50,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:10:50,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:10:50,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:10:50,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:10:50,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:10:50,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:10:50,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:10:50,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:10:50,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:10:50,389 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:10:50,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:10:50,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:10:50,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:10:50,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:10:50,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:10:50,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:10:50,390 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:10:50,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:10:50,391 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:10:50,391 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:10:50,391 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:10:50,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:10:50,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:50,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:10:50,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:10:50,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:10:50,392 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:10:50,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:10:50,392 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_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3 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 -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2024-11-25 05:10:50,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:10:50,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:10:50,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:10:50,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:10:50,708 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:10:50,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-11-25 05:10:53,729 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/2a6f8f837/38e89527cd2440458610e420e847dafe/FLAG72a1eccb2 [2024-11-25 05:10:54,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:10:54,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-11-25 05:10:54,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/2a6f8f837/38e89527cd2440458610e420e847dafe/FLAG72a1eccb2 [2024-11-25 05:10:54,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/2a6f8f837/38e89527cd2440458610e420e847dafe [2024-11-25 05:10:54,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:10:54,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:10:54,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:54,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:10:54,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:10:54,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11302be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54, skipping insertion in model container [2024-11-25 05:10:54,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:10:54,304 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_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-11-25 05:10:54,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:54,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:10:54,350 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_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-11-25 05:10:54,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:10:54,372 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:10:54,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54 WrapperNode [2024-11-25 05:10:54,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:10:54,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:54,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:10:54,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:10:54,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,416 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2024-11-25 05:10:54,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:10:54,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:10:54,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:10:54,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:10:54,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,434 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:10:54,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:10:54,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:10:54,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:10:54,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:54,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:10:54,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:10:54,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:10:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:10:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:10:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:10:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:10:54,593 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:10:54,595 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:10:54,760 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-25 05:10:54,760 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:10:54,798 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:10:54,798 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:10:54,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:54 BoogieIcfgContainer [2024-11-25 05:10:54,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:10:54,800 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:10:54,800 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:10:54,811 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:10:54,812 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:54" (1/1) ... [2024-11-25 05:10:54,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:10:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 05:10:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 05:10:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:10:54,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:54,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:10:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 05:10:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 05:10:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:10:55,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:55,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:10:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:10:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:10:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 05:10:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 05:10:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:10:55,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:10:55,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:10:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:55,442 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:10:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:55,525 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:10:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:10:55,556 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 05:10:55,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:10:55 ImpRootNode [2024-11-25 05:10:55,593 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:10:55,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:10:55,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:10:55,595 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:10:55,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:54" (3/4) ... [2024-11-25 05:10:55,600 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:10:55,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:10:55,603 INFO L158 Benchmark]: Toolchain (without parser) took 1523.81ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 42.5MB in the end (delta: 50.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 05:10:55,604 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:55,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.54ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:10:55,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.53ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:55,608 INFO L158 Benchmark]: Boogie Preprocessor took 24.21ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 874.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:10:55,608 INFO L158 Benchmark]: RCFGBuilder took 355.57ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:10:55,608 INFO L158 Benchmark]: CodeCheck took 793.90ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 42.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:10:55,608 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 117.4MB. Free memory was 42.7MB in the beginning and 42.5MB in the end (delta: 204.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:10:55,611 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 36 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 66]: 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 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 30, overapproximation of to_real at line 20, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L1] int __return_main; [L14] float main__X; [L15] float main__Y; [L16] float main__S; [L17] float main__R; [L18] float main__D; [L19] int main__i; [L20] main__Y = 0 [L21] main__i = 0 VAL [__return_main=0, main__i=0] [L23] COND TRUE main__i < 100000 [L25] main__X = __VERIFIER_nondet_float() [L26] main__D = __VERIFIER_nondet_float() [L27] int main____CPAchecker_TMP_0; VAL [__return_main=0, main__i=0] [L28] COND TRUE main__X >= -128.0 VAL [__return_main=0, main__i=0] [L30] COND TRUE main__X <= 128.0 [L32] main____CPAchecker_TMP_0 = 1 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L34] COND TRUE main____CPAchecker_TMP_0 != 0 [L36] int main____CPAchecker_TMP_1; VAL [__return_main=0, main__i=0] [L37] COND TRUE main__D >= 0.0 VAL [__return_main=0, main__i=0] [L39] COND TRUE main__D <= 16.0 [L41] main____CPAchecker_TMP_1 = 1 VAL [__return_main=0, main____CPAchecker_TMP_1=1, main__i=0] [L43] COND TRUE main____CPAchecker_TMP_1 != 0 [L45] main__S = main__Y [L46] main__Y = main__X [L47] main__R = main__X - main__S [L48] COND TRUE main__R <= (-main__D) [L50] main__Y = main__S - main__D [L52] int main____CPAchecker_TMP_2; VAL [__return_main=0, main__Y=2, main__i=0] [L53] COND FALSE !(main__Y >= -129.0) VAL [__return_main=0, main__Y=2, main__i=0] [L79] main____CPAchecker_TMP_2 = 0 VAL [__return_main=0, main__Y=2, main____CPAchecker_TMP_2=0, main__i=0] [L60] int __tmp_1; [L61] __tmp_1 = main____CPAchecker_TMP_2 [L62] int __VERIFIER_assert__cond; [L63] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0, main__Y=2, main__i=0] [L64] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0, main__Y=2, main__i=0] [L66] reach_error() VAL [__return_main=0, main__Y=2, main__i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.54ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.53ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.21ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.7MB in the end (delta: 874.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 355.57ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 793.90ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 42.7MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 117.4MB. Free memory was 42.7MB in the beginning and 42.5MB in the end (delta: 204.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:10:55,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3 --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 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:10:58,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:10:58,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:10:58,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:10:58,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:10:58,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:10:58,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:10:58,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:10:58,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:10:58,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:10:58,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:10:58,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:10:58,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:10:58,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:10:58,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:10:58,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:10:58,537 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:10:58,537 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:10:58,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:10:58,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:10:58,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:10:58,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:10:58,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:10:58,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:10:58,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:10:58,540 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:10:58,540 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:58,540 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:10:58,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:10:58,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:10:58,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:10:58,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:10:58,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:10:58,541 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:10:58,541 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:10:58,541 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:10:58,541 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_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3 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 -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2024-11-25 05:10:58,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:10:58,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:10:58,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:10:58,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:10:58,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:10:58,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-11-25 05:11:02,119 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/f689fdc9b/8bee757aa8c54e02b91a432b3ad90e62/FLAGbe84e53ab [2024-11-25 05:11:02,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:11:02,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-11-25 05:11:02,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/f689fdc9b/8bee757aa8c54e02b91a432b3ad90e62/FLAGbe84e53ab [2024-11-25 05:11:02,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/data/f689fdc9b/8bee757aa8c54e02b91a432b3ad90e62 [2024-11-25 05:11:02,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:11:02,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:11:02,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:11:02,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:11:02,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:11:02,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:02,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c855477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02, skipping insertion in model container [2024-11-25 05:11:02,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:02,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:11:02,900 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_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-11-25 05:11:02,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:11:02,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:11:02,963 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_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-11-25 05:11:02,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:11:02,989 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:11:02,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02 WrapperNode [2024-11-25 05:11:02,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:11:02,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:11:02,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:11:02,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:11:02,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,034 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 86 [2024-11-25 05:11:03,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:11:03,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:11:03,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:11:03,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:11:03,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:11:03,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:11:03,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:11:03,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:11:03,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:02" (1/1) ... [2024-11-25 05:11:03,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:11:03,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:11:03,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:11:03,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:11:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:11:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:11:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:11:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:11:03,217 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:11:03,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:11:04,230 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 05:11:04,231 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:11:04,268 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:11:04,268 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:11:04,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:04 BoogieIcfgContainer [2024-11-25 05:11:04,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:11:04,270 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:11:04,270 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:11:04,282 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:11:04,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:04" (1/1) ... [2024-11-25 05:11:04,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:11:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 05:11:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 05:11:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:11:04,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:04,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:04,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:04,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:04,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:11:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:04,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:04,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 05:11:04,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:11:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:11:04,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:11:04,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:11:05,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 05:11:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 05:11:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:11:05,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:05,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:05,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:05,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:05,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:11:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:05,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:05,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:11:05,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:11:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:11:05,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 05:11:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:11:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 05:11:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 05:11:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:11:05,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:11:05,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:11:05,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:11:05,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:11:05,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 05:11:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:05,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:11:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:11:07,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 05:11:07,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:12:19,704 WARN L286 SmtUtils]: Spent 34.39s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:12:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:12:22,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 05:13:17,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:14:41,765 WARN L286 SmtUtils]: Spent 34.89s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:14:48,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:14:51,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:15:01,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:15:04,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:15:06,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:15:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-11-25 05:15:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-25 05:15:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:15:06,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:06,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:15:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:15:06,239 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:15:06,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 05:15:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:06,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:15:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:06,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 05:15:06,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:15:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:15:08,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 05:15:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2024-11-25 05:15:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2024-11-25 05:15:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:15:27,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:27,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:15:27,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:15:27,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:15:27,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 05:15:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:27,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:15:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:28,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 05:15:28,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:16:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:16:23,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 05:16:29,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:16:31,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:16:33,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 05:16:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-11-25 05:16:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 05:16:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 05:16:33,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:33,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:16:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:16:33,842 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:16:33,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 05:16:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:34,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:16:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:16:44,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 05:16:44,508 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:16:44,512 INFO L158 Benchmark]: Toolchain (without parser) took 341828.51ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 29.2MB in the end (delta: 31.0MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-25 05:16:44,512 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:16:44,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.22ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 48.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:16:44,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.87ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 47.2MB in the end (delta: 960.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:16:44,514 INFO L158 Benchmark]: Boogie Preprocessor took 45.24ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 46.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:16:44,514 INFO L158 Benchmark]: RCFGBuilder took 1187.83ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 32.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:16:44,515 INFO L158 Benchmark]: CodeCheck took 340241.58ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 29.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-25 05:16:44,518 INFO L338 ainManager$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 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.22ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 48.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.87ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 47.2MB in the end (delta: 960.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.24ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 46.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1187.83ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 32.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 340241.58ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 29.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:16:44,733 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 05:16:44,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6aae5e2-d0b6-4d6c-acfb-b803b522f254/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown