./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b --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 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:04:28,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:04:28,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:04:28,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:04:28,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:04:28,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:04:28,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:04:28,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:04:28,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:04:28,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:04:28,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:04:28,391 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:04:28,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:04:28,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:04:28,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:04:28,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:04:28,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:04:28,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:28,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:04:28,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:04:28,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:04:28,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:04:28,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:04:28,393 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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b 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 -> 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 [2024-12-06 05:04:28,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:04:28,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:04:28,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:04:28,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:04:28,626 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:04:28,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2024-12-06 05:04:31,331 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/ea313a76b/e4ba124904c84564b57f4145c2eeb4cd/FLAG96af42603 [2024-12-06 05:04:31,534 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:04:31,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2024-12-06 05:04:31,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/ea313a76b/e4ba124904c84564b57f4145c2eeb4cd/FLAG96af42603 [2024-12-06 05:04:31,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/ea313a76b/e4ba124904c84564b57f4145c2eeb4cd [2024-12-06 05:04:31,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:04:31,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:04:31,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:31,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:04:31,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:04:31,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685e81f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31, skipping insertion in model container [2024-12-06 05:04:31,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:31,679 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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-12-06 05:04:31,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:31,700 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:04:31,707 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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-12-06 05:04:31,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:31,721 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:04:31,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31 WrapperNode [2024-12-06 05:04:31,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:31,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:31,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:04:31,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:04:31,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,743 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-06 05:04:31,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:31,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:04:31,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:04:31,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:04:31,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,754 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:04:31,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:04:31,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:04:31,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:04:31,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:31,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:04:31,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:04:31,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:04:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:04:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:04:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:04:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:04:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:04:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:04:31,850 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:04:31,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:04:31,939 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 05:04:31,939 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:04:31,963 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:04:31,963 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:04:31,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:31 BoogieIcfgContainer [2024-12-06 05:04:31,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:04:31,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:04:31,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:04:31,971 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:04:31,972 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:31" (1/1) ... [2024-12-06 05:04:31,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:04:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 05:04:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 05:04:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:04:32,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:32,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:04:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:04:32,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:32,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 05:04:32,142 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 05:04:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:04:32,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:04:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:32,168 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:32,218 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:32,243 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:04:32,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:04:32 ImpRootNode [2024-12-06 05:04:32,263 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:04:32,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:04:32,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:04:32,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:04:32,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:31" (3/4) ... [2024-12-06 05:04:32,267 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:04:32,268 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:04:32,269 INFO L158 Benchmark]: Toolchain (without parser) took 712.33ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 76.2MB in the end (delta: 40.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:04:32,269 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:32,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.16ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 105.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:32,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.84ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:32,270 INFO L158 Benchmark]: Boogie Preprocessor took 16.03ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 836.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:32,271 INFO L158 Benchmark]: RCFGBuilder took 202.51ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 92.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:32,271 INFO L158 Benchmark]: CodeCheck took 299.44ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 76.4MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:32,271 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 76.2MB in the end (delta: 191.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:32,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: 13]: 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 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 22, overapproximation of someBinaryDOUBLEComparisonOperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 26. Possible FailurePath: [L20] float x = __VERIFIER_nondet_float() ; [L21] CALL assume_abort_if_not(x > -1.0) VAL [\old(cond)=1] [L11] COND FALSE !(!cond) [L21] RET assume_abort_if_not(x > -1.0) [L22] CALL assume_abort_if_not(x < 1.0) VAL [\old(cond)=1] [L11] COND FALSE !(!cond) [L22] RET assume_abort_if_not(x < 1.0) [L23] float exp = 1.0 ; [L24] float term = 1.0 ; [L25] unsigned int count = 1 ; [L26] float result = 2*(1/(1-x)) ; [L27] int temp ; VAL [count=1] [L31] term = term * (x/count) [L32] exp = exp + term [L33] count++ [L35] temp = __VERIFIER_nondet_int() [L36] COND TRUE temp ==0 VAL [count=2] [L39] CALL __VERIFIER_assert( result >= exp ) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.16ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 105.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.84ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.03ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 836.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 202.51ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 92.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 299.44ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 76.4MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 76.2MB in the end (delta: 191.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:04:32,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b --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 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:04:34,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:04:34,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:04:34,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:04:34,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:04:34,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:04:34,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:04:34,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:04:34,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:04:34,316 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:04:34,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:04:34,317 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:04:34,318 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:34,318 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:04:34,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:04:34,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:34,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:04:34,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:04:34,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:04:34,318 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:04:34,318 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:34,319 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:04:34,319 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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b 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 -> 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 [2024-12-06 05:04:34,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:04:34,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:04:34,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:04:34,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:04:34,554 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:04:34,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2024-12-06 05:04:37,209 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/0b7dd086d/5b7220db6cf64bdab19c8e55403593eb/FLAGf1ba8598c [2024-12-06 05:04:37,374 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:04:37,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2024-12-06 05:04:37,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/0b7dd086d/5b7220db6cf64bdab19c8e55403593eb/FLAGf1ba8598c [2024-12-06 05:04:37,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/data/0b7dd086d/5b7220db6cf64bdab19c8e55403593eb [2024-12-06 05:04:37,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:04:37,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:04:37,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:37,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:04:37,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:04:37,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636ceae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37, skipping insertion in model container [2024-12-06 05:04:37,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,791 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:37,888 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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-12-06 05:04:37,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:37,910 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:04:37,917 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_be9a6a1e-57bb-400a-80fb-2e64d58262b4/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-12-06 05:04:37,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:37,932 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:04:37,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37 WrapperNode [2024-12-06 05:04:37,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:37,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:37,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:04:37,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:04:37,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,956 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-06 05:04:37,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:37,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:04:37,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:04:37,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:04:37,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:04:37,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:04:37,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:04:37,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:04:37,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:37" (1/1) ... [2024-12-06 05:04:37,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:37,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:04:38,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:04:38,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:04:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:04:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:04:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:04:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:04:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:04:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:04:38,079 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:04:38,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:04:45,919 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 05:04:45,919 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:04:45,949 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:04:45,949 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:04:45,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:45 BoogieIcfgContainer [2024-12-06 05:04:45,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:04:45,950 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:04:45,950 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:04:45,958 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:04:45,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:45" (1/1) ... [2024-12-06 05:04:45,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:04:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 05:04:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 05:04:46,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:04:46,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:46,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:46,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:04:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:46,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:46,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:04:46,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:46,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:04:46,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:04:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:46,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 05:04:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 05:04:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:04:46,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:46,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:46,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:46,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:46,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:04:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:46,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:04:57,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:04:57,228 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) [2024-12-06 05:04:57,232 INFO L158 Benchmark]: Toolchain (without parser) took 19454.98ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 60.5MB in the end (delta: 9.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 05:04:57,232 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:57,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.30ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:57,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.57ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:57,233 INFO L158 Benchmark]: Boogie Preprocessor took 20.49ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:57,234 INFO L158 Benchmark]: RCFGBuilder took 7971.63ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 44.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:04:57,234 INFO L158 Benchmark]: CodeCheck took 11280.49ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 60.5MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:57,236 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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.30ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.57ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.49ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 7971.63ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 44.8MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11280.49ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 60.5MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:04:57,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be9a6a1e-57bb-400a-80fb-2e64d58262b4/bin/ukojak-verify-CZk0znPC7b/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