./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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:39:44,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:39:44,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:39:44,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:39:44,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:39:44,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:39:44,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:39:44,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:39:44,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:39:44,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:39:44,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:39:44,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:39:44,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:39:44,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:39:44,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:39:44,779 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:39:44,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:39:44,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:39:44,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:39:44,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:39:44,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:39:44,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:39:44,780 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:39:44,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:39:44,780 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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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 -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2024-12-06 00:39:44,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:39:44,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:39:44,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:39:44,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:39:44,987 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:39:44,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-12-06 00:39:47,601 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/33d2e4cb1/6112656cc68841ccab8bb195080cc5fa/FLAG751e24d33 [2024-12-06 00:39:47,800 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:39:47,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-12-06 00:39:47,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/33d2e4cb1/6112656cc68841ccab8bb195080cc5fa/FLAG751e24d33 [2024-12-06 00:39:48,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/33d2e4cb1/6112656cc68841ccab8bb195080cc5fa [2024-12-06 00:39:48,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:39:48,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:39:48,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:39:48,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:39:48,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:39:48,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e226f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48, skipping insertion in model container [2024-12-06 00:39:48,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:39:48,315 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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-12-06 00:39:48,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:39:48,330 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:39:48,344 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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-12-06 00:39:48,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:39:48,359 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:39:48,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48 WrapperNode [2024-12-06 00:39:48,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:39:48,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:39:48,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:39:48,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:39:48,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,386 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2024-12-06 00:39:48,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:39:48,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:39:48,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:39:48,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:39:48,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,397 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:39:48,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:39:48,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:39:48,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:39:48,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:39:48,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:39:48,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:39:48,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:39:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:39:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:39:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:39:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:39:48,512 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:39:48,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:39:48,621 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-06 00:39:48,622 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:39:48,653 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:39:48,653 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:39:48,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:39:48 BoogieIcfgContainer [2024-12-06 00:39:48,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:39:48,654 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:39:48,654 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:39:48,663 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:39:48,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:39:48" (1/1) ... [2024-12-06 00:39:48,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:39:48,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 00:39:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 00:39:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:39:48,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:39:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 00:39:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 00:39:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:39:48,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:39:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-06 00:39:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 00:39:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:39:49,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:49,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:39:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:39:49,065 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:39:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:39:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:39:49,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:39:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:39:49,128 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 00:39:49,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:39:49 ImpRootNode [2024-12-06 00:39:49,151 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:39:49,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:39:49,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:39:49,152 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:39:49,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:39:48" (3/4) ... [2024-12-06 00:39:49,155 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:39:49,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:39:49,156 INFO L158 Benchmark]: Toolchain (without parser) took 987.27ms. Allocated memory is still 142.6MB. Free memory was 119.8MB in the beginning and 69.1MB in the end (delta: 50.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 00:39:49,157 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:39:49,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.19ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:39:49,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.97ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:39:49,158 INFO L158 Benchmark]: Boogie Preprocessor took 15.21ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.3MB in the end (delta: 724.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:39:49,158 INFO L158 Benchmark]: RCFGBuilder took 251.15ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 94.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:39:49,158 INFO L158 Benchmark]: CodeCheck took 496.80ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 69.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:39:49,159 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 69.3MB in the beginning and 69.1MB in the end (delta: 232.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:39:49,161 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: 0.4s, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s 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 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.19ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.97ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.21ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.3MB in the end (delta: 724.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 251.15ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 94.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 496.80ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 69.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 69.3MB in the beginning and 69.1MB in the end (delta: 232.5kB). 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 00:39:49,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:39:51,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:39:51,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:39:51,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:39:51,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:39:51,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:39:51,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:39:51,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:39:51,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:39:51,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:39:51,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:39:51,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:39:51,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:39:51,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:39:51,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:39:51,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:39:51,204 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:39:51,204 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:51,204 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:39:51,204 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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/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 -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2024-12-06 00:39:51,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:39:51,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:39:51,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:39:51,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:39:51,432 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:39:51,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-12-06 00:39:54,113 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/5df2c48ed/035ae25afd034682bd57bbf655724f8a/FLAG74769b8ca [2024-12-06 00:39:54,274 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:39:54,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2024-12-06 00:39:54,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/5df2c48ed/035ae25afd034682bd57bbf655724f8a/FLAG74769b8ca [2024-12-06 00:39:54,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/data/5df2c48ed/035ae25afd034682bd57bbf655724f8a [2024-12-06 00:39:54,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:39:54,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:39:54,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:39:54,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:39:54,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:39:54,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6417fc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54, skipping insertion in model container [2024-12-06 00:39:54,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:39:54,436 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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-12-06 00:39:54,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:39:54,455 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:39:54,467 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_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2024-12-06 00:39:54,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:39:54,481 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:39:54,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54 WrapperNode [2024-12-06 00:39:54,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:39:54,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:39:54,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:39:54,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:39:54,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,509 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 86 [2024-12-06 00:39:54,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:39:54,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:39:54,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:39:54,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:39:54,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,525 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:39:54,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:39:54,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:39:54,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:39:54,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:39:54" (1/1) ... [2024-12-06 00:39:54,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:39:54,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:39:54,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:39:54,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:39:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:39:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:39:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:39:54,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:39:54,633 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:39:54,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:39:55,451 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 00:39:55,451 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:39:55,473 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:39:55,473 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:39:55,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:39:55 BoogieIcfgContainer [2024-12-06 00:39:55,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:39:55,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:39:55,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:39:55,481 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:39:55,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:39:55" (1/1) ... [2024-12-06 00:39:55,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:39:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 00:39:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 00:39:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:39:55,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:55,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:55,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:55,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:55,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:39:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:55,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:55,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:39:55,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:55,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:39:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 00:39:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 00:39:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:39:55,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:55,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:55,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:55,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:55,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:39:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:56,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:56,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:39:56,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:39:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:39:56,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:39:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:39:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 00:39:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 00:39:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:39:56,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:39:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:39:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:39:56,275 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:39:56,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:39:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:56,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:39:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:39:57,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:39:57,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:40:54,595 WARN L286 SmtUtils]: Spent 28.27s 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) [2024-12-06 00:40:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:40:56,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 00:42:42,089 WARN L286 SmtUtils]: Spent 32.94s 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) [2024-12-06 00:42:45,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:42:50,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:42:59,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:43:02,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:43:05,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:43:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-12-06 00:43:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-12-06 00:43:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:43:05,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:05,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:05,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:05,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:05,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:43:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:05,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:05,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:43:05,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:43:08,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:08,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 00:43:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2024-12-06 00:43:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2024-12-06 00:43:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:43:25,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:25,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:25,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:25,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:43:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:25,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:43:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:26,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:43:26,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:17,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 00:44:25,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:44:27,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:44:28,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:44:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 00:44:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 00:44:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:44:28,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:28,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:28,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:28,951 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:28,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:44:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:29,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:44:39,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:44:39,501 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 00:44:39,505 INFO L158 Benchmark]: Toolchain (without parser) took 285207.78ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 48.8MB in the end (delta: 21.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-12-06 00:44:39,505 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:39,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.41ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:39,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.87ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:39,506 INFO L158 Benchmark]: Boogie Preprocessor took 21.19ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.6MB in the end (delta: 965.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:39,506 INFO L158 Benchmark]: RCFGBuilder took 941.93ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 42.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:39,506 INFO L158 Benchmark]: CodeCheck took 284029.92ms. Allocated memory is still 92.3MB. Free memory was 42.8MB in the beginning and 48.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:39,508 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.41ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.87ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.19ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.6MB in the end (delta: 965.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 941.93ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 42.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 284029.92ms. Allocated memory is still 92.3MB. Free memory was 42.8MB in the beginning and 48.8MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:44:39,714 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:44:39,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b54cf6c-1de5-4ced-be17-7370bb1abe8a/bin/ukojak-verify-CZk0znPC7b/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