./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/bound-grocery.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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/bound-grocery.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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 3d98f9912f2edd7d39da105bd0d4d0aa0050c2422dc467789771f1f7cd0212f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:07:23,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:07:23,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:07:23,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:07:23,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:07:23,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:07:23,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:07:23,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:07:23,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:07:23,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:07:23,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:07:23,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:07:23,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:07:23,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:07:23,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:07:23,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:07:23,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:07:23,558 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:07:23,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:07:23,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:07:23,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:07:23,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:07:23,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:07:23,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:07:23,559 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:07:23,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:07:23,559 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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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 -> 3d98f9912f2edd7d39da105bd0d4d0aa0050c2422dc467789771f1f7cd0212f6 [2024-12-06 03:07:23,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:07:23,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:07:23,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:07:23,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:07:23,776 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:07:23,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-nonlinear/bound-grocery.c [2024-12-06 03:07:26,442 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/2b10d1f81/75b5325346854418820052e77fb36dcc/FLAG594e8a9c0 [2024-12-06 03:07:26,631 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:07:26,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/sv-benchmarks/c/floats-nonlinear/bound-grocery.c [2024-12-06 03:07:26,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/2b10d1f81/75b5325346854418820052e77fb36dcc/FLAG594e8a9c0 [2024-12-06 03:07:26,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/2b10d1f81/75b5325346854418820052e77fb36dcc [2024-12-06 03:07:26,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:07:26,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:07:26,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:07:26,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:07:26,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:07:26,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23570f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26, skipping insertion in model container [2024-12-06 03:07:26,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:07:26,813 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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/sv-benchmarks/c/floats-nonlinear/bound-grocery.c[616,629] [2024-12-06 03:07:26,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:07:26,836 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:07:26,846 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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/sv-benchmarks/c/floats-nonlinear/bound-grocery.c[616,629] [2024-12-06 03:07:26,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:07:26,864 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:07:26,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26 WrapperNode [2024-12-06 03:07:26,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:07:26,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:07:26,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:07:26,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:07:26,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,893 INFO L138 Inliner]: procedures = 15, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-12-06 03:07:26,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:07:26,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:07:26,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:07:26,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:07:26,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,905 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:07:26,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:07:26,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:07:26,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:07:26,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:26" (1/1) ... [2024-12-06 03:07:26,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:07:26,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:07:26,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:07:26,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:07:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:07:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:07:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure check_domain [2024-12-06 03:07:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure check_domain [2024-12-06 03:07:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:07:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:07:27,030 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:07:27,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:07:27,160 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 03:07:27,160 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:07:27,203 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:07:27,203 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:07:27,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:07:27 BoogieIcfgContainer [2024-12-06 03:07:27,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:07:27,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:07:27,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:07:27,214 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:07:27,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:07:27" (1/1) ... [2024-12-06 03:07:27,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:07:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-12-06 03:07:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-12-06 03:07:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:07:27,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:07:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:27,492 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 03:07:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-12-06 03:07:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 03:07:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:07:27,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:27,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:07:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:27,610 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 03:07:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-12-06 03:07:27,639 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-12-06 03:07:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:07:27,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:27,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:07:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:07:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-12-06 03:07:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-12-06 03:07:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:07:27,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:27,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:07:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:07:27,763 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:07:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:07:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:07:27,840 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:07:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:07:27,876 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-12-06 03:07:27,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:07:27 ImpRootNode [2024-12-06 03:07:27,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:07:27,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:07:27,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:07:27,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:07:27,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:07:27" (3/4) ... [2024-12-06 03:07:27,904 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:07:27,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:07:27,906 INFO L158 Benchmark]: Toolchain (without parser) took 1245.77ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 110.0MB in the end (delta: 6.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-12-06 03:07:27,906 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:07:27,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.35ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:07:27,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.35ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:07:27,907 INFO L158 Benchmark]: Boogie Preprocessor took 16.72ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 893.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:07:27,907 INFO L158 Benchmark]: RCFGBuilder took 292.71ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 89.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:07:27,907 INFO L158 Benchmark]: CodeCheck took 695.68ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 110.1MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:07:27,908 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 110.0MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:07:27,910 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 60 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 316 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, 0.2s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 8/8 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: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 26, overapproximation of someBinaryDOUBLEComparisonOperation at line 33. Possible FailurePath: [L40] double x, y, z, w; [L41] x = __VERIFIER_nondet_double() [L42] y = __VERIFIER_nondet_double() [L43] z = __VERIFIER_nondet_double() [L44] w = __VERIFIER_nondet_double() [L45] CALL, EXPR solve(x, y, z, w) [L30] CALL, EXPR check_domain(item1) VAL [\old(x)=2] [L26] COND TRUE x >= 0.0 && x <= 711.0 [L26] return 1; [L30] RET, EXPR check_domain(item1) VAL [item1=2] [L30] EXPR check_domain(item1) && check_domain(item2) VAL [item1=2] [L30] CALL, EXPR check_domain(item2) VAL [\old(x)=3] [L26] COND TRUE x >= 0.0 && x <= 711.0 [L26] return 1; [L30] RET, EXPR check_domain(item2) VAL [item1=2, item2=3] [L30] EXPR check_domain(item1) && check_domain(item2) VAL [item1=2, item2=3] [L30] EXPR check_domain(item1) && check_domain(item2) && check_domain(item3) VAL [item1=2, item2=3] [L30] CALL, EXPR check_domain(item3) VAL [\old(x)=4] [L26] COND TRUE x >= 0.0 && x <= 711.0 [L26] return 1; [L30] RET, EXPR check_domain(item3) VAL [item1=2, item2=3, item3=4] [L30] EXPR check_domain(item1) && check_domain(item2) && check_domain(item3) VAL [item1=2, item2=3, item3=4] [L30-L31] EXPR check_domain(item1) && check_domain(item2) && check_domain(item3) && check_domain(item4) VAL [item1=2, item2=3, item3=4] [L31] CALL, EXPR check_domain(item4) VAL [\old(x)=5] [L26] COND TRUE x >= 0.0 && x <= 711.0 [L26] return 1; [L31] RET, EXPR check_domain(item4) VAL [item1=2, item2=3, item3=4, item4=5] [L30-L31] EXPR check_domain(item1) && check_domain(item2) && check_domain(item3) && check_domain(item4) VAL [item1=2, item2=3, item3=4, item4=5] [L30-L33] COND TRUE check_domain(item1) && check_domain(item2) && check_domain(item3) && check_domain(item4) && item1 + item2 + item3 + item4 == 711.0 && (item1 + 0.0) * item2 * item3 * item4 == 711.0 * 100 * 100 * 100 && item1 <= item2 && item2 <= item3 && item3 <= item4 [L34] return 1; [L45] RET, EXPR solve(x, y, z, w) [L45] CALL __VERIFIER_assert(!solve(x, y, z, w)) [L16] COND TRUE !(cond) [L18] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.35ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.35ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.72ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.5MB in the end (delta: 893.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 292.71ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 89.8MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 695.68ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 110.1MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 110.0MB in the end (delta: 15.8kB). 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 03:07:27,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/bound-grocery.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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 3d98f9912f2edd7d39da105bd0d4d0aa0050c2422dc467789771f1f7cd0212f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:07:29,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:07:29,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:07:29,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:07:29,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:07:29,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:07:29,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:07:29,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:07:29,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:07:29,975 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:07:29,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:29,976 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:07:29,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:07:29,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:07:29,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:07:29,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:07:29,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:07:29,977 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:07:29,977 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:29,977 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:07:29,977 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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/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 -> 3d98f9912f2edd7d39da105bd0d4d0aa0050c2422dc467789771f1f7cd0212f6 [2024-12-06 03:07:30,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:07:30,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:07:30,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:07:30,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:07:30,218 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:07:30,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-nonlinear/bound-grocery.c [2024-12-06 03:07:32,939 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/7126ddd66/b004fc35672b4104bf5a8b8d717243e0/FLAG5676f7aa3 [2024-12-06 03:07:33,124 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:07:33,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/sv-benchmarks/c/floats-nonlinear/bound-grocery.c [2024-12-06 03:07:33,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/7126ddd66/b004fc35672b4104bf5a8b8d717243e0/FLAG5676f7aa3 [2024-12-06 03:07:33,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/data/7126ddd66/b004fc35672b4104bf5a8b8d717243e0 [2024-12-06 03:07:33,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:07:33,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:07:33,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:07:33,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:07:33,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:07:33,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b089cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33, skipping insertion in model container [2024-12-06 03:07:33,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:07:33,296 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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/sv-benchmarks/c/floats-nonlinear/bound-grocery.c[616,629] [2024-12-06 03:07:33,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:07:33,323 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:07:33,333 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_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/sv-benchmarks/c/floats-nonlinear/bound-grocery.c[616,629] [2024-12-06 03:07:33,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:07:33,352 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:07:33,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33 WrapperNode [2024-12-06 03:07:33,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:07:33,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:07:33,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:07:33,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:07:33,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,383 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-12-06 03:07:33,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:07:33,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:07:33,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:07:33,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:07:33,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,399 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:07:33,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:07:33,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:07:33,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:07:33,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:07:33" (1/1) ... [2024-12-06 03:07:33,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:07:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:07:33,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:07:33,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:07:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:07:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:07:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure check_domain [2024-12-06 03:07:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure check_domain [2024-12-06 03:07:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:07:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:07:33,516 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:07:33,518 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:07:53,884 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-06 03:07:53,885 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:07:53,929 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:07:53,929 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:07:53,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:07:53 BoogieIcfgContainer [2024-12-06 03:07:53,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:07:53,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:07:53,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:07:53,937 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:07:53,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:07:53" (1/1) ... [2024-12-06 03:07:53,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:07:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-12-06 03:07:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-12-06 03:07:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:07:53,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:53,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:07:53,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:07:53,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:07:53,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:07:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:54,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:07:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:54,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:07:54,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:54,657 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 03:07:54,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:08:05,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:08:15,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:08:25,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:08:35,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:08:45,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:08:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2024-12-06 03:08:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-12-06 03:08:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:08:45,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:45,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:45,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:45,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:08:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:45,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:46,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:08:46,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:08:46,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:08:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 03:08:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 03:08:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:08:46,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:46,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:46,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:46,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:46,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:08:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:46,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:46,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:08:46,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:08:47,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:08:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-12-06 03:08:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-06 03:08:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:08:47,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:47,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:47,434 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:47,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc4f8b8-1d71-43a1-b114-b1481c21d0e9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:10:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:10:04,165 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:11:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat