./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/bound-unbounded.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_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/bound-unbounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bec2e9751e2df1ae16c0bfc01d74099300bf8e7b5ac6e27896be9844889d78f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:12,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:12,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:30:12,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:12,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:12,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:12,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:12,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:12,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:30:12,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:30:12,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:12,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:12,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:12,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:12,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:12,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:12,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:30:12,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:12,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:30:12,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:12,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:12,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:30:12,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:12,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:30:12,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:12,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:30:12,272 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:12,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:12,272 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:12,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:12,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:12,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:12,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:12,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:12,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:12,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:12,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:12,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:12,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:12,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:12,275 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:30:12,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:30:12,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:30:12,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:30:12,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:12,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:12,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:12,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:12,276 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> 4bec2e9751e2df1ae16c0bfc01d74099300bf8e7b5ac6e27896be9844889d78f [2024-11-28 03:30:12,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:12,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:12,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:12,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:12,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:12,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-nonlinear/bound-unbounded.c [2024-11-28 03:30:15,761 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/f2c365ab7/441fa4187f3745979d77b9051b6df592/FLAG2d82589f1 [2024-11-28 03:30:16,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:16,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c [2024-11-28 03:30:16,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/f2c365ab7/441fa4187f3745979d77b9051b6df592/FLAG2d82589f1 [2024-11-28 03:30:16,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/f2c365ab7/441fa4187f3745979d77b9051b6df592 [2024-11-28 03:30:16,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:16,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:16,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:16,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:16,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:16,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264b83c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16, skipping insertion in model container [2024-11-28 03:30:16,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:16,257 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_813f0935-8e31-4517-ab01-3aa36c9b2950/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c[616,629] [2024-11-28 03:30:16,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:16,286 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:16,298 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_813f0935-8e31-4517-ab01-3aa36c9b2950/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c[616,629] [2024-11-28 03:30:16,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:16,320 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:16,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16 WrapperNode [2024-11-28 03:30:16,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:16,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:16,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:16,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:16,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,360 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-11-28 03:30:16,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:16,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:16,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:16,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:16,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,388 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:30:16,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:16,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:16,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:16,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:16,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (1/1) ... [2024-11-28 03:30:16,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:16,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:16,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:30:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:16,565 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:16,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:16,704 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-28 03:30:16,705 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:16,715 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:16,716 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:30:16,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:16 BoogieIcfgContainer [2024-11-28 03:30:16,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:16,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:16,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:16,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:16,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:16" (1/3) ... [2024-11-28 03:30:16,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0b98e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:16, skipping insertion in model container [2024-11-28 03:30:16,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:16" (2/3) ... [2024-11-28 03:30:16,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0b98e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:16, skipping insertion in model container [2024-11-28 03:30:16,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:16" (3/3) ... [2024-11-28 03:30:16,728 INFO L128 eAbstractionObserver]: Analyzing ICFG bound-unbounded.c [2024-11-28 03:30:16,747 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:16,750 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bound-unbounded.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:30:16,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:16,843 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36aac44a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:16,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:30:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:30:16,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:16,857 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:30:16,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:16,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:16,865 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-28 03:30:16,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:30:16,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322169069] [2024-11-28 03:30:16,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:16,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:30:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:16,978 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:30:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:17,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:30:17,009 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:30:17,011 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:30:17,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:30:17,018 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:30:17,042 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:30:17,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:30:17 BoogieIcfgContainer [2024-11-28 03:30:17,046 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:30:17,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:30:17,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:30:17,047 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:30:17,052 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:16" (3/4) ... [2024-11-28 03:30:17,055 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:30:17,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:30:17,058 INFO L158 Benchmark]: Toolchain (without parser) took 1014.16ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 58.1MB in the end (delta: 35.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:30:17,058 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:17,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.65ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:17,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.49ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:17,061 INFO L158 Benchmark]: Boogie Preprocessor took 43.00ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:17,062 INFO L158 Benchmark]: RCFGBuilder took 310.52ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.4MB in the end (delta: 8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:30:17,062 INFO L158 Benchmark]: TraceAbstraction took 327.49ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 58.4MB in the end (delta: 12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:17,062 INFO L158 Benchmark]: Witness Printer took 9.42ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 58.1MB in the end (delta: 269.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:17,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.65ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.49ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 81.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.00ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.52ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 71.4MB in the end (delta: 8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 327.49ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 58.4MB in the end (delta: 12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.42ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 58.1MB in the end (delta: 269.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: 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 28. Possible FailurePath: [L35] double x, y; [L36] x = __VERIFIER_nondet_double() [L37] y = __VERIFIER_nondet_double() [L38] CALL, EXPR solve(x, y) [L28] COND TRUE 200.0 * a + 150.0 * b <= 4000.0 && 100.0 * a + 250.0 * b >= 0.0 [L29] return 1; VAL [\result=1] [L38] RET, EXPR solve(x, y) [L38] CALL __VERIFIER_assert(!solve(x, y)) [L18] COND TRUE !(cond) [L20] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:30:17,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/bound-unbounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bec2e9751e2df1ae16c0bfc01d74099300bf8e7b5ac6e27896be9844889d78f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:30:19,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:30:20,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:30:20,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:30:20,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:30:20,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:30:20,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:30:20,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:30:20,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:30:20,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:30:20,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:30:20,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:30:20,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:30:20,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:30:20,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:30:20,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:30:20,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:30:20,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:30:20,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:30:20,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:30:20,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:30:20,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:30:20,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:30:20,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:30:20,080 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:30:20,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:30:20,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:30:20,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:30:20,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:30:20,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:30:20,081 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:30:20,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:20,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:20,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:20,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:20,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:30:20,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:30:20,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:30:20,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:30:20,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:20,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:30:20,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:30:20,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:30:20,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:30:20,084 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:30:20,084 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:30:20,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:30:20,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:30:20,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:30:20,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:30:20,085 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> 4bec2e9751e2df1ae16c0bfc01d74099300bf8e7b5ac6e27896be9844889d78f [2024-11-28 03:30:20,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:30:20,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:30:20,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:30:20,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:30:20,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:30:20,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-nonlinear/bound-unbounded.c [2024-11-28 03:30:23,603 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/ea2b04bd3/b216bb6a5ee54926b11ea1c93275f3a0/FLAG8f886a9f8 [2024-11-28 03:30:23,860 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:30:23,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c [2024-11-28 03:30:23,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/ea2b04bd3/b216bb6a5ee54926b11ea1c93275f3a0/FLAG8f886a9f8 [2024-11-28 03:30:23,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/data/ea2b04bd3/b216bb6a5ee54926b11ea1c93275f3a0 [2024-11-28 03:30:23,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:30:23,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:30:23,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:23,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:30:23,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:30:23,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:23" (1/1) ... [2024-11-28 03:30:23,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738f667f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:23, skipping insertion in model container [2024-11-28 03:30:23,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:30:23" (1/1) ... [2024-11-28 03:30:23,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:30:24,142 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_813f0935-8e31-4517-ab01-3aa36c9b2950/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c[616,629] [2024-11-28 03:30:24,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:24,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:30:24,191 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_813f0935-8e31-4517-ab01-3aa36c9b2950/sv-benchmarks/c/floats-nonlinear/bound-unbounded.c[616,629] [2024-11-28 03:30:24,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:30:24,222 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:30:24,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24 WrapperNode [2024-11-28 03:30:24,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:30:24,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:24,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:30:24,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:30:24,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,276 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2024-11-28 03:30:24,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:30:24,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:30:24,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:30:24,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:30:24,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,308 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:30:24,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:30:24,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:30:24,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:30:24,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:30:24,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (1/1) ... [2024-11-28 03:30:24,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:30:24,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:30:24,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:30:24,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:30:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:30:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:30:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:30:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:30:24,505 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:30:24,507 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:30:32,694 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-28 03:30:32,694 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:30:32,705 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:30:32,705 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:30:32,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:32 BoogieIcfgContainer [2024-11-28 03:30:32,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:30:32,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:30:32,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:30:32,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:30:32,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:30:23" (1/3) ... [2024-11-28 03:30:32,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253a5588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:32, skipping insertion in model container [2024-11-28 03:30:32,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:30:24" (2/3) ... [2024-11-28 03:30:32,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253a5588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:30:32, skipping insertion in model container [2024-11-28 03:30:32,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:32" (3/3) ... [2024-11-28 03:30:32,722 INFO L128 eAbstractionObserver]: Analyzing ICFG bound-unbounded.c [2024-11-28 03:30:32,737 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:30:32,739 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bound-unbounded.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:30:32,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:30:32,818 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b6c04c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:30:32,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:30:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:30:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:30:32,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:30:32,831 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:30:32,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:30:32,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:30:32,839 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-28 03:30:32,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:30:32,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087169296] [2024-11-28 03:30:32,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:30:32,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:32,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:30:32,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:30:32,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:30:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:33,493 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:30:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:30:34,020 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:30:34,022 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:30:34,023 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:30:34,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:30:34,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:30:34,228 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:30:34,241 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:30:34,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:30:34 BoogieIcfgContainer [2024-11-28 03:30:34,244 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:30:34,245 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:30:34,245 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:30:34,245 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:30:34,246 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:30:32" (3/4) ... [2024-11-28 03:30:34,247 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 03:30:34,283 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-28 03:30:34,336 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:30:34,338 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:30:34,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:30:34,339 INFO L158 Benchmark]: Toolchain (without parser) took 10433.88ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 54.1MB in the end (delta: 39.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 03:30:34,340 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:34,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.75ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:34,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.96ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:34,343 INFO L158 Benchmark]: Boogie Preprocessor took 59.20ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:34,343 INFO L158 Benchmark]: RCFGBuilder took 8368.28ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 69.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:30:34,343 INFO L158 Benchmark]: TraceAbstraction took 1534.66ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 58.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:30:34,344 INFO L158 Benchmark]: Witness Printer took 93.53ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 54.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:30:34,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.75ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.96ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.20ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 8368.28ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 69.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1534.66ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 58.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 93.53ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 54.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] double x, y; [L36] x = __VERIFIER_nondet_double() [L37] y = __VERIFIER_nondet_double() [L38] CALL, EXPR solve(x, y) [L28] COND TRUE 200.0 * a + 150.0 * b <= 4000.0 && 100.0 * a + 250.0 * b >= 0.0 [L29] return 1; VAL [\result=1] [L38] RET, EXPR solve(x, y) [L38] CALL __VERIFIER_assert(!solve(x, y)) [L18] COND TRUE !(cond) [L20] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:30:34,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_813f0935-8e31-4517-ab01-3aa36c9b2950/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE