./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd --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 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:31:37,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:31:37,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:31:37,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:31:37,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:31:37,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:31:37,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:31:37,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:31:37,654 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:31:37,654 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:31:37,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:31:37,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:31:37,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:31:37,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:31:37,656 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:31:37,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:31:37,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:31:37,656 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:31:37,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:31:37,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:31:37,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:31:37,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:31:37,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:31:37,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:31:37,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:31:37,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:31:37,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:31:37,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:31:37,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:31:37,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:31:37,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:31:37,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:31:37,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:31:37,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:31:37,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:31:37,662 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_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd 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 -> 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e [2024-11-13 16:31:38,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:31:38,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:31:38,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:31:38,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:31:38,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:31:38,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c Unable to find full path for "g++" [2024-11-13 16:31:40,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:31:40,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:31:40,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2024-11-13 16:31:40,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data/f3c012c13/ad331f557733426db276758b8cbddfa8/FLAGf9efb3c40 [2024-11-13 16:31:40,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data/f3c012c13/ad331f557733426db276758b8cbddfa8 [2024-11-13 16:31:40,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:31:40,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:31:40,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:31:40,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:31:40,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:31:40,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:31:40" (1/1) ... [2024-11-13 16:31:40,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b703f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:40, skipping insertion in model container [2024-11-13 16:31:40,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:31:40" (1/1) ... [2024-11-13 16:31:40,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:31:41,177 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_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c[2700,2713] [2024-11-13 16:31:41,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:31:41,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:31:41,241 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_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c[2700,2713] [2024-11-13 16:31:41,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:31:41,272 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:31:41,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41 WrapperNode [2024-11-13 16:31:41,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:31:41,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:31:41,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:31:41,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:31:41,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,354 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 231 [2024-11-13 16:31:41,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:31:41,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:31:41,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:31:41,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:31:41,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,389 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 5, 2, 2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 0, 1, 1, 1, 1]. [2024-11-13 16:31:41,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:31:41,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:31:41,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:31:41,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:31:41,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (1/1) ... [2024-11-13 16:31:41,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:31:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:31:41,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:31:41,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:31:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:31:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:31:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:31:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:31:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 16:31:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 16:31:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 16:31:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:31:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:31:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:31:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 16:31:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 16:31:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 16:31:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 16:31:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 16:31:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 16:31:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 16:31:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 16:31:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 16:31:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 16:31:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 16:31:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 16:31:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 16:31:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 16:31:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 16:31:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 16:31:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:31:41,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:31:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:31:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:31:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 16:31:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 16:31:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 16:31:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 16:31:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 16:31:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 16:31:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 16:31:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 16:31:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 16:31:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-13 16:31:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:31:41,726 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:31:41,728 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:31:42,279 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-13 16:31:42,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:31:42,294 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:31:42,295 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 16:31:42,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:31:42 BoogieIcfgContainer [2024-11-13 16:31:42,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:31:42,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:31:42,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:31:42,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:31:42,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:31:40" (1/3) ... [2024-11-13 16:31:42,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b85cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:31:42, skipping insertion in model container [2024-11-13 16:31:42,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:41" (2/3) ... [2024-11-13 16:31:42,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b85cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:31:42, skipping insertion in model container [2024-11-13 16:31:42,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:31:42" (3/3) ... [2024-11-13 16:31:42,308 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121b.c [2024-11-13 16:31:42,329 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:31:42,331 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1121b.c that has 1 procedures, 74 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2024-11-13 16:31:42,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:31:42,427 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;@722c20c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:31:42,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:31:42,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 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) [2024-11-13 16:31:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:31:42,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:31:42,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:42,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:31:42,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:31:42,450 INFO L85 PathProgramCache]: Analyzing trace with hash -441927690, now seen corresponding path program 1 times [2024-11-13 16:31:42,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:31:42,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671394012] [2024-11-13 16:31:42,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:31:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:31:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:31:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:31:42,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:31:42,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671394012] [2024-11-13 16:31:42,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671394012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:31:42,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:31:42,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:31:42,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065405377] [2024-11-13 16:31:42,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:31:42,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:31:42,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:31:42,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:31:42,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:31:42,688 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-11-13 16:31:42,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:31:42,718 INFO L93 Difference]: Finished difference Result 146 states and 234 transitions. [2024-11-13 16:31:42,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:31:42,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) Word has length 12 [2024-11-13 16:31:42,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:31:42,730 INFO L225 Difference]: With dead ends: 146 [2024-11-13 16:31:42,730 INFO L226 Difference]: Without dead ends: 71 [2024-11-13 16:31:42,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:31:42,737 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:31:42,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:31:42,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-13 16:31:42,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-13 16:31:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4285714285714286) internal successors, (100), 70 states have internal predecessors, (100), 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) [2024-11-13 16:31:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2024-11-13 16:31:42,787 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 12 [2024-11-13 16:31:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:31:42,788 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2024-11-13 16:31:42,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2024-11-13 16:31:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2024-11-13 16:31:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:31:42,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:31:42,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:42,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:31:42,790 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:31:42,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:31:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash -2100665422, now seen corresponding path program 1 times [2024-11-13 16:31:42,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:31:42,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691334320] [2024-11-13 16:31:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:31:42,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:31:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:31:42,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:31:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:31:43,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:31:43,035 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:31:43,037 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:31:43,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:31:43,046 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 16:31:43,078 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:31:43,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:31:43 BoogieIcfgContainer [2024-11-13 16:31:43,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:31:43,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:31:43,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:31:43,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:31:43,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:31:42" (3/4) ... [2024-11-13 16:31:43,093 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:31:43,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:31:43,095 INFO L158 Benchmark]: Toolchain (without parser) took 2236.44ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 36.8MB in the end (delta: 69.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 16:31:43,096 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:31:43,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.81ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 93.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:31:43,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.53ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 90.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:31:43,098 INFO L158 Benchmark]: Boogie Preprocessor took 70.63ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:31:43,098 INFO L158 Benchmark]: RCFGBuilder took 868.97ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 65.0MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:31:43,100 INFO L158 Benchmark]: TraceAbstraction took 786.50ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 37.1MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:31:43,100 INFO L158 Benchmark]: Witness Printer took 8.66ms. Allocated memory is still 142.6MB. Free memory was 37.1MB in the beginning and 36.8MB in the end (delta: 309.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:31:43,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.81ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 93.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.53ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 90.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.63ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 88.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 868.97ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 65.0MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 786.50ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 37.1MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.66ms. Allocated memory is still 142.6MB. Free memory was 37.1MB in the beginning and 36.8MB in the end (delta: 309.3kB). 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: 124]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someUnaryFLOAToperation at line 119, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = -0.0f; [L120] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, one_fmod=1, x=4294967298, y=4294967299] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, hx=0, hy=0, one_fmod=1, sx=0, x=4294967298, y=4294967299] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, hx=0, hy=0, one_fmod=1, sx=0, x=4294967298, y=4294967299] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, one_fmod=1, sx=0, x=4294967298, y=4294967299] [L120] RET, EXPR fmod_float(x, y) [L120] float res = fmod_float(x, y); [L123] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [Zero_fmod={4:0}, \result=0, one_fmod=1] [L123] RET, EXPR isnan_float(res) [L123] COND TRUE !isnan_float(res) [L124] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 103 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:31:43,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 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_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd --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 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:31:46,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:31:46,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:31:46,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:31:46,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:31:46,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:31:46,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:31:46,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:31:46,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:31:46,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:31:46,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:31:46,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:31:46,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:31:46,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:31:46,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:31:46,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:31:46,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:31:46,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:31:46,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:31:46,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:31:46,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:31:46,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:31:46,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:31:46,593 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:31:46,593 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:31:46,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:31:46,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:31:46,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:31:46,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:31:46,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:31:46,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:31:46,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:31:46,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:31:46,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:31:46,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:31:46,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:31:46,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:31:46,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:31:46,594 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:31:46,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:31:46,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:31:46,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:31:46,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:31:46,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:31:46,596 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_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd 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 -> 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e [2024-11-13 16:31:47,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:31:47,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:31:47,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:31:47,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:31:47,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:31:47,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c Unable to find full path for "g++" [2024-11-13 16:31:49,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:31:49,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:31:49,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2024-11-13 16:31:49,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data/bba6e5613/7a51e9f40c4c4f3aadce1cf5c2058484/FLAG0bf4bb394 [2024-11-13 16:31:49,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/data/bba6e5613/7a51e9f40c4c4f3aadce1cf5c2058484 [2024-11-13 16:31:50,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:31:50,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:31:50,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:31:50,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:31:50,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:31:50,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:31:49" (1/1) ... [2024-11-13 16:31:50,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394c0dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50, skipping insertion in model container [2024-11-13 16:31:50,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:31:49" (1/1) ... [2024-11-13 16:31:50,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:31:50,298 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_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c[2700,2713] [2024-11-13 16:31:50,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:31:50,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:31:50,373 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_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c[2700,2713] [2024-11-13 16:31:50,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:31:50,402 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:31:50,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50 WrapperNode [2024-11-13 16:31:50,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:31:50,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:31:50,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:31:50,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:31:50,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,470 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 165 [2024-11-13 16:31:50,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:31:50,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:31:50,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:31:50,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:31:50,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,520 INFO L175 MemorySlicer]: Split 15 memory accesses to 6 slices as follows [2, 2, 2, 5, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0]. The 4 writes are split as follows [0, 1, 1, 0, 1, 1]. [2024-11-13 16:31:50,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:31:50,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:31:50,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:31:50,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:31:50,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (1/1) ... [2024-11-13 16:31:50,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:31:50,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:31:50,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:31:50,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:31:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:31:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 16:31:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 16:31:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 16:31:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 16:31:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 16:31:50,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 16:31:50,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 16:31:50,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:31:50,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 16:31:50,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:31:50,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:31:50,807 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:31:54,220 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-13 16:31:54,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:31:54,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:31:54,230 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-13 16:31:54,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:31:54 BoogieIcfgContainer [2024-11-13 16:31:54,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:31:54,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:31:54,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:31:54,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:31:54,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:31:49" (1/3) ... [2024-11-13 16:31:54,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a77b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:31:54, skipping insertion in model container [2024-11-13 16:31:54,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:31:50" (2/3) ... [2024-11-13 16:31:54,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a77b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:31:54, skipping insertion in model container [2024-11-13 16:31:54,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:31:54" (3/3) ... [2024-11-13 16:31:54,241 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121b.c [2024-11-13 16:31:54,277 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:31:54,279 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1121b.c that has 1 procedures, 40 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2024-11-13 16:31:54,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:31:54,347 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;@2f17f99a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:31:54,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:31:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 38 states have (on average 1.7894736842105263) internal successors, (68), 39 states have internal predecessors, (68), 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) [2024-11-13 16:31:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:31:54,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:31:54,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:54,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:31:54,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:31:54,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1384291699, now seen corresponding path program 1 times [2024-11-13 16:31:54,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:31:54,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366771782] [2024-11-13 16:31:54,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:31:54,377 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 [2024-11-13 16:31:54,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:31:54,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:31:54,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:31:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:31:54,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:31:54,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:31:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:31:54,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:31:54,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:31:54,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366771782] [2024-11-13 16:31:54,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366771782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:31:54,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:31:54,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:31:54,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371376466] [2024-11-13 16:31:54,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:31:54,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:31:54,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:31:54,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:31:54,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:31:54,807 INFO L87 Difference]: Start difference. First operand has 40 states, 38 states have (on average 1.7894736842105263) internal successors, (68), 39 states have internal predecessors, (68), 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-11-13 16:31:54,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:31:54,826 INFO L93 Difference]: Finished difference Result 78 states and 134 transitions. [2024-11-13 16:31:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:31:54,830 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) Word has length 10 [2024-11-13 16:31:54,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:31:54,838 INFO L225 Difference]: With dead ends: 78 [2024-11-13 16:31:54,838 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 16:31:54,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:31:54,846 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:31:54,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:31:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 16:31:54,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-13 16:31:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 36 states have internal predecessors, (52), 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) [2024-11-13 16:31:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2024-11-13 16:31:54,887 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 10 [2024-11-13 16:31:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:31:54,888 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2024-11-13 16:31:54,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-11-13 16:31:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-13 16:31:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 16:31:54,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:31:54,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:54,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:31:55,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:31:55,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:31:55,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:31:55,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1638660049, now seen corresponding path program 1 times [2024-11-13 16:31:55,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:31:55,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534918470] [2024-11-13 16:31:55,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:31:55,092 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 [2024-11-13 16:31:55,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:31:55,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:31:55,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 (3)] Waiting until timeout for monitored process [2024-11-13 16:31:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:31:55,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:31:55,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:31:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:31:57,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:31:57,393 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:31:57,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534918470] [2024-11-13 16:31:57,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534918470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:31:57,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:31:57,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:31:57,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407649838] [2024-11-13 16:31:57,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:31:57,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:31:57,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:31:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:31:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:31:57,396 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2024-11-13 16:31:59,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:31:59,879 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2024-11-13 16:31:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:31:59,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) Word has length 12 [2024-11-13 16:31:59,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:31:59,880 INFO L225 Difference]: With dead ends: 42 [2024-11-13 16:31:59,880 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 16:31:59,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:31:59,882 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 87 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:31:59,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 184 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 16:31:59,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 16:31:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-13 16:31:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 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) [2024-11-13 16:31:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-11-13 16:31:59,888 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 12 [2024-11-13 16:31:59,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:31:59,889 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-11-13 16:31:59,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2024-11-13 16:31:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-11-13 16:31:59,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:31:59,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:31:59,890 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:31:59,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:32:00,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:32:00,091 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:32:00,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:32:00,091 INFO L85 PathProgramCache]: Analyzing trace with hash 676437237, now seen corresponding path program 1 times [2024-11-13 16:32:00,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:32:00,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215517751] [2024-11-13 16:32:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:32:00,092 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 [2024-11-13 16:32:00,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:32:00,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:32:00,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 (4)] Waiting until timeout for monitored process [2024-11-13 16:32:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:00,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:32:00,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:32:00,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:32:00,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:32:00,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:32:00,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215517751] [2024-11-13 16:32:00,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215517751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:32:00,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:32:00,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:32:00,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624529429] [2024-11-13 16:32:00,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:32:00,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:32:00,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:32:00,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:32:00,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:32:00,465 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-13 16:32:00,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:32:00,591 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2024-11-13 16:32:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:32:00,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2024-11-13 16:32:00,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:32:00,592 INFO L225 Difference]: With dead ends: 37 [2024-11-13 16:32:00,592 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 16:32:00,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:32:00,593 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:32:00,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:32:00,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 16:32:00,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 16:32:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-13 16:32:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 16:32:00,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-13 16:32:00,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:32:00,595 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:32:00,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-13 16:32:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:32:00,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:32:00,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:32:00,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:32:00,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:32:00,807 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 16:32:00,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 16:32:00,918 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:32:00,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-13 16:32:00,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 16:32:00,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 16:32:00,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-13 16:32:00,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 16:32:00,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 16:32:00,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:32:00 BoogieIcfgContainer [2024-11-13 16:32:00,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:32:00,941 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:32:00,941 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:32:00,941 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:32:00,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:31:54" (3/4) ... [2024-11-13 16:32:00,945 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:32:00,953 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 16:32:00,953 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 16:32:00,953 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:32:00,954 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:32:01,056 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:32:01,057 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:32:01,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:32:01,058 INFO L158 Benchmark]: Toolchain (without parser) took 11055.29ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-13 16:32:01,058 INFO L158 Benchmark]: CDTParser took 4.50ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:32:01,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.14ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:32:01,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.19ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:32:01,059 INFO L158 Benchmark]: Boogie Preprocessor took 95.21ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 42.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:32:01,059 INFO L158 Benchmark]: RCFGBuilder took 3662.72ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 24.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:32:01,060 INFO L158 Benchmark]: TraceAbstraction took 6705.00ms. Allocated memory is still 83.9MB. Free memory was 23.6MB in the beginning and 51.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:32:01,060 INFO L158 Benchmark]: Witness Printer took 116.31ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 46.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:32:01,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.50ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.14ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.19ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.21ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 42.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3662.72ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 24.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6705.00ms. Allocated memory is still 83.9MB. Free memory was 23.6MB in the beginning and 51.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 116.31ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 46.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 124]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 108 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 2 QuantifiedInterpolants, 137 SizeOfPredicates, 4 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-13 16:32:01,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d4b07c6-2823-4a0c-b2f1-58a9e4ea9b56/bin/uautomizer-verify-qhAvR1uOyd/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 Result: TRUE