./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.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_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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_49db5dea-db43-4afc-971f-d640daf555be/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 ccec72d1445b0e5a7d371146f8f1ae3659440ba0ebb02d40d87a31c04bfcf378 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:52:16,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:52:16,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:52:16,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:52:16,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:52:16,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:52:16,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:52:16,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:52:16,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:52:16,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:52:16,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:52:16,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:52:16,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:52:16,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:52:16,750 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:52:16,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:52:16,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:52:16,752 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:52:16,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:52:16,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:52:16,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:52:16,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:52:16,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:52:16,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:52:16,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:52:16,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:52:16,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:52:16,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:52:16,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:52:16,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:52:16,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:52:16,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:52:16,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:52:16,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:52:16,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:52:16,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:52:16,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:52:16,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:52:16,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:52:16,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:52:16,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:52:16,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:52:16,759 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_49db5dea-db43-4afc-971f-d640daf555be/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 -> ccec72d1445b0e5a7d371146f8f1ae3659440ba0ebb02d40d87a31c04bfcf378 [2024-11-13 13:52:17,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:52:17,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:52:17,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:52:17,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:52:17,155 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:52:17,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c Unable to find full path for "g++" [2024-11-13 13:52:19,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:52:19,790 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:52:19,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2024-11-13 13:52:19,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data/b8403a660/32a36687b0614253b00faea5d4bc154a/FLAGa01d399d1 [2024-11-13 13:52:19,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data/b8403a660/32a36687b0614253b00faea5d4bc154a [2024-11-13 13:52:19,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:52:19,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:52:19,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:52:19,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:52:19,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:52:19,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:52:19" (1/1) ... [2024-11-13 13:52:19,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fb92e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:19, skipping insertion in model container [2024-11-13 13:52:19,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:52:19" (1/1) ... [2024-11-13 13:52:19,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:52:20,131 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_49db5dea-db43-4afc-971f-d640daf555be/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2024-11-13 13:52:20,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:52:20,158 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:52:20,224 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_49db5dea-db43-4afc-971f-d640daf555be/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2024-11-13 13:52:20,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:52:20,252 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:52:20,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20 WrapperNode [2024-11-13 13:52:20,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:52:20,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:52:20,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:52:20,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:52:20,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,318 INFO L138 Inliner]: procedures = 18, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-11-13 13:52:20,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:52:20,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:52:20,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:52:20,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:52:20,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,355 INFO L175 MemorySlicer]: Split 23 memory accesses to 9 slices as follows [2, 2, 2, 2, 3, 4, 4, 2, 2]. 17 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 0, 0, 2, 2, 2, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 0, 0, 0, 1, 1]. [2024-11-13 13:52:20,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:52:20,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:52:20,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:52:20,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:52:20,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (1/1) ... [2024-11-13 13:52:20,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:52:20,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:20,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:52:20,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:52:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:52:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:52:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:52:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 13:52:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 13:52:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 13:52:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 13:52:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 13:52:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 13:52:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 13:52:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:52:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:52:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:52:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 13:52:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 13:52:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 13:52:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 13:52:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 13:52:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 13:52:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 13:52:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 13:52:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 13:52:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 13:52:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 13:52:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 13:52:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 13:52:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-13 13:52:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-13 13:52:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-13 13:52:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 13:52:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 13:52:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 13:52:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 13:52:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 13:52:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 13:52:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-13 13:52:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-13 13:52:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-13 13:52:20,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:52:20,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 13:52:20,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-13 13:52:20,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:52:20,729 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:52:20,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:52:20,987 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 13:52:20,987 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:52:20,998 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:52:20,998 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-13 13:52:20,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:20 BoogieIcfgContainer [2024-11-13 13:52:20,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:52:21,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:52:21,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:52:21,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:52:21,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:52:19" (1/3) ... [2024-11-13 13:52:21,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ac2f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:52:21, skipping insertion in model container [2024-11-13 13:52:21,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:20" (2/3) ... [2024-11-13 13:52:21,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ac2f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:52:21, skipping insertion in model container [2024-11-13 13:52:21,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:20" (3/3) ... [2024-11-13 13:52:21,012 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2024-11-13 13:52:21,030 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:52:21,034 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0832a.c that has 1 procedures, 34 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-13 13:52:21,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:52:21,125 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;@382c527d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:52:21,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:52:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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 13:52:21,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 13:52:21,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:21,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:21,138 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:52:21,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:21,144 INFO L85 PathProgramCache]: Analyzing trace with hash 324651751, now seen corresponding path program 1 times [2024-11-13 13:52:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:21,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428141864] [2024-11-13 13:52:21,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:21,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,400 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 13:52:21,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:21,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428141864] [2024-11-13 13:52:21,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428141864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:52:21,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:52:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:52:21,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343588371] [2024-11-13 13:52:21,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:52:21,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:52:21,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:21,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:52:21,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:52:21,452 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 13:52:21,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:21,474 INFO L93 Difference]: Finished difference Result 66 states and 106 transitions. [2024-11-13 13:52:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:52:21,478 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-13 13:52:21,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:21,487 INFO L225 Difference]: With dead ends: 66 [2024-11-13 13:52:21,487 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 13:52:21,492 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 13:52:21,498 INFO L432 NwaCegarLoop]: 43 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, 43 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 13:52:21,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:52:21,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 13:52:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 13:52:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 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 13:52:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2024-11-13 13:52:21,547 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 8 [2024-11-13 13:52:21,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:21,548 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-13 13:52:21,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 13:52:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-13 13:52:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:52:21,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:21,549 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:21,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:52:21,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:52:21,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:21,553 INFO L85 PathProgramCache]: Analyzing trace with hash 295406058, now seen corresponding path program 1 times [2024-11-13 13:52:21,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:21,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356485289] [2024-11-13 13:52:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:52:21,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:52:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:52:21,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:52:21,763 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:52:21,765 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:52:21,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:52:21,771 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:52:21,802 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:52:21,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:52:21 BoogieIcfgContainer [2024-11-13 13:52:21,812 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:52:21,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:52:21,813 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:52:21,813 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:52:21,814 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:20" (3/4) ... [2024-11-13 13:52:21,817 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:52:21,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:52:21,819 INFO L158 Benchmark]: Toolchain (without parser) took 1998.86ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 83.3MB in the end (delta: 8.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-13 13:52:21,819 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:52:21,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.65ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:52:21,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.24ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:52:21,820 INFO L158 Benchmark]: Boogie Preprocessor took 86.35ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:52:21,821 INFO L158 Benchmark]: RCFGBuilder took 592.08ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 59.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:52:21,821 INFO L158 Benchmark]: TraceAbstraction took 809.64ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 84.0MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:52:21,822 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.3MB in the end (delta: 709.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:52:21,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.65ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.24ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.35ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 74.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 592.08ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 59.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 809.64ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 84.0MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 83.3MB in the end (delta: 709.7kB). 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 123, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 52. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L119] float x = 0.0f; [L120] CALL, EXPR __ieee754_expf(x) [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2147483647, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0, xsb=0] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0, xsb=0] [L120] RET, EXPR __ieee754_expf(x) [L120] float res = __ieee754_expf(x); [L123] COND TRUE res != 1.0f VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L124] reach_error() VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 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, 43 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, 43 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=34occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 13:52:21,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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_49db5dea-db43-4afc-971f-d640daf555be/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 ccec72d1445b0e5a7d371146f8f1ae3659440ba0ebb02d40d87a31c04bfcf378 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:52:25,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:52:25,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:52:25,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:52:25,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:52:25,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:52:25,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:52:25,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:52:25,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:52:25,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:52:25,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:52:25,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:52:25,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:52:25,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:52:25,236 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:52:25,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:52:25,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:52:25,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:52:25,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:52:25,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:52:25,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:52:25,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:52:25,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:52:25,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:52:25,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:52:25,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:52:25,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:52:25,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:52:25,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:52:25,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:52:25,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:52:25,242 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:52:25,242 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:52:25,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:52:25,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:52:25,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:52:25,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:52:25,243 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_49db5dea-db43-4afc-971f-d640daf555be/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 -> ccec72d1445b0e5a7d371146f8f1ae3659440ba0ebb02d40d87a31c04bfcf378 [2024-11-13 13:52:25,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:52:25,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:52:25,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:52:25,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:52:25,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:52:25,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c Unable to find full path for "g++" [2024-11-13 13:52:27,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:52:28,161 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:52:28,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2024-11-13 13:52:28,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data/4e4a3578c/624a392c0cb24ba29347cb98607506c9/FLAG55f19e7b7 [2024-11-13 13:52:28,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/data/4e4a3578c/624a392c0cb24ba29347cb98607506c9 [2024-11-13 13:52:28,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:52:28,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:52:28,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:52:28,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:52:28,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:52:28,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a400c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28, skipping insertion in model container [2024-11-13 13:52:28,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:52:28,532 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_49db5dea-db43-4afc-971f-d640daf555be/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2024-11-13 13:52:28,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:52:28,565 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:52:28,624 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_49db5dea-db43-4afc-971f-d640daf555be/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c[3180,3193] [2024-11-13 13:52:28,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:52:28,658 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:52:28,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28 WrapperNode [2024-11-13 13:52:28,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:52:28,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:52:28,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:52:28,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:52:28,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,723 INFO L138 Inliner]: procedures = 21, calls = 42, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 159 [2024-11-13 13:52:28,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:52:28,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:52:28,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:52:28,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:52:28,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,764 INFO L175 MemorySlicer]: Split 23 memory accesses to 9 slices as follows [2, 2, 3, 4, 4, 2, 2, 2, 2]. 17 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 2, 2, 2, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 1, 1]. [2024-11-13 13:52:28,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:52:28,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:52:28,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:52:28,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:52:28,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (1/1) ... [2024-11-13 13:52:28,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:52:28,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:28,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:52:28,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:52:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:52:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 13:52:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 13:52:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 13:52:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 13:52:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 13:52:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 13:52:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 13:52:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 13:52:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 13:52:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:52:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 13:52:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 13:52:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 13:52:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 13:52:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 13:52:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 13:52:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:52:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-13 13:52:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-13 13:52:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-13 13:52:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 13:52:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 13:52:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 13:52:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 13:52:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 13:52:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 13:52:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-13 13:52:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-13 13:52:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-13 13:52:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:52:29,169 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:52:29,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:52:46,637 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-13 13:52:46,638 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:52:46,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:52:46,653 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-13 13:52:46,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:46 BoogieIcfgContainer [2024-11-13 13:52:46,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:52:46,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:52:46,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:52:46,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:52:46,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:52:28" (1/3) ... [2024-11-13 13:52:46,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59920f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:52:46, skipping insertion in model container [2024-11-13 13:52:46,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:28" (2/3) ... [2024-11-13 13:52:46,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59920f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:52:46, skipping insertion in model container [2024-11-13 13:52:46,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:46" (3/3) ... [2024-11-13 13:52:46,675 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2024-11-13 13:52:46,718 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:52:46,720 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0832a.c that has 1 procedures, 34 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-13 13:52:46,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:52:46,834 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;@5258acf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:52:46,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:52:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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 13:52:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 13:52:46,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:46,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:46,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:52:46,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:46,861 INFO L85 PathProgramCache]: Analyzing trace with hash 324651751, now seen corresponding path program 1 times [2024-11-13 13:52:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:52:46,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972947789] [2024-11-13 13:52:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:46,877 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 13:52:46,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:52:46,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:52:46,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:52:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:47,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:52:47,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:47,502 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 13:52:47,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:52:47,503 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:52:47,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972947789] [2024-11-13 13:52:47,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972947789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:52:47,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:52:47,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:52:47,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223485032] [2024-11-13 13:52:47,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:52:47,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:52:47,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:52:47,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:52:47,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:52:47,539 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.6875) internal successors, (54), 33 states have internal predecessors, (54), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 13:52:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:47,556 INFO L93 Difference]: Finished difference Result 66 states and 106 transitions. [2024-11-13 13:52:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:52:47,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-13 13:52:47,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:47,565 INFO L225 Difference]: With dead ends: 66 [2024-11-13 13:52:47,565 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 13:52:47,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 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 13:52:47,572 INFO L432 NwaCegarLoop]: 43 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, 43 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 13:52:47,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:52:47,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 13:52:47,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 13:52:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 30 states have internal predecessors, (40), 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 13:52:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2024-11-13 13:52:47,611 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 8 [2024-11-13 13:52:47,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:47,611 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-13 13:52:47,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 13:52:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-13 13:52:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:52:47,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:47,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:47,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:52:47,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:52:47,813 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:52:47,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:47,815 INFO L85 PathProgramCache]: Analyzing trace with hash 295406058, now seen corresponding path program 1 times [2024-11-13 13:52:47,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:52:47,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250936764] [2024-11-13 13:52:47,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:47,816 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 13:52:47,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:52:47,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:52:47,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:52:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:48,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:52:48,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:48,856 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 13:52:48,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:52:48,857 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:52:48,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250936764] [2024-11-13 13:52:48,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250936764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:52:48,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:52:48,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:52:48,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265751012] [2024-11-13 13:52:48,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:52:48,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:52:48,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:52:48,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:52:48,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:52:48,862 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 13:52:52,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:52:55,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:52:59,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:53:01,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:53:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:02,107 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2024-11-13 13:53:02,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:53:02,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-11-13 13:53:02,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:02,152 INFO L225 Difference]: With dead ends: 48 [2024-11-13 13:53:02,152 INFO L226 Difference]: Without dead ends: 29 [2024-11-13 13:53:02,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:53:02,153 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 20 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:02,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 64 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2024-11-13 13:53:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-13 13:53:02,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-13 13:53:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 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 13:53:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2024-11-13 13:53:02,159 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 9 [2024-11-13 13:53:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:02,159 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2024-11-13 13:53:02,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 13:53:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-13 13:53:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:53:02,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:02,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:02,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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)] Ended with exit code 0 [2024-11-13 13:53:02,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:53:02,361 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:53:02,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash -899761548, now seen corresponding path program 1 times [2024-11-13 13:53:02,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:53:02,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476852876] [2024-11-13 13:53:02,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:02,363 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 13:53:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:53:02,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:53:02,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:53:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:03,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:53:03,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:03,965 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 13:53:03,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:53:03,965 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:53:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476852876] [2024-11-13 13:53:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476852876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:53:03,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:53:03,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:53:03,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187057470] [2024-11-13 13:53:03,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:53:03,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:53:03,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:53:03,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:53:03,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:53:03,967 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 13:53:06,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:53:09,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:53:13,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:53:15,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:15,175 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2024-11-13 13:53:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:53:15,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2024-11-13 13:53:15,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:15,184 INFO L225 Difference]: With dead ends: 33 [2024-11-13 13:53:15,184 INFO L226 Difference]: Without dead ends: 29 [2024-11-13 13:53:15,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:53:15,185 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 21 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:15,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 73 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2024-11-13 13:53:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-13 13:53:15,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-13 13:53:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 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 13:53:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-11-13 13:53:15,191 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 15 [2024-11-13 13:53:15,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:15,191 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-11-13 13:53:15,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 13:53:15,191 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-13 13:53:15,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 13:53:15,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:15,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:15,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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)] Ended with exit code 0 [2024-11-13 13:53:15,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:53:15,393 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:53:15,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1378548401, now seen corresponding path program 1 times [2024-11-13 13:53:15,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:53:15,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538180256] [2024-11-13 13:53:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:15,394 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 13:53:15,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:53:15,397 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:53:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 (5)] Waiting until timeout for monitored process [2024-11-13 13:53:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:16,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:53:16,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:17,641 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 13:53:17,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:53:17,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:53:17,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538180256] [2024-11-13 13:53:17,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538180256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:53:17,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:53:17,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:53:17,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798755028] [2024-11-13 13:53:17,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:53:17,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:53:17,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:53:17,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:53:17,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:53:17,643 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 13:53:17,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:17,677 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-11-13 13:53:17,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:53:17,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2024-11-13 13:53:17,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:17,679 INFO L225 Difference]: With dead ends: 29 [2024-11-13 13:53:17,679 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:53:17,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:53:17,680 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:17,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:53:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:53:17,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:53:17,682 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 13:53:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:53:17,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2024-11-13 13:53:17,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:17,683 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:53:17,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 13:53:17,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:53:17,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:53:17,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:53:17,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 (5)] Ended with exit code 0 [2024-11-13 13:53:17,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/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 13:53:17,893 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 13:53:17,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:53:18,021 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:53:18,040 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:53:18,041 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:53:18,041 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2024-11-13 13:53:18,041 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 13:53:18,041 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 13:53:18,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:53:18 BoogieIcfgContainer [2024-11-13 13:53:18,042 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:53:18,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:53:18,043 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:53:18,043 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:53:18,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:46" (3/4) ... [2024-11-13 13:53:18,047 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:53:18,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-13 13:53:18,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 13:53:18,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:53:18,058 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:53:18,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:53:18,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:53:18,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:53:18,172 INFO L158 Benchmark]: Toolchain (without parser) took 49960.42ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 54.3MB in the end (delta: 6.2MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-13 13:53:18,172 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:53:18,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.50ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 46.9MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:53:18,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.33ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:53:18,173 INFO L158 Benchmark]: Boogie Preprocessor took 75.68ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 41.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:53:18,174 INFO L158 Benchmark]: RCFGBuilder took 17853.10ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 23.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:53:18,174 INFO L158 Benchmark]: TraceAbstraction took 31383.61ms. Allocated memory is still 83.9MB. Free memory was 22.6MB in the beginning and 27.0MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:53:18,174 INFO L158 Benchmark]: Witness Printer took 128.04ms. Allocated memory is still 83.9MB. Free memory was 26.4MB in the beginning and 54.3MB in the end (delta: -27.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:53:18,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.50ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 46.9MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.33ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.68ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 41.9MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 17853.10ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 23.2MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31383.61ms. Allocated memory is still 83.9MB. Free memory was 22.6MB in the beginning and 27.0MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 128.04ms. Allocated memory is still 83.9MB. Free memory was 26.4MB in the beginning and 54.3MB in the end (delta: -27.9MB). 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: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 24.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 23.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 93 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 1 QuantifiedInterpolants, 461 SizeOfPredicates, 9 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-13 13:53:18,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49db5dea-db43-4afc-971f-d640daf555be/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE