./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.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_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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_2327788a-6805-45b6-bf22-42990c8654df/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 b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:54:36,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:54:36,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:54:36,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:54:36,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:54:36,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:54:36,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:54:36,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:54:36,379 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:54:36,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:54:36,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:54:36,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:54:36,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:54:36,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:54:36,380 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:54:36,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:54:36,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:54:36,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:54:36,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:54:36,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:54:36,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:54:36,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:54:36,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:54:36,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:54:36,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:54:36,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:54:36,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:54:36,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:54:36,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:54:36,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:54:36,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:54:36,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:54:36,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:54:36,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:54:36,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:54:36,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:54:36,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:54:36,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:54:36,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:54:36,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:54:36,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:54:36,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:54:36,384 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_2327788a-6805-45b6-bf22-42990c8654df/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 -> b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b [2024-11-13 15:54:36,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:54:36,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:54:36,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:54:36,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:54:36,759 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:54:36,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c Unable to find full path for "g++" [2024-11-13 15:54:39,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:54:39,514 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:54:39,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/sv-benchmarks/c/float-newlib/float_req_bl_1010.c [2024-11-13 15:54:39,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data/be19d7c3e/aa6b9afa0c494f8696a1a03c1c0a9a5c/FLAGd0edce609 [2024-11-13 15:54:39,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data/be19d7c3e/aa6b9afa0c494f8696a1a03c1c0a9a5c [2024-11-13 15:54:39,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:54:39,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:54:39,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:54:39,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:54:39,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:54:39,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:39,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464c251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39, skipping insertion in model container [2024-11-13 15:54:39,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:39,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:54:39,848 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_2327788a-6805-45b6-bf22-42990c8654df/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2024-11-13 15:54:39,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:54:39,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:54:39,900 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_2327788a-6805-45b6-bf22-42990c8654df/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2024-11-13 15:54:39,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:54:39,932 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:54:39,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39 WrapperNode [2024-11-13 15:54:39,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:54:39,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:54:39,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:54:39,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:54:39,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:39,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:39,984 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 15:54:39,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:54:39,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:54:39,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:54:39,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:54:40,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,030 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-13 15:54:40,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:54:40,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:54:40,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:54:40,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:54:40,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (1/1) ... [2024-11-13 15:54:40,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:54:40,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:54:40,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:54:40,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:54:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:54:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:54:40,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:54:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:54:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:54:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 15:54:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 15:54:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 15:54:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:54:40,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:54:40,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:54:40,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:54:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:54:40,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:54:40,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:54:40,491 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 15:54:40,492 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:54:40,503 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:54:40,504 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 15:54:40,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:40 BoogieIcfgContainer [2024-11-13 15:54:40,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:54:40,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:54:40,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:54:40,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:54:40,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:54:39" (1/3) ... [2024-11-13 15:54:40,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e2fa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:40, skipping insertion in model container [2024-11-13 15:54:40,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:39" (2/3) ... [2024-11-13 15:54:40,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e2fa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:40, skipping insertion in model container [2024-11-13 15:54:40,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:40" (3/3) ... [2024-11-13 15:54:40,519 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010.c [2024-11-13 15:54:40,543 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:54:40,545 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1010.c that has 1 procedures, 15 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 15:54:40,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:54:40,662 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;@665a124, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:54:40,663 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:54:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 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 15:54:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:54:40,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:54:40,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:54:40,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:54:40,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:54:40,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1707057742, now seen corresponding path program 1 times [2024-11-13 15:54:40,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:54:40,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618580297] [2024-11-13 15:54:40,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:54:40,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:54:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:40,889 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 15:54:40,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:54:40,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618580297] [2024-11-13 15:54:40,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618580297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:54:40,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:54:40,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:54:40,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877703057] [2024-11-13 15:54:40,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:54:40,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:54:40,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:54:40,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:54:40,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:54:40,944 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 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 4.5) internal successors, (9), 2 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 15:54:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:54:40,956 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2024-11-13 15:54:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:54:40,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 15:54:40,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:54:40,969 INFO L225 Difference]: With dead ends: 28 [2024-11-13 15:54:40,969 INFO L226 Difference]: Without dead ends: 12 [2024-11-13 15:54:40,973 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 15:54:40,977 INFO L432 NwaCegarLoop]: 14 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, 14 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 15:54:40,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:54:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-13 15:54:41,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-13 15:54:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 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 15:54:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2024-11-13 15:54:41,020 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 9 [2024-11-13 15:54:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:54:41,022 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2024-11-13 15:54:41,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 15:54:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-13 15:54:41,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 15:54:41,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:54:41,025 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:54:41,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:54:41,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:54:41,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:54:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2131234798, now seen corresponding path program 1 times [2024-11-13 15:54:41,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:54:41,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879792389] [2024-11-13 15:54:41,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:54:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:54:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:54:41,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:54:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:54:41,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:54:41,209 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:54:41,212 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:54:41,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:54:41,219 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:54:41,244 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:54:41,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:54:41 BoogieIcfgContainer [2024-11-13 15:54:41,255 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:54:41,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:54:41,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:54:41,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:54:41,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:40" (3/4) ... [2024-11-13 15:54:41,264 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:54:41,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:54:41,267 INFO L158 Benchmark]: Toolchain (without parser) took 1709.65ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 45.6MB in the end (delta: 46.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 15:54:41,268 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:54:41,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.88ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:41,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.78ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:54:41,269 INFO L158 Benchmark]: Boogie Preprocessor took 80.49ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:41,269 INFO L158 Benchmark]: RCFGBuilder took 437.45ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 68.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:41,272 INFO L158 Benchmark]: TraceAbstraction took 747.15ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 45.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:54:41,272 INFO L158 Benchmark]: Witness Printer took 10.32ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 45.6MB in the end (delta: 270.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:54:41,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.88ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.78ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.49ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 437.45ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 68.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 747.15ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 45.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 10.32ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 45.6MB in the end (delta: 270.1kB). 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: 42]: 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 14, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L37] float x = 0.0f / 0.0f; [L38] CALL, EXPR fabs_float(x) [L17] __uint32_t ix; VAL [x=61] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (ix) = gf_u.word [L24] ieee_float_shape_type sf_u; [L25] sf_u.word = (ix & 0x7fffffff) [L26] EXPR sf_u.value [L26] (x) = sf_u.value [L28] return x; VAL [\result=62, ix=7] [L38] RET, EXPR fabs_float(x) [L38] float res = fabs_float(x); [L41] CALL, EXPR isnan_float(res) [L14] return x != x; VAL [\result=0] [L41] RET, EXPR isnan_float(res) [L41] COND TRUE !isnan_float(res) [L42] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 14 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, 14 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=15occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 15:54:41,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 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_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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_2327788a-6805-45b6-bf22-42990c8654df/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 b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:54:44,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:54:44,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:54:44,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:54:44,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:54:44,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:54:44,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:54:44,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:54:44,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:54:44,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:54:44,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:54:44,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:54:44,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:54:45,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:54:45,000 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:54:45,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:54:45,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:54:45,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:54:45,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:54:45,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:54:45,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:54:45,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:54:45,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:54:45,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:54:45,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:54:45,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:54:45,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:54:45,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:54:45,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:54:45,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:54:45,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:54:45,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:54:45,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:54:45,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:54:45,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:54:45,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:54:45,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:54:45,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:54:45,005 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:54:45,005 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:54:45,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:54:45,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:54:45,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:54:45,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:54:45,006 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_2327788a-6805-45b6-bf22-42990c8654df/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 -> b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b [2024-11-13 15:54:45,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:54:45,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:54:45,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:54:45,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:54:45,433 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:54:45,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c Unable to find full path for "g++" [2024-11-13 15:54:47,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:54:48,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:54:48,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/sv-benchmarks/c/float-newlib/float_req_bl_1010.c [2024-11-13 15:54:48,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data/869e2a3ba/c3437fe0ce57402c8d0ae3466715ce38/FLAG5084406a1 [2024-11-13 15:54:48,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/data/869e2a3ba/c3437fe0ce57402c8d0ae3466715ce38 [2024-11-13 15:54:48,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:54:48,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:54:48,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:54:48,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:54:48,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:54:48,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48, skipping insertion in model container [2024-11-13 15:54:48,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:54:48,651 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_2327788a-6805-45b6-bf22-42990c8654df/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2024-11-13 15:54:48,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:54:48,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:54:48,708 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_2327788a-6805-45b6-bf22-42990c8654df/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012] [2024-11-13 15:54:48,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:54:48,742 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:54:48,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48 WrapperNode [2024-11-13 15:54:48,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:54:48,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:54:48,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:54:48,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:54:48,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,806 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-13 15:54:48,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:54:48,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:54:48,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:54:48,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:54:48,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,824 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,851 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-13 15:54:48,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:54:48,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:54:48,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:54:48,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:54:48,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (1/1) ... [2024-11-13 15:54:48,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:54:48,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:54:48,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:54:48,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:54:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:54:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:54:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 15:54:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 15:54:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:54:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 15:54:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 15:54:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 15:54:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 15:54:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 15:54:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 15:54:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:54:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:54:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 15:54:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 15:54:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 15:54:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 15:54:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 15:54:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 15:54:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:54:49,161 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:54:49,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:54:49,422 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 15:54:49,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:54:49,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:54:49,435 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 15:54:49,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:49 BoogieIcfgContainer [2024-11-13 15:54:49,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:54:49,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:54:49,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:54:49,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:54:49,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:54:48" (1/3) ... [2024-11-13 15:54:49,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ef29d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:49, skipping insertion in model container [2024-11-13 15:54:49,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:48" (2/3) ... [2024-11-13 15:54:49,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ef29d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:49, skipping insertion in model container [2024-11-13 15:54:49,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:49" (3/3) ... [2024-11-13 15:54:49,452 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010.c [2024-11-13 15:54:49,476 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:54:49,480 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1010.c that has 1 procedures, 15 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 15:54:49,563 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:54:49,584 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;@3fb5e845, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:54:49,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:54:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 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 15:54:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:54:49,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:54:49,604 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:54:49,605 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:54:49,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:54:49,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1707057742, now seen corresponding path program 1 times [2024-11-13 15:54:49,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:54:49,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044063690] [2024-11-13 15:54:49,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:54:49,633 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 15:54:49,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:54:49,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:49,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:49,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:54:49,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:54:49,838 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 15:54:49,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:54:49,841 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:54:49,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044063690] [2024-11-13 15:54:49,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2044063690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:54:49,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:54:49,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:54:49,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977867329] [2024-11-13 15:54:49,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:54:49,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:54:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:54:49,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:54:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:54:49,885 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 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 4.5) internal successors, (9), 2 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 15:54:49,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:54:49,903 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2024-11-13 15:54:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:54:49,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 15:54:49,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:54:49,950 INFO L225 Difference]: With dead ends: 28 [2024-11-13 15:54:49,950 INFO L226 Difference]: Without dead ends: 12 [2024-11-13 15:54:49,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 15:54:49,961 INFO L432 NwaCegarLoop]: 14 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, 14 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 15:54:49,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:54:49,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-13 15:54:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-13 15:54:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 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 15:54:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2024-11-13 15:54:50,003 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 9 [2024-11-13 15:54:50,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:54:50,004 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2024-11-13 15:54:50,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 15:54:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-13 15:54:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 15:54:50,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:54:50,005 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:54:50,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:50,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:50,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:54:50,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:54:50,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2131234798, now seen corresponding path program 1 times [2024-11-13 15:54:50,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:54:50,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781801170] [2024-11-13 15:54:50,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:54:50,209 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 15:54:50,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:54:50,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:50,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:50,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 15:54:50,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:54:50,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 15:54:50,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2024-11-13 15:54:50,788 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 15:54:50,788 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:54:50,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:54:50,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781801170] [2024-11-13 15:54:50,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781801170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:54:50,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:54:50,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:54:50,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510346809] [2024-11-13 15:54:50,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:54:50,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:54:50,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:54:50,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:54:50,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:54:50,792 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 15:54:51,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:54:51,042 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2024-11-13 15:54:51,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:54:51,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 11 [2024-11-13 15:54:51,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:54:51,043 INFO L225 Difference]: With dead ends: 12 [2024-11-13 15:54:51,043 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:54:51,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:54:51,045 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:54:51,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 16 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:54:51,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:54:51,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:54:51,046 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 15:54:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:54:51,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-13 15:54:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:54:51,047 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:54:51,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 15:54:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:54:51,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:54:51,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:54:51,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:51,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/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 15:54:51,256 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:54:51,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:54:51,319 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:54:51,330 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 15:54:51,333 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 15:54:51,333 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 15:54:51,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:54:51 BoogieIcfgContainer [2024-11-13 15:54:51,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:54:51,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:54:51,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:54:51,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:54:51,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:49" (3/4) ... [2024-11-13 15:54:51,344 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:54:51,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 15:54:51,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 15:54:51,354 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:54:51,354 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:54:51,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:54:51,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:54:51,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:54:51,442 INFO L158 Benchmark]: Toolchain (without parser) took 3094.44ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 33.4MB in the end (delta: 27.2MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-13 15:54:51,443 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:54:51,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.27ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 48.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:51,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.59ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:54:51,446 INFO L158 Benchmark]: Boogie Preprocessor took 81.66ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:51,446 INFO L158 Benchmark]: RCFGBuilder took 545.94ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 35.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:51,447 INFO L158 Benchmark]: TraceAbstraction took 1895.40ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 37.4MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:54:51,447 INFO L158 Benchmark]: Witness Printer took 104.07ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 33.4MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:54:51,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.27ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 48.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.59ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.66ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 545.94ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 35.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1895.40ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 37.4MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.07ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 33.4MB in the end (delta: 4.0MB). 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: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 42]: 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 18 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 6 QuantifiedInterpolants, 70 SizeOfPredicates, 5 NumberOfNonLiveVariables, 75 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be correct! [2024-11-13 15:54:51,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2327788a-6805-45b6-bf22-42990c8654df/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE