./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i --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_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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_d6733561-797e-49be-9253-5320c82cbe09/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 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:14:24,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:14:24,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:14:24,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:14:24,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:14:24,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:14:24,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:14:24,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:14:24,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:14:24,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:14:24,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:14:24,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:14:24,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:14:24,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:14:24,604 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:14:24,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:14:24,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:14:24,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:14:24,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:14:24,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:14:24,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:14:24,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:14:24,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:14:24,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:14:24,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:14:24,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:14:24,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:14:24,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:14:24,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:14:24,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:14:24,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:14:24,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:14:24,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:24,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:14:24,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:14:24,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:14:24,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:14:24,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:14:24,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:14:24,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:14:24,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:14:24,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:14:24,609 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_d6733561-797e-49be-9253-5320c82cbe09/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 -> 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a [2024-11-13 14:14:24,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:14:24,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:14:24,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:14:24,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:14:24,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:14:24,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i Unable to find full path for "g++" [2024-11-13 14:14:26,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:14:27,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:14:27,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i [2024-11-13 14:14:27,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data/1b0198e6d/dc2b0392f0a449489d28c20034aebf29/FLAG09e0f291e [2024-11-13 14:14:27,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data/1b0198e6d/dc2b0392f0a449489d28c20034aebf29 [2024-11-13 14:14:27,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:14:27,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:14:27,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:27,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:14:27,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:14:27,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4dccef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27, skipping insertion in model container [2024-11-13 14:14:27,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:14:27,327 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_d6733561-797e-49be-9253-5320c82cbe09/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-11-13 14:14:27,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:27,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:14:27,389 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_d6733561-797e-49be-9253-5320c82cbe09/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-11-13 14:14:27,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:27,425 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:14:27,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27 WrapperNode [2024-11-13 14:14:27,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:27,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:27,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:14:27,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:14:27,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,466 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-13 14:14:27,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:27,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:14:27,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:14:27,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:14:27,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,479 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,492 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:14:27,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:14:27,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:14:27,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:14:27,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:14:27,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:27,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:27,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:27,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:14:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:14:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:14:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:14:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:14:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:14:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:14:27,690 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:14:27,692 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:14:27,953 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 14:14:27,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:14:27,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:14:27,964 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:14:27,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:27 BoogieIcfgContainer [2024-11-13 14:14:27,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:14:27,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:14:27,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:14:27,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:14:27,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:14:27" (1/3) ... [2024-11-13 14:14:27,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790265b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:27, skipping insertion in model container [2024-11-13 14:14:27,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (2/3) ... [2024-11-13 14:14:27,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790265b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:27, skipping insertion in model container [2024-11-13 14:14:27,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:27" (3/3) ... [2024-11-13 14:14:27,978 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-1.i [2024-11-13 14:14:27,992 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:14:27,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-1.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:14:28,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:14:28,077 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;@21b3ced9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:14:28,078 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:14:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 14:14:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:14:28,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:28,098 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:28,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:28,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1481574421, now seen corresponding path program 1 times [2024-11-13 14:14:28,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:28,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109297051] [2024-11-13 14:14:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:28,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:14:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:14:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:14:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 14:14:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 14:14:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:14:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:14:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 14:14:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:14:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 14:14:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 14:14:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:14:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:14:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 14:14:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:14:28,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:28,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109297051] [2024-11-13 14:14:28,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109297051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:28,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:28,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:14:28,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070507257] [2024-11-13 14:14:28,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:28,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:14:28,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:28,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:14:28,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:14:28,531 INFO L87 Difference]: Start difference. First operand has 58 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 14:14:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:28,563 INFO L93 Difference]: Finished difference Result 109 states and 174 transitions. [2024-11-13 14:14:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:14:28,564 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2024-11-13 14:14:28,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:28,570 INFO L225 Difference]: With dead ends: 109 [2024-11-13 14:14:28,571 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 14:14:28,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 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 14:14:28,581 INFO L432 NwaCegarLoop]: 76 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, 76 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 14:14:28,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:14:28,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 14:14:28,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-13 14:14:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 14:14:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2024-11-13 14:14:28,617 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 97 [2024-11-13 14:14:28,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:28,618 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2024-11-13 14:14:28,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 14:14:28,618 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2024-11-13 14:14:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:14:28,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:28,621 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:28,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:14:28,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:28,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:28,622 INFO L85 PathProgramCache]: Analyzing trace with hash -509496371, now seen corresponding path program 1 times [2024-11-13 14:14:28,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:28,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328677402] [2024-11-13 14:14:28,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:28,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:28,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:28,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:28,830 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:14:28,832 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:14:28,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:14:28,838 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:14:28,933 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:14:28,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:14:28 BoogieIcfgContainer [2024-11-13 14:14:28,937 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:14:28,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:14:28,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:14:28,938 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:14:28,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:27" (3/4) ... [2024-11-13 14:14:28,941 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:14:28,942 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:14:28,944 INFO L158 Benchmark]: Toolchain (without parser) took 1794.22ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 66.2MB in the end (delta: 25.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-13 14:14:28,945 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 83.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:28,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 78.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:14:28,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.35ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:14:28,947 INFO L158 Benchmark]: Boogie Preprocessor took 39.77ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:28,947 INFO L158 Benchmark]: RCFGBuilder took 453.82ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 59.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:14:28,948 INFO L158 Benchmark]: TraceAbstraction took 969.42ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 66.2MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:28,949 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:28,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 83.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 78.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.35ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.77ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.82ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 59.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 969.42ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 66.2MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 14.1kB). 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: 19]: 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 39, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_2 = 10.375; [L24] float var_1_3 = 127.5; [L25] float var_1_4 = 256.2; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 5; [L28] unsigned char var_1_7 = 1; [L29] signed long int var_1_10 = 32; [L30] signed long int var_1_11 = 2; [L31] unsigned long int var_1_12 = 16; [L32] unsigned char var_1_13 = 50; [L33] signed long int var_1_15 = 100000000; [L34] signed short int var_1_16 = 2; [L35] unsigned long int last_1_var_1_12 = 16; VAL [isInitial=0, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_2=83/8, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_2=83/8, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L71] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L72] var_1_3 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L73] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L74] var_1_4 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L75] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L76] var_1_5 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L78] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L78] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L79] var_1_7 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L80] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L81] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L81] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L84] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L84] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L85] var_1_11 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L87] CALL assume_abort_if_not(var_1_11 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L87] RET assume_abort_if_not(var_1_11 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L88] var_1_13 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L90] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L90] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L91] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L91] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L105] RET updateVariables() [L106] CALL step() [L39] COND TRUE var_1_2 <= (- var_1_3) [L40] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=5, var_1_7=-256] [L48] var_1_16 = var_1_13 [L49] unsigned char stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=-256, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=5, var_1_7=-256] [L50] COND TRUE var_1_5 || stepLocal_0 [L51] var_1_6 = ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L55] signed long int stepLocal_3 = var_1_11; [L56] signed long int stepLocal_2 = var_1_16 + var_1_11; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L57] EXPR var_1_11 << var_1_16 VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L57] signed long int stepLocal_1 = var_1_11 << var_1_16; [L58] COND FALSE !(stepLocal_1 != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L67] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L97-L98] return (((((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1)) && (var_1_15 == ((signed long int) var_1_16))) && (var_1_16 == ((signed short int) var_1_13)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 14, 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, 76 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, 76 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 0.3s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 14:14:28,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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_d6733561-797e-49be-9253-5320c82cbe09/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 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:14:31,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:14:31,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:14:31,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:14:31,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:14:31,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:14:31,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:14:31,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:14:31,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:14:31,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:14:31,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:14:31,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:14:31,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:14:31,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:14:31,785 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:14:31,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:14:31,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:14:31,786 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:14:31,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:14:31,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:14:31,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:14:31,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:14:31,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:14:31,787 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:14:31,787 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:14:31,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:14:31,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:14:31,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:14:31,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:14:31,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:31,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:14:31,788 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:14:31,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:14:31,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:14:31,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:14:31,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:14:31,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:14:31,789 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_d6733561-797e-49be-9253-5320c82cbe09/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 -> 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a [2024-11-13 14:14:32,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:14:32,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:14:32,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:14:32,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:14:32,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:14:32,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i Unable to find full path for "g++" [2024-11-13 14:14:34,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:14:34,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:14:34,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i [2024-11-13 14:14:34,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data/ba3260b48/aad35568c3c54254ba5e8b5b2d8b0486/FLAGd49a30f12 [2024-11-13 14:14:34,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/data/ba3260b48/aad35568c3c54254ba5e8b5b2d8b0486 [2024-11-13 14:14:34,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:14:34,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:14:34,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:34,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:14:34,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:14:34,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367253c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34, skipping insertion in model container [2024-11-13 14:14:34,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:14:34,655 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_d6733561-797e-49be-9253-5320c82cbe09/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-11-13 14:14:34,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:34,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:14:34,739 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_d6733561-797e-49be-9253-5320c82cbe09/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-11-13 14:14:34,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:34,790 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:14:34,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34 WrapperNode [2024-11-13 14:14:34,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:34,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:34,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:14:34,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:14:34,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,844 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-13 14:14:34,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:34,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:14:34,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:14:34,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:14:34,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,887 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:14:34,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:14:34,922 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:14:34,922 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:14:34,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:14:34,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (1/1) ... [2024-11-13 14:14:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:34,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:34,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:34,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:14:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:14:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:14:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:14:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:14:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:14:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:14:35,094 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:14:35,097 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:14:35,420 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 14:14:35,420 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:14:35,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:14:35,431 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:14:35,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:35 BoogieIcfgContainer [2024-11-13 14:14:35,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:14:35,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:14:35,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:14:35,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:14:35,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:14:34" (1/3) ... [2024-11-13 14:14:35,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cca1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:35, skipping insertion in model container [2024-11-13 14:14:35,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:34" (2/3) ... [2024-11-13 14:14:35,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cca1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:35, skipping insertion in model container [2024-11-13 14:14:35,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:35" (3/3) ... [2024-11-13 14:14:35,444 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-1.i [2024-11-13 14:14:35,463 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:14:35,464 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-1.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:14:35,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:14:35,535 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;@47fd4b5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:14:35,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:14:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 14:14:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 14:14:35,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:35,551 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:35,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:35,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:35,557 INFO L85 PathProgramCache]: Analyzing trace with hash 200816895, now seen corresponding path program 1 times [2024-11-13 14:14:35,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:14:35,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059450328] [2024-11-13 14:14:35,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:35,568 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 14:14:35,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:14:35,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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 14:14:35,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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 14:14:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:35,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:14:35,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-13 14:14:35,892 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:14:35,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:14:35,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059450328] [2024-11-13 14:14:35,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059450328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:35,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:35,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:14:35,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883013614] [2024-11-13 14:14:35,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:35,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:14:35,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:14:35,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:14:35,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:14:35,921 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 14:14:35,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:35,946 INFO L93 Difference]: Finished difference Result 93 states and 152 transitions. [2024-11-13 14:14:35,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:14:35,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 93 [2024-11-13 14:14:35,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:35,954 INFO L225 Difference]: With dead ends: 93 [2024-11-13 14:14:35,954 INFO L226 Difference]: Without dead ends: 46 [2024-11-13 14:14:35,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 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 14:14:35,960 INFO L432 NwaCegarLoop]: 65 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, 65 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 14:14:35,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:14:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-13 14:14:35,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-13 14:14:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-13 14:14:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-13 14:14:36,000 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 93 [2024-11-13 14:14:36,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:36,000 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-13 14:14:36,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-13 14:14:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-13 14:14:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 14:14:36,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:36,004 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:36,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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 14:14:36,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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 14:14:36,209 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:36,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:36,210 INFO L85 PathProgramCache]: Analyzing trace with hash 19234999, now seen corresponding path program 1 times [2024-11-13 14:14:36,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:14:36,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844973703] [2024-11-13 14:14:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:36,211 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 14:14:36,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:14:36,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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 14:14:36,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6733561-797e-49be-9253-5320c82cbe09/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 14:14:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:36,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:14:36,444 INFO L278 TraceCheckSpWp]: Computing forward predicates...