./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.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_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/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_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/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_8375715d-c528-4f27-a969-384b0db72a46/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 786837fb3df1c16cf4a6cad99a185e6a7f28758e9c247baf272fc714322dd2ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:50:09,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:50:09,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:50:09,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:50:09,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:50:09,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:50:09,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:50:09,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:50:09,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:50:09,643 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:50:09,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:50:09,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:50:09,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:50:09,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:50:09,644 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:50:09,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:50:09,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:50:09,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:50:09,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:50:09,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:50:09,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:50:09,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:50:09,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:50:09,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:50:09,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:50:09,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:50:09,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:50:09,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:50:09,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:50:09,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:50:09,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:50:09,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:50:09,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:50:09,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:50:09,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:50:09,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:50:09,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:50:09,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:50:09,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:50:09,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:50:09,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:50:09,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:50:09,649 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_8375715d-c528-4f27-a969-384b0db72a46/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 -> 786837fb3df1c16cf4a6cad99a185e6a7f28758e9c247baf272fc714322dd2ae [2024-11-13 15:50:10,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:50:10,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:50:10,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:50:10,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:50:10,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:50:10,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i Unable to find full path for "g++" [2024-11-13 15:50:12,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:50:12,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:50:12,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2024-11-13 15:50:12,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data/b27175367/a703c437838c481c93c541b3ed783296/FLAGcf5aec1fd [2024-11-13 15:50:12,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data/b27175367/a703c437838c481c93c541b3ed783296 [2024-11-13 15:50:12,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:50:12,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:50:12,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:50:12,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:50:12,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:50:12,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:50:12" (1/1) ... [2024-11-13 15:50:12,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25440887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:12, skipping insertion in model container [2024-11-13 15:50:12,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:50:12" (1/1) ... [2024-11-13 15:50:12,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:50:13,159 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_8375715d-c528-4f27-a969-384b0db72a46/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i[41070,41083] [2024-11-13 15:50:13,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:50:13,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:50:13,245 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_8375715d-c528-4f27-a969-384b0db72a46/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i[41070,41083] [2024-11-13 15:50:13,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:50:13,368 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:50:13,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13 WrapperNode [2024-11-13 15:50:13,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:50:13,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:50:13,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:50:13,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:50:13,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,429 INFO L138 Inliner]: procedures = 446, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2024-11-13 15:50:13,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:50:13,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:50:13,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:50:13,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:50:13,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,461 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 15:50:13,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:50:13,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:50:13,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:50:13,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:50:13,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (1/1) ... [2024-11-13 15:50:13,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:50:13,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:50:13,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:50:13,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:50:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:50:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:50:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:50:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:50:13,683 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:50:13,685 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:50:13,790 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 15:50:13,790 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:50:13,800 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:50:13,800 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:50:13,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:50:13 BoogieIcfgContainer [2024-11-13 15:50:13,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:50:13,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:50:13,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:50:13,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:50:13,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:50:12" (1/3) ... [2024-11-13 15:50:13,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cd88ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:50:13, skipping insertion in model container [2024-11-13 15:50:13,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:13" (2/3) ... [2024-11-13 15:50:13,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cd88ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:50:13, skipping insertion in model container [2024-11-13 15:50:13,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:50:13" (3/3) ... [2024-11-13 15:50:13,811 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp8.i [2024-11-13 15:50:13,828 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:50:13,830 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float-no-simp8.i that has 1 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 15:50:13,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:50:13,898 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;@4c830727, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:50:13,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:50:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:50:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 15:50:13,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:50:13,912 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 15:50:13,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:50:13,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:50:13,919 INFO L85 PathProgramCache]: Analyzing trace with hash 28722624, now seen corresponding path program 1 times [2024-11-13 15:50:13,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:50:13,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525592811] [2024-11-13 15:50:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:50:13,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:50:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:50:14,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:50:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:50:14,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:50:14,081 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:50:14,083 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:50:14,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:50:14,092 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:50:14,106 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:50:14,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:50:14 BoogieIcfgContainer [2024-11-13 15:50:14,112 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:50:14,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:50:14,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:50:14,113 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:50:14,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:50:13" (3/4) ... [2024-11-13 15:50:14,116 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:50:14,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:50:14,118 INFO L158 Benchmark]: Toolchain (without parser) took 1465.73ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 47.4MB in the end (delta: 69.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 15:50:14,119 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:50:14,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.65ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 73.9MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 15:50:14,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.25ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:50:14,120 INFO L158 Benchmark]: Boogie Preprocessor took 49.71ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 70.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:50:14,120 INFO L158 Benchmark]: RCFGBuilder took 318.42ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 60.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:50:14,120 INFO L158 Benchmark]: TraceAbstraction took 308.48ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 47.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:50:14,121 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 142.6MB. Free memory was 47.7MB in the beginning and 47.4MB in the end (delta: 246.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:50:14,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.65ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 73.9MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.25ms. Allocated memory is still 142.6MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.71ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 70.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 318.42ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 60.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 308.48ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 47.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 142.6MB. Free memory was 47.7MB in the beginning and 47.4MB in the end (delta: 246.0kB). 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: 969]: 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 969, overapproximation of to_real at line 965, overapproximation of someBinaryArithmeticFLOAToperation at line 967, overapproximation of someUnaryFLOAToperation at line 963. Possible FailurePath: [L963] float f = -0x1p-129f; [L964] float g = 0x1p-129f; [L965] float target = 0x0; [L967] float result = f + g; [L969] EXPR result == target && (sizeof (result) == sizeof (float) ? __signbitf (result) : sizeof (result) == sizeof (double) ? __signbit (result) : __signbitl (result)) == (sizeof (target) == sizeof (float) ? __signbitf (target) : sizeof (target) == sizeof (double) ? __signbit (target) : __signbitl (target)) [L969] COND TRUE !(result == target && (sizeof (result) == sizeof (float) ? __signbitf (result) : sizeof (result) == sizeof (double) ? __signbit (result) : __signbitl (result)) == (sizeof (target) == sizeof (float) ? __signbitf (target) : sizeof (target) == sizeof (double) ? __signbit (target) : __signbitl (target))) [L969] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 15:50:14,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/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_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/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_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/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_8375715d-c528-4f27-a969-384b0db72a46/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 786837fb3df1c16cf4a6cad99a185e6a7f28758e9c247baf272fc714322dd2ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:50:17,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:50:17,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:50:17,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:50:17,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:50:17,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:50:17,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:50:17,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:50:17,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:50:17,265 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:50:17,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:50:17,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:50:17,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:50:17,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:50:17,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:50:17,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:50:17,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:50:17,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:50:17,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:50:17,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:50:17,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:50:17,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:50:17,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:50:17,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:50:17,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:50:17,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:50:17,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:50:17,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:50:17,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:50:17,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:50:17,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:50:17,272 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:50:17,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:50:17,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:50:17,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:50:17,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:50:17,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:50:17,272 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_8375715d-c528-4f27-a969-384b0db72a46/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 -> 786837fb3df1c16cf4a6cad99a185e6a7f28758e9c247baf272fc714322dd2ae [2024-11-13 15:50:17,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:50:17,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:50:17,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:50:17,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:50:17,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:50:17,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i Unable to find full path for "g++" [2024-11-13 15:50:19,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:50:20,300 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:50:20,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2024-11-13 15:50:20,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data/32a8f5633/1d8d0920a4c24a86ba3f61d54cf33a14/FLAG6021d1a5a [2024-11-13 15:50:20,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/data/32a8f5633/1d8d0920a4c24a86ba3f61d54cf33a14 [2024-11-13 15:50:20,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:50:20,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:50:20,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:50:20,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:50:20,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:50:20,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:50:20" (1/1) ... [2024-11-13 15:50:20,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d87c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:20, skipping insertion in model container [2024-11-13 15:50:20,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:50:20" (1/1) ... [2024-11-13 15:50:20,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:50:20,982 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_8375715d-c528-4f27-a969-384b0db72a46/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i[41070,41083] [2024-11-13 15:50:20,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:50:21,003 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:50:21,075 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_8375715d-c528-4f27-a969-384b0db72a46/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i[41070,41083] [2024-11-13 15:50:21,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:50:21,275 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:50:21,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21 WrapperNode [2024-11-13 15:50:21,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:50:21,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:50:21,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:50:21,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:50:21,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,350 INFO L138 Inliner]: procedures = 447, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-13 15:50:21,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:50:21,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:50:21,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:50:21,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:50:21,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,385 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 15:50:21,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:50:21,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:50:21,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:50:21,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:50:21,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (1/1) ... [2024-11-13 15:50:21,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:50:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:50:21,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:50:21,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:50:21,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:50:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:50:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:50:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:50:21,644 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:50:21,646 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:50:21,763 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-13 15:50:21,763 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:50:21,772 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:50:21,772 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:50:21,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:50:21 BoogieIcfgContainer [2024-11-13 15:50:21,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:50:21,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:50:21,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:50:21,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:50:21,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:50:20" (1/3) ... [2024-11-13 15:50:21,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7d6caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:50:21, skipping insertion in model container [2024-11-13 15:50:21,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:50:21" (2/3) ... [2024-11-13 15:50:21,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7d6caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:50:21, skipping insertion in model container [2024-11-13 15:50:21,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:50:21" (3/3) ... [2024-11-13 15:50:21,785 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp8.i [2024-11-13 15:50:21,805 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:50:21,807 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float-no-simp8.i that has 1 procedures, 9 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 15:50:21,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:50:21,891 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;@1c422386, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:50:21,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:50:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:50:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 15:50:21,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:50:21,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 15:50:21,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:50:21,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:50:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2024-11-13 15:50:21,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:50:21,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974125870] [2024-11-13 15:50:21,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:50:21,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:50:21,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:50:21,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:50:21,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 15:50:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:50:22,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:50:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:50:22,142 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:50:22,144 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:50:22,149 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:50:22,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:50:22,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:50:22,360 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:50:22,383 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:50:22,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:50:22 BoogieIcfgContainer [2024-11-13 15:50:22,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:50:22,388 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:50:22,388 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:50:22,389 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:50:22,389 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:50:21" (3/4) ... [2024-11-13 15:50:22,394 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:50:22,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:50:22,396 INFO L158 Benchmark]: Toolchain (without parser) took 2047.05ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 27.9MB in the end (delta: 31.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-13 15:50:22,397 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:50:22,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.70ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 52.6MB in the end (delta: 6.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-13 15:50:22,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.63ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.9MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:50:22,400 INFO L158 Benchmark]: Boogie Preprocessor took 61.66ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:50:22,400 INFO L158 Benchmark]: RCFGBuilder took 357.74ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 39.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:50:22,402 INFO L158 Benchmark]: TraceAbstraction took 612.28ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 27.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:50:22,402 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 83.9MB. Free memory is still 27.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:50:22,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 925.70ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 52.6MB in the end (delta: 6.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.63ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.9MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.66ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 48.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.74ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 39.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 612.28ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 27.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 83.9MB. Free memory is still 27.9MB. 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: 969]: 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 __signbitl at line 969. Possible FailurePath: [L963] float f = -0x1p-129f; [L964] float g = 0x1p-129f; [L965] float target = 0x0; [L967] float result = f + g; VAL [result=0.0, target=0.0] [L969] COND TRUE !(result == target && (sizeof (result) == sizeof (float) ? __signbitf (result) : sizeof (result) == sizeof (double) ? __signbit (result) : __signbitl (result)) == (sizeof (target) == sizeof (float) ? __signbitf (target) : sizeof (target) == sizeof (double) ? __signbit (target) : __signbitl (target))) [L969] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 15:50:22,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8375715d-c528-4f27-a969-384b0db72a46/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample