./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.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_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:15:52,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:15:52,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:15:52,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:15:52,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:15:52,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:15:52,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:15:52,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:15:52,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:15:52,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:15:52,558 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:15:52,558 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:15:52,558 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:15:52,558 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:15:52,559 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:15:52,559 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:15:52,560 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:15:52,560 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:15:52,560 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:15:52,560 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:15:52,560 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:15:52,560 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:15:52,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:15:52,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:15:52,562 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:15:52,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:15:52,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:15:52,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:15:52,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:15:52,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:15:52,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:15:52,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:15:52,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:15:52,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:15:52,565 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:15:52,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:15:52,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:15:52,565 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:15:52,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:15:52,566 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b [2024-11-14 05:15:52,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:15:52,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:15:52,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:15:52,864 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:15:52,865 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:15:52,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 05:15:54,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:15:55,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:15:55,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i [2024-11-14 05:15:55,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data/031c829b3/c23726181be843f7ae5bf5aea67bf79a/FLAG3cc6c892e [2024-11-14 05:15:55,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data/031c829b3/c23726181be843f7ae5bf5aea67bf79a [2024-11-14 05:15:55,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:15:55,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:15:55,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:15:55,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:15:55,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:15:55,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:15:55" (1/1) ... [2024-11-14 05:15:55,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30135707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:55, skipping insertion in model container [2024-11-14 05:15:55,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:15:55" (1/1) ... [2024-11-14 05:15:55,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:15:56,056 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_c092bedd-a84c-4894-b46d-edefd273c040/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2024-11-14 05:15:56,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:15:56,069 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:15:56,131 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2024-11-14 05:15:56,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:15:56,284 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:15:56,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56 WrapperNode [2024-11-14 05:15:56,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:15:56,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:15:56,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:15:56,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:15:56,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,327 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-11-14 05:15:56,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:15:56,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:15:56,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:15:56,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:15:56,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:15:56,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:15:56,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:15:56,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:15:56,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (1/1) ... [2024-11-14 05:15:56,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:15:56,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:15:56,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:15:56,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:15:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:15:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:15:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:15:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:15:56,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:15:56,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:15:56,603 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-14 05:15:56,605 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:15:56,724 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:15:56,724 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:15:56,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:15:56 BoogieIcfgContainer [2024-11-14 05:15:56,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:15:56,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:15:56,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:15:56,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:15:56,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:15:55" (1/3) ... [2024-11-14 05:15:56,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495e755b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:15:56, skipping insertion in model container [2024-11-14 05:15:56,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:56" (2/3) ... [2024-11-14 05:15:56,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495e755b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:15:56, skipping insertion in model container [2024-11-14 05:15:56,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:15:56" (3/3) ... [2024-11-14 05:15:56,735 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_7_safe.c-amalgamation.i [2024-11-14 05:15:56,751 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:15:56,752 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sin_7_safe.c-amalgamation.i that has 1 procedures, 6 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 05:15:56,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:15:56,826 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=FINITE_AUTOMATA, 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;@148891da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:15:56,826 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:15:56,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-14 05:15:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 05:15:56,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:15:56,838 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 05:15:56,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:15:56,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:15:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 64003, now seen corresponding path program 1 times [2024-11-14 05:15:56,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:15:56,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707766031] [2024-11-14 05:15:56,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:15:56,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:15:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:15:56,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:15:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:15:56,998 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:15:56,999 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:15:57,000 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:15:57,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:15:57,006 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:15:57,019 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:15:57,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:15:57 BoogieIcfgContainer [2024-11-14 05:15:57,022 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:15:57,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:15:57,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:15:57,023 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:15:57,024 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:15:56" (3/4) ... [2024-11-14 05:15:57,027 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:15:57,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:15:57,029 INFO L158 Benchmark]: Toolchain (without parser) took 1654.16ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 102.2MB in the end (delta: 13.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-14 05:15:57,029 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:15:57,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 909.09ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 60.0MB in the end (delta: 55.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-14 05:15:57,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.31ms. Allocated memory is still 142.6MB. Free memory was 60.0MB in the beginning and 57.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:15:57,031 INFO L158 Benchmark]: Boogie Preprocessor took 15.38ms. Allocated memory is still 142.6MB. Free memory was 57.8MB in the beginning and 57.0MB in the end (delta: 796.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:15:57,031 INFO L158 Benchmark]: RCFGBuilder took 381.71ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 114.7MB in the end (delta: -57.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-14 05:15:57,031 INFO L158 Benchmark]: TraceAbstraction took 295.73ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 102.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:15:57,032 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 142.6MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:15:57,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 909.09ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 60.0MB in the end (delta: 55.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.31ms. Allocated memory is still 142.6MB. Free memory was 60.0MB in the beginning and 57.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.38ms. Allocated memory is still 142.6MB. Free memory was 57.8MB in the beginning and 57.0MB in the end (delta: 796.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.71ms. Allocated memory is still 142.6MB. Free memory was 57.0MB in the beginning and 114.7MB in the end (delta: -57.8MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 295.73ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 102.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 142.6MB. Free memory is still 102.2MB. 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: 851]: 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 851, overapproximation of someBinaryFLOATComparisonOperation at line 848, overapproximation of someUnaryFLOAToperation at line 850. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = sinf(x); [L850] float z = -sinf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 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=6occurred 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, 3 NumberOfCodeBlocks, 3 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 [2024-11-14 05:15:57,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:15:59,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:16:00,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:16:00,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:16:00,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:16:00,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:16:00,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:16:00,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:16:00,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:16:00,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:16:00,124 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:16:00,126 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:16:00,126 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:16:00,127 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:16:00,127 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:16:00,127 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:16:00,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:16:00,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:16:00,127 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:16:00,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:16:00,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:16:00,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:16:00,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:16:00,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:16:00,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:16:00,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:16:00,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:16:00,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:16:00,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:16:00,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:16:00,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:16:00,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:16:00,132 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:16:00,133 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:16:00,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:16:00,133 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:16:00,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b [2024-11-14 05:16:00,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:16:00,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:16:00,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:16:00,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:16:00,517 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:16:00,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 05:16:02,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:16:03,153 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:16:03,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i [2024-11-14 05:16:03,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data/7833600f2/7f278448e57d495f94cb981dd6cbdde2/FLAG530b3e771 [2024-11-14 05:16:03,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/data/7833600f2/7f278448e57d495f94cb981dd6cbdde2 [2024-11-14 05:16:03,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:16:03,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:16:03,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:16:03,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:16:03,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:16:03,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:16:03" (1/1) ... [2024-11-14 05:16:03,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139189a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:03, skipping insertion in model container [2024-11-14 05:16:03,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:16:03" (1/1) ... [2024-11-14 05:16:03,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:16:04,085 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_c092bedd-a84c-4894-b46d-edefd273c040/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2024-11-14 05:16:04,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:16:04,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:16:04,181 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_c092bedd-a84c-4894-b46d-edefd273c040/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2024-11-14 05:16:04,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:16:04,350 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:16:04,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04 WrapperNode [2024-11-14 05:16:04,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:16:04,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:16:04,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:16:04,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:16:04,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,404 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-14 05:16:04,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:16:04,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:16:04,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:16:04,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:16:04,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:16:04,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:16:04,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:16:04,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:16:04,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (1/1) ... [2024-11-14 05:16:04,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:16:04,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:16:04,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:16:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:16:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:16:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:16:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:16:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:16:04,620 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:16:04,622 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:16:04,715 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-14 05:16:04,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:16:04,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:16:04,727 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:16:04,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:04 BoogieIcfgContainer [2024-11-14 05:16:04,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:16:04,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:16:04,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:16:04,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:16:04,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:16:03" (1/3) ... [2024-11-14 05:16:04,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55482be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:16:04, skipping insertion in model container [2024-11-14 05:16:04,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:16:04" (2/3) ... [2024-11-14 05:16:04,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55482be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:16:04, skipping insertion in model container [2024-11-14 05:16:04,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:04" (3/3) ... [2024-11-14 05:16:04,745 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_7_safe.c-amalgamation.i [2024-11-14 05:16:04,765 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:16:04,768 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sin_7_safe.c-amalgamation.i that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 05:16:04,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:16:04,870 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=FINITE_AUTOMATA, 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;@2ebd982, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:16:04,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:16:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:16:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 05:16:04,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:04,887 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 05:16:04,887 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:16:04,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:04,895 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-14 05:16:04,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:16:04,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846103375] [2024-11-14 05:16:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:04,908 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 [2024-11-14 05:16:04,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:16:04,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:16:04,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:16:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:16:05,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:16:05,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:16:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:16:05,042 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:16:05,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:16:05,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846103375] [2024-11-14 05:16:05,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846103375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:16:05,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:16:05,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:16:05,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727652720] [2024-11-14 05:16:05,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:16:05,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:16:05,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:16:05,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:16:05,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:16:05,071 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-14 05:16:05,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:16:05,083 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-14 05:16:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:16:05,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-14 05:16:05,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:16:05,094 INFO L225 Difference]: With dead ends: 19 [2024-11-14 05:16:05,094 INFO L226 Difference]: Without dead ends: 7 [2024-11-14 05:16:05,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:16:05,103 INFO L432 NwaCegarLoop]: 10 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, 10 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 [2024-11-14 05:16:05,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:16:05,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-14 05:16:05,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-14 05:16:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2024-11-14 05:16:05,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-14 05:16:05,141 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-14 05:16:05,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:16:05,141 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-14 05:16:05,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-14 05:16:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-14 05:16:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 05:16:05,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:16:05,144 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 05:16:05,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:16:05,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:16:05,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:16:05,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:16:05,346 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-14 05:16:05,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:16:05,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979866632] [2024-11-14 05:16:05,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:16:05,348 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 [2024-11-14 05:16:05,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:16:05,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:16:05,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:16:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:16:05,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:16:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:16:05,485 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 05:16:05,485 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:16:05,488 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:16:05,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:16:05,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:16:05,695 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:16:05,706 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:16:05,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:16:05 BoogieIcfgContainer [2024-11-14 05:16:05,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:16:05,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:16:05,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:16:05,711 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:16:05,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:16:04" (3/4) ... [2024-11-14 05:16:05,714 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:16:05,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:16:05,716 INFO L158 Benchmark]: Toolchain (without parser) took 2490.14ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 43.5MB in the end (delta: 46.6MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-14 05:16:05,716 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:16:05,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1121.51ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 77.8MB in the end (delta: 12.3MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-14 05:16:05,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.19ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:16:05,717 INFO L158 Benchmark]: Boogie Preprocessor took 24.81ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 72.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:16:05,721 INFO L158 Benchmark]: RCFGBuilder took 297.77ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 63.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:16:05,721 INFO L158 Benchmark]: TraceAbstraction took 979.00ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 44.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:16:05,722 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 43.5MB in the end (delta: 492.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:16:05,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1121.51ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 77.8MB in the end (delta: 12.3MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.19ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.81ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 72.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.77ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 63.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 979.00ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 44.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 43.5MB in the end (delta: 492.2kB). 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: 851]: 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 sinf at line 849, overapproximation of __builtin_isinf_sign at line 848. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = sinf(x); [L850] float z = -sinf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 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, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:16:05,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c092bedd-a84c-4894-b46d-edefd273c040/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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