./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/cos_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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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 bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:00:15,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:00:15,375 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:00:15,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:00:15,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:00:15,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:00:15,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:00:15,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:00:15,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:00:15,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:00:15,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:00:15,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:00:15,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:00:15,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:00:15,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:00:15,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:00:15,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:00:15,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:00:15,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:00:15,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:00:15,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:00:15,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:00:15,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:00:15,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:00:15,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:00:15,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:00:15,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:00:15,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:00:15,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:00:15,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:00:15,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:00:15,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:00:15,445 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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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 -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2024-11-13 13:00:15,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:00:15,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:00:15,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:00:15,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:00:15,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:00:15,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:00:18,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:00:18,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:00:18,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2024-11-13 13:00:18,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data/4b922dc0a/fc8f4258741a431bbf6886defd88f83a/FLAGf8ae179c2 [2024-11-13 13:00:18,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data/4b922dc0a/fc8f4258741a431bbf6886defd88f83a [2024-11-13 13:00:18,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:00:18,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:00:18,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:00:18,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:00:18,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:00:18,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:00:18" (1/1) ... [2024-11-13 13:00:18,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7967d450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:18, skipping insertion in model container [2024-11-13 13:00:18,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:00:18" (1/1) ... [2024-11-13 13:00:18,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:00:19,559 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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-13 13:00:19,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:00:19,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:00:19,654 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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-13 13:00:19,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:00:19,848 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:00:19,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19 WrapperNode [2024-11-13 13:00:19,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:00:19,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:00:19,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:00:19,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:00:19,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,920 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-11-13 13:00:19,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:00:19,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:00:19,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:00:19,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:00:19,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,939 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,956 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-13 13:00:19,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:00:19,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:00:19,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:00:19,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:00:19,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (1/1) ... [2024-11-13 13:00:19,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:00:19,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:00:20,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:00:20,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:00:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:00:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:00:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:00:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:00:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:00:20,156 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:00:20,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:00:20,244 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 13:00:20,244 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:00:20,257 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:00:20,257 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:00:20,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:20 BoogieIcfgContainer [2024-11-13 13:00:20,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:00:20,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:00:20,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:00:20,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:00:20,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:00:18" (1/3) ... [2024-11-13 13:00:20,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbf72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:00:20, skipping insertion in model container [2024-11-13 13:00:20,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:19" (2/3) ... [2024-11-13 13:00:20,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbf72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:00:20, skipping insertion in model container [2024-11-13 13:00:20,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:20" (3/3) ... [2024-11-13 13:00:20,269 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_7_safe.c-amalgamation.i [2024-11-13 13:00:20,287 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:00:20,289 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cos_7_safe.c-amalgamation.i that has 1 procedures, 12 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 13:00:20,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:00:20,383 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;@7b365408, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:00:20,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:00:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:00:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:00:20,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:00:20,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:20,397 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:00:20,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1805028935, now seen corresponding path program 1 times [2024-11-13 13:00:20,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:20,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720180206] [2024-11-13 13:00:20,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:20,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:00:20,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:00:20,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720180206] [2024-11-13 13:00:20,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720180206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:20,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:20,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:20,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140511750] [2024-11-13 13:00:20,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:20,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:00:20,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:00:20,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:00:20,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:00:20,671 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:00:20,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:00:20,685 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2024-11-13 13:00:20,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:00:20,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-13 13:00:20,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:00:20,694 INFO L225 Difference]: With dead ends: 20 [2024-11-13 13:00:20,695 INFO L226 Difference]: Without dead ends: 8 [2024-11-13 13:00:20,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:00:20,703 INFO L432 NwaCegarLoop]: 12 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, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:00:20,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:00:20,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-13 13:00:20,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-13 13:00:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:00:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-13 13:00:20,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 7 [2024-11-13 13:00:20,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:00:20,743 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-11-13 13:00:20,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:00:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-13 13:00:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 13:00:20,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:00:20,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:00:20,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:00:20,744 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:00:20,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:20,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1805088517, now seen corresponding path program 1 times [2024-11-13 13:00:20,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:00:20,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905755433] [2024-11-13 13:00:20,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:20,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:00:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:00:20,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:00:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:00:20,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:00:20,808 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:00:20,810 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:00:20,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:00:20,814 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:00:20,829 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:00:20,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:00:20 BoogieIcfgContainer [2024-11-13 13:00:20,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:00:20,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:00:20,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:00:20,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:00:20,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:20" (3/4) ... [2024-11-13 13:00:20,840 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:00:20,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:00:20,843 INFO L158 Benchmark]: Toolchain (without parser) took 2284.53ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 50.7MB in the end (delta: 39.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-13 13:00:20,844 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:20,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1289.50ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 83.9MB in the end (delta: 6.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-13 13:00:20,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.73ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 81.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:00:20,847 INFO L158 Benchmark]: Boogie Preprocessor took 44.35ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:20,847 INFO L158 Benchmark]: RCFGBuilder took 290.25ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 71.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:00:20,848 INFO L158 Benchmark]: TraceAbstraction took 573.39ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 51.3MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:00:20,849 INFO L158 Benchmark]: Witness Printer took 7.62ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 587.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:20,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1289.50ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 83.9MB in the end (delta: 6.8MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.73ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 81.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.35ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 290.25ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 71.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 573.39ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 51.3MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.62ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 50.7MB in the end (delta: 587.2kB). 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 cosf at line 849, overapproximation of someBinaryFLOATComparisonOperation at line 848, overapproximation of someBinaryFLOATComparisonOperation at line 851. 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 = cosf(x); [L850] float z = cosf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 12 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, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:00:20,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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 bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:00:23,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:00:23,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:00:23,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:00:23,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:00:24,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:00:24,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:00:24,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:00:24,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:00:24,034 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:00:24,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:00:24,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:00:24,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:00:24,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:00:24,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:00:24,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:00:24,036 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:00:24,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:00:24,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:00:24,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:00:24,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:00:24,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:00:24,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:00:24,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:00:24,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:00:24,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:00:24,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:00:24,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:00:24,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:00:24,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:00:24,040 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:00:24,040 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:00:24,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:00:24,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:00:24,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:00:24,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:00:24,040 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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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 -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2024-11-13 13:00:24,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:00:24,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:00:24,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:00:24,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:00:24,442 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:00:24,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:00:26,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:00:27,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:00:27,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2024-11-13 13:00:27,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data/534194c1e/c247d7a26738405594da0a0a25349628/FLAG09b6983e9 [2024-11-13 13:00:27,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/data/534194c1e/c247d7a26738405594da0a0a25349628 [2024-11-13 13:00:27,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:00:27,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:00:27,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:00:27,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:00:27,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:00:27,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:00:27" (1/1) ... [2024-11-13 13:00:27,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca28aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:27, skipping insertion in model container [2024-11-13 13:00:27,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:00:27" (1/1) ... [2024-11-13 13:00:27,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:00:28,410 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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-13 13:00:28,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:00:28,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:00:28,491 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_3b234e5b-77c7-45be-9831-a36ae7dd8eac/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2024-11-13 13:00:28,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:00:28,779 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:00:28,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28 WrapperNode [2024-11-13 13:00:28,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:00:28,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:00:28,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:00:28,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:00:28,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,928 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-13 13:00:28,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:00:28,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:00:28,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:00:28,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:00:28,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,965 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-13 13:00:28,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:28,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:00:28,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:00:28,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:00:28,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:00:28,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (1/1) ... [2024-11-13 13:00:29,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:00:29,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:00:29,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:00:29,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:00:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:00:29,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 13:00:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:00:29,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:00:29,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:00:29,225 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:00:29,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:00:29,321 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 13:00:29,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:00:29,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:00:29,332 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:00:29,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:29 BoogieIcfgContainer [2024-11-13 13:00:29,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:00:29,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:00:29,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:00:29,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:00:29,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:00:27" (1/3) ... [2024-11-13 13:00:29,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4324a138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:00:29, skipping insertion in model container [2024-11-13 13:00:29,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:00:28" (2/3) ... [2024-11-13 13:00:29,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4324a138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:00:29, skipping insertion in model container [2024-11-13 13:00:29,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:29" (3/3) ... [2024-11-13 13:00:29,351 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_7_safe.c-amalgamation.i [2024-11-13 13:00:29,372 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:00:29,374 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG cos_7_safe.c-amalgamation.i that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 13:00:29,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:00:29,457 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;@2f2ec71e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:00:29,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:00:29,463 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) [2024-11-13 13:00:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 13:00:29,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:00:29,473 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:00:29,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:00:29,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:29,480 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-13 13:00:29,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:00:29,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94530493] [2024-11-13 13:00:29,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:29,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:00:29,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:00:29,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:00:29,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 13:00:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:00:29,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:00:29,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:00:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:00:29,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:00:29,633 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:00:29,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94530493] [2024-11-13 13:00:29,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94530493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:00:29,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:00:29,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:00:29,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286560336] [2024-11-13 13:00:29,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:00:29,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:00:29,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:00:29,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:00:29,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:00:29,685 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) [2024-11-13 13:00:29,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:00:29,696 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-13 13:00:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:00:29,698 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 [2024-11-13 13:00:29,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:00:29,704 INFO L225 Difference]: With dead ends: 19 [2024-11-13 13:00:29,704 INFO L226 Difference]: Without dead ends: 7 [2024-11-13 13:00:29,707 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 [2024-11-13 13:00:29,711 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 [2024-11-13 13:00:29,712 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] [2024-11-13 13:00:29,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-13 13:00:29,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-13 13:00:29,741 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) [2024-11-13 13:00:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-13 13:00:29,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-13 13:00:29,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:00:29,748 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-13 13:00:29,748 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) [2024-11-13 13:00:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-13 13:00:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 13:00:29,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:00:29,749 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:00:29,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 13:00:29,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:00:29,950 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:00:29,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:00:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-13 13:00:29,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:00:29,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430559424] [2024-11-13 13:00:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:00:29,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:00:29,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:00:29,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:00:29,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 13:00:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:00:30,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:00:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:00:30,091 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 13:00:30,092 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:00:30,094 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:00:30,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 13:00:30,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:00:30,304 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:00:30,317 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:00:30,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:00:30 BoogieIcfgContainer [2024-11-13 13:00:30,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:00:30,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:00:30,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:00:30,322 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:00:30,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:00:29" (3/4) ... [2024-11-13 13:00:30,326 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:00:30,327 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:00:30,331 INFO L158 Benchmark]: Toolchain (without parser) took 3215.75ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 46.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-13 13:00:30,331 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 17.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:30,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1665.34ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 31.8MB in the end (delta: 24.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-13 13:00:30,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.74ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 53.1MB in the end (delta: -21.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-13 13:00:30,332 INFO L158 Benchmark]: Boogie Preprocessor took 65.13ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 51.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:30,333 INFO L158 Benchmark]: RCFGBuilder took 338.58ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 42.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:00:30,333 INFO L158 Benchmark]: TraceAbstraction took 985.10ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 47.3MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:30,333 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.9MB in the end (delta: 425.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:00:30,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 17.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1665.34ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 31.8MB in the end (delta: 24.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.74ms. Allocated memory is still 83.9MB. Free memory was 31.8MB in the beginning and 53.1MB in the end (delta: -21.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.13ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 51.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.58ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 42.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 985.10ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 47.3MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 46.9MB in the end (delta: 425.8kB). 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 cosf 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 = cosf(x); [L850] float z = cosf(-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 [2024-11-13 13:00:30,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b234e5b-77c7-45be-9831-a36ae7dd8eac/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