./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx --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 74c4feb981688be903dea7fb1356134d10d4f0f3307cf0419438ea49017f594f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:03:25,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:03:25,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 21:03:25,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:03:25,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:03:25,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:03:25,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:03:25,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:03:25,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:03:25,941 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:03:25,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:03:25,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:03:25,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:03:25,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:03:25,947 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:03:25,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:03:25,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:03:25,949 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:03:25,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:03:25,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:03:25,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:03:25,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:03:25,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:03:25,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:03:25,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:03:25,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:03:25,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:03:25,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:03:25,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:03:25,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:03:25,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:03:25,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:25,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:03:25,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:03:25,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:03:25,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:03:25,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:03:25,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:03:25,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:03:25,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:03:25,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:03:25,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:03:25,959 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74c4feb981688be903dea7fb1356134d10d4f0f3307cf0419438ea49017f594f [2023-11-21 21:03:26,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:03:26,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:03:26,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:03:26,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:03:26,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:03:26,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i [2023-11-21 21:03:29,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:03:29,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:03:29,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i [2023-11-21 21:03:30,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data/046bb3792/534f48149c3445679827c348a092f395/FLAG6bd3a30c6 [2023-11-21 21:03:30,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data/046bb3792/534f48149c3445679827c348a092f395 [2023-11-21 21:03:30,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:03:30,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:03:30,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:30,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:03:30,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:03:30,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:30" (1/1) ... [2023-11-21 21:03:30,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335dca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:30, skipping insertion in model container [2023-11-21 21:03:30,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:30" (1/1) ... [2023-11-21 21:03:30,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:03:30,377 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:30,839 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 21:03:30,842 WARN L240 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_acaa4b80-b363-4fb7-acb6-91a415fd0731/sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i[63074,63087] [2023-11-21 21:03:30,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:30,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:03:30,876 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:30,907 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 21:03:30,908 WARN L240 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_acaa4b80-b363-4fb7-acb6-91a415fd0731/sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i[63074,63087] [2023-11-21 21:03:30,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:31,077 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:31,077 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:31,085 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:03:31,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31 WrapperNode [2023-11-21 21:03:31,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:31,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:31,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:03:31,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:03:31,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,140 INFO L138 Inliner]: procedures = 560, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-21 21:03:31,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:31,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:03:31,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:03:31,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:03:31,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,152 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,161 INFO L187 HeapSplitter]: Split 9 memory accesses to 2 slices as follows [2, 7] [2023-11-21 21:03:31,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:03:31,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:03:31,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:03:31,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:03:31,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (1/1) ... [2023-11-21 21:03:31,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:31,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:31,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:03:31,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:03:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:03:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:03:31,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:03:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-21 21:03:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:03:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:03:31,337 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:03:31,340 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:03:31,427 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:03:31,509 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:03:31,509 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:03:31,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:31 BoogieIcfgContainer [2023-11-21 21:03:31,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:03:31,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:03:31,514 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:03:31,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:03:31,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:30" (1/3) ... [2023-11-21 21:03:31,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fb5bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:31, skipping insertion in model container [2023-11-21 21:03:31,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:31" (2/3) ... [2023-11-21 21:03:31,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fb5bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:31, skipping insertion in model container [2023-11-21 21:03:31,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:31" (3/3) ... [2023-11-21 21:03:31,521 INFO L112 eAbstractionObserver]: Analyzing ICFG elu_0_safe.c-amalgamation.i [2023-11-21 21:03:31,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:03:31,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:03:31,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:03:31,612 INFO L357 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, mHoare=true, 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;@1e827919, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:03:31,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:03:31,616 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) [2023-11-21 21:03:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 21:03:31,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:31,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 21:03:31,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:03:31,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:31,634 INFO L85 PathProgramCache]: Analyzing trace with hash 65957, now seen corresponding path program 1 times [2023-11-21 21:03:31,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:03:31,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61776557] [2023-11-21 21:03:31,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:31,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:03:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:03:31,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:03:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:03:31,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:03:31,846 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 21:03:31,847 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:03:31,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:03:31,855 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 21:03:31,862 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:03:31,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:31 BoogieIcfgContainer [2023-11-21 21:03:31,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:03:31,887 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:03:31,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:03:31,888 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:03:31,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:31" (3/4) ... [2023-11-21 21:03:31,890 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 21:03:31,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:03:31,892 INFO L158 Benchmark]: Toolchain (without parser) took 1855.91ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 108.3MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:31,893 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:31,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.98ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 86.5MB in the end (delta: 13.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-11-21 21:03:31,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.50ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 83.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:31,896 INFO L158 Benchmark]: Boogie Preprocessor took 32.57ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 82.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:31,901 INFO L158 Benchmark]: RCFGBuilder took 336.84ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 69.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:03:31,902 INFO L158 Benchmark]: TraceAbstraction took 371.98ms. Allocated memory is still 142.6MB. Free memory was 68.5MB in the beginning and 108.4MB in the end (delta: -39.9MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-21 21:03:31,903 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 108.3MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:31,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.98ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 86.5MB in the end (delta: 13.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.50ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 83.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.57ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 82.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.84ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 69.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 371.98ms. Allocated memory is still 142.6MB. Free memory was 68.5MB in the beginning and 108.4MB in the end (delta: -39.9MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 108.3MB in the end (delta: 78.5kB). 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: 857]: 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 857. Possible FailurePath: [L854] float x = __VERIFIER_nondet_float(); [L855] COND FALSE !(!(!__builtin_isnan (x))) [L856] CALL, EXPR elu(x) [L847] COND FALSE !(x >= 0.0f) [L850] return expm1f(x); [L856] RET, EXPR elu(x) [L856] float y = elu(x); [L857] COND TRUE !(__builtin_isgreaterequal(y, -1.0f)) VAL [x=117, y=117] [L857] reach_error() VAL [x=117, y=117] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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 [2023-11-21 21:03:31,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx --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 74c4feb981688be903dea7fb1356134d10d4f0f3307cf0419438ea49017f594f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:03:34,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:03:34,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 21:03:34,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:03:34,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:03:34,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:03:34,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:03:34,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:03:34,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:03:34,756 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:03:34,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:03:34,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:03:34,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:03:34,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:03:34,760 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:03:34,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:03:34,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:03:34,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:03:34,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:03:34,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:03:34,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:03:34,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:03:34,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:03:34,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 21:03:34,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 21:03:34,770 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 21:03:34,770 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:03:34,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:03:34,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:03:34,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:03:34,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:03:34,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:03:34,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:03:34,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:34,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:03:34,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:03:34,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:03:34,775 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 21:03:34,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 21:03:34,776 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:03:34,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:03:34,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:03:34,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:03:34,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:03:34,781 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 21:03:34,782 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74c4feb981688be903dea7fb1356134d10d4f0f3307cf0419438ea49017f594f [2023-11-21 21:03:35,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:03:35,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:03:35,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:03:35,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:03:35,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:03:35,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i [2023-11-21 21:03:38,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:03:38,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:03:38,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i [2023-11-21 21:03:39,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data/20008b133/ddd9eae92da64f9884e85a65696c144f/FLAGec0b34171 [2023-11-21 21:03:39,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/data/20008b133/ddd9eae92da64f9884e85a65696c144f [2023-11-21 21:03:39,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:03:39,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:03:39,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:39,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:03:39,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:03:39,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:39" (1/1) ... [2023-11-21 21:03:39,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798cb0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:39, skipping insertion in model container [2023-11-21 21:03:39,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:03:39" (1/1) ... [2023-11-21 21:03:39,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:03:39,411 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:39,987 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 21:03:39,989 WARN L240 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_acaa4b80-b363-4fb7-acb6-91a415fd0731/sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i[63074,63087] [2023-11-21 21:03:39,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:40,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:03:40,031 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 21:03:40,064 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 21:03:40,066 WARN L240 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_acaa4b80-b363-4fb7-acb6-91a415fd0731/sv-benchmarks/c/neural-networks/elu_0_safe.c-amalgamation.i[63074,63087] [2023-11-21 21:03:40,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:03:40,234 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:40,234 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:03:40,241 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:03:40,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40 WrapperNode [2023-11-21 21:03:40,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:03:40,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:40,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:03:40,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:03:40,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,314 INFO L138 Inliner]: procedures = 561, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-21 21:03:40,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:03:40,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:03:40,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:03:40,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:03:40,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,331 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,340 INFO L187 HeapSplitter]: Split 9 memory accesses to 2 slices as follows [2, 7] [2023-11-21 21:03:40,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:03:40,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:03:40,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:03:40,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:03:40,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (1/1) ... [2023-11-21 21:03:40,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:03:40,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:03:40,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:03:40,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:03:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 21:03:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 21:03:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:03:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:03:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:03:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-21 21:03:40,576 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:03:40,578 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:03:40,722 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:03:40,805 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:03:40,805 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 21:03:40,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:40 BoogieIcfgContainer [2023-11-21 21:03:40,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:03:40,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:03:40,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:03:40,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:03:40,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:03:39" (1/3) ... [2023-11-21 21:03:40,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efe4fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:40, skipping insertion in model container [2023-11-21 21:03:40,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:03:40" (2/3) ... [2023-11-21 21:03:40,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efe4fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:03:40, skipping insertion in model container [2023-11-21 21:03:40,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:40" (3/3) ... [2023-11-21 21:03:40,825 INFO L112 eAbstractionObserver]: Analyzing ICFG elu_0_safe.c-amalgamation.i [2023-11-21 21:03:40,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:03:40,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:03:40,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:03:40,915 INFO L357 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, mHoare=true, 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;@4d95fe93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:03:40,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:03:40,920 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) [2023-11-21 21:03:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 21:03:40,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:03:40,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 21:03:40,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:03:40,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:03:40,934 INFO L85 PathProgramCache]: Analyzing trace with hash 65957, now seen corresponding path program 1 times [2023-11-21 21:03:40,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:03:40,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379352146] [2023-11-21 21:03:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:03:40,949 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 [2023-11-21 21:03:40,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:03:40,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 21:03:40,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:03:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:03:41,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:03:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:03:41,141 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-21 21:03:41,143 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 21:03:41,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 21:03:41,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/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)] Forceful destruction successful, exit code 0 [2023-11-21 21:03:41,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 21:03:41,355 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 21:03:41,360 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:03:41,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:03:41 BoogieIcfgContainer [2023-11-21 21:03:41,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:03:41,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:03:41,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:03:41,390 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:03:41,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:03:40" (3/4) ... [2023-11-21 21:03:41,393 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 21:03:41,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:03:41,395 INFO L158 Benchmark]: Toolchain (without parser) took 2363.57ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-21 21:03:41,396 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:41,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1206.61ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 74.8MB in the end (delta: 640.9kB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-21 21:03:41,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.17ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 72.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:03:41,405 INFO L158 Benchmark]: Boogie Preprocessor took 40.90ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:03:41,406 INFO L158 Benchmark]: RCFGBuilder took 453.90ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 54.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 21:03:41,407 INFO L158 Benchmark]: TraceAbstraction took 574.28ms. Allocated memory is still 102.8MB. Free memory was 53.9MB in the beginning and 73.2MB in the end (delta: -19.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:03:41,408 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:03:41,417 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 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1206.61ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 74.8MB in the end (delta: 640.9kB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.17ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 72.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.90ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.90ms. Allocated memory is still 102.8MB. Free memory was 70.2MB in the beginning and 54.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 574.28ms. Allocated memory is still 102.8MB. Free memory was 53.9MB in the beginning and 73.2MB in the end (delta: -19.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 73.2MB in the end (delta: 2.6kB). 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: 857]: 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 expm1f at line 850. Possible FailurePath: [L854] float x = __VERIFIER_nondet_float(); [L855] COND FALSE !(!(!__builtin_isnan (x))) [L856] CALL, EXPR elu(x) [L847] COND FALSE !(x >= 0.0f) [L850] return expm1f(x); [L856] RET, EXPR elu(x) [L856] float y = elu(x); [L857] COND TRUE !(__builtin_isgreaterequal(y, -1.0f)) VAL [x=-0.000000000000000000000000000025243548967072378, y=NaN] [L857] reach_error() VAL [x=-0.000000000000000000000000000025243548967072378, y=NaN] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 [2023-11-21 21:03:41,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaa4b80-b363-4fb7-acb6-91a415fd0731/bin/uautomizer-verify-bycVGegfSx/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample