./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1 --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 a966a605a376a7423f0837302dd49b8eac83714d1a5a5b057358f5c771a14c45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:48:21,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:48:21,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:48:21,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:48:21,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:48:21,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:48:21,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:48:21,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:48:21,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:48:21,299 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:48:21,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:48:21,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:48:21,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:48:21,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:48:21,300 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:48:21,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:48:21,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:48:21,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:48:21,302 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:48:21,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:48:21,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:48:21,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:48:21,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:48:21,304 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_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1 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 -> a966a605a376a7423f0837302dd49b8eac83714d1a5a5b057358f5c771a14c45 [2024-12-02 14:48:21,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:48:21,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:48:21,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:48:21,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:48:21,524 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:48:21,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2024-12-02 14:48:24,101 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/5dec8121c/c0f1a14ad7a2440d84cfffe960c89b2e/FLAG859dd46e7 [2024-12-02 14:48:24,371 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:48:24,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2024-12-02 14:48:24,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/5dec8121c/c0f1a14ad7a2440d84cfffe960c89b2e/FLAG859dd46e7 [2024-12-02 14:48:24,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/5dec8121c/c0f1a14ad7a2440d84cfffe960c89b2e [2024-12-02 14:48:24,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:48:24,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:48:24,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:48:24,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:48:24,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:48:24,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:24" (1/1) ... [2024-12-02 14:48:24,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a599644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:24, skipping insertion in model container [2024-12-02 14:48:24,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:24" (1/1) ... [2024-12-02 14:48:24,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:48:25,205 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-12-02 14:48:25,209 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_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2024-12-02 14:48:25,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:48:25,218 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:48:25,261 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-12-02 14:48:25,262 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_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2024-12-02 14:48:25,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:48:25,374 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:48:25,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25 WrapperNode [2024-12-02 14:48:25,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:48:25,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:48:25,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:48:25,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:48:25,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,405 INFO L138 Inliner]: procedures = 558, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-12-02 14:48:25,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:48:25,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:48:25,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:48:25,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:48:25,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,414 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,423 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]. [2024-12-02 14:48:25,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,428 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:48:25,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:48:25,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:48:25,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:48:25,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (1/1) ... [2024-12-02 14:48:25,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:48:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:48:25,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:48:25,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:48:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:48:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:48:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:48:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2024-12-02 14:48:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2024-12-02 14:48:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:48:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:48:25,559 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:48:25,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:48:25,611 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-02 14:48:25,612 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:48:25,619 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:48:25,619 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:48:25,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:25 BoogieIcfgContainer [2024-12-02 14:48:25,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:48:25,621 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:48:25,621 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:48:25,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:48:25,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:48:24" (1/3) ... [2024-12-02 14:48:25,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17220abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:48:25, skipping insertion in model container [2024-12-02 14:48:25,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:25" (2/3) ... [2024-12-02 14:48:25,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17220abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:48:25, skipping insertion in model container [2024-12-02 14:48:25,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:25" (3/3) ... [2024-12-02 14:48:25,626 INFO L128 eAbstractionObserver]: Analyzing ICFG softplus_5_safe.c-amalgamation.i [2024-12-02 14:48:25,641 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:48:25,642 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG softplus_5_safe.c-amalgamation.i that has 2 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 14:48:25,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:48:25,697 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;@1a640edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:48:25,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:48:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:48:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 14:48:25,707 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:25,707 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:48:25,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:25,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:25,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-12-02 14:48:25,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:48:25,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354364642] [2024-12-02 14:48:25,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:25,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:48:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 14:48:25,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:48:25,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354364642] [2024-12-02 14:48:25,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354364642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:48:25,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:48:25,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:48:25,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573737799] [2024-12-02 14:48:25,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:48:25,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:48:25,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:48:25,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:48:25,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:48:25,855 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:48:25,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:25,865 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-12-02 14:48:25,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:48:25,866 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-12-02 14:48:25,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:25,871 INFO L225 Difference]: With dead ends: 31 [2024-12-02 14:48:25,872 INFO L226 Difference]: Without dead ends: 13 [2024-12-02 14:48:25,874 INFO L434 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 [2024-12-02 14:48:25,877 INFO L435 NwaCegarLoop]: 17 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, 17 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 [2024-12-02 14:48:25,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:48:25,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-12-02 14:48:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-12-02 14:48:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:48:25,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-12-02 14:48:25,906 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-12-02 14:48:25,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:48:25,907 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-12-02 14:48:25,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:48:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-12-02 14:48:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 14:48:25,908 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:25,908 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:48:25,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:48:25,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:25,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:25,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-12-02 14:48:25,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:48:25,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202231599] [2024-12-02 14:48:25,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:25,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:48:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:48:25,928 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:48:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:48:25,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:48:25,953 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:48:25,955 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:48:25,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:48:25,960 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 14:48:25,974 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:48:25,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:48:25 BoogieIcfgContainer [2024-12-02 14:48:25,977 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:48:25,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:48:25,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:48:25,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:48:25,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:25" (3/4) ... [2024-12-02 14:48:25,981 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:48:25,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:48:25,982 INFO L158 Benchmark]: Toolchain (without parser) took 1320.22ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 79.1MB in the end (delta: 38.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-02 14:48:25,983 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:25,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.52ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 113.4MB in the end (delta: 3.8MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-12-02 14:48:25,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.32ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 110.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:25,983 INFO L158 Benchmark]: Boogie Preprocessor took 27.39ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 109.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:25,984 INFO L158 Benchmark]: RCFGBuilder took 185.81ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 100.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:48:25,984 INFO L158 Benchmark]: TraceAbstraction took 356.55ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 79.1MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:48:25,984 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:25,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.52ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 113.4MB in the end (delta: 3.8MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.32ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 110.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.39ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 109.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 185.81ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 100.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 356.55ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 79.1MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.68ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. 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 log1pf at line 847, overapproximation of someBinaryFLOATComparisonOperation at line 857, overapproximation of someBinaryFLOATComparisonOperation at line 853, overapproximation of someBinaryArithmeticFLOAToperation at line 852, overapproximation of someBinaryArithmeticFLOAToperation at line 856. Possible FailurePath: [L851] float x1 = __VERIFIER_nondet_float(); [L852] float x2 = x1 + 1e-5f; [L853] COND FALSE !(!(__builtin_islessequal(x1, 88.0f))) [L854] CALL, EXPR softplus(x1) VAL [\old(x)=119] [L847] return log1pf(expf(x)); [L854] RET, EXPR softplus(x1) VAL [x1=119] [L854] float y1 = softplus(x1); [L855] CALL, EXPR softplus(x2) VAL [\old(x)=117] [L847] return log1pf(expf(x)); [L855] RET, EXPR softplus(x2) VAL [x1=119, x2=117] [L855] float y2 = softplus(x2); [L856] float derivative = (y2 - y1) / 1e-5f; VAL [x1=119, x2=117] [L857] COND TRUE !(__builtin_isgreaterequal(derivative, 0.0f)) VAL [x1=119, x2=117] [L857] reach_error() VAL [x1=119, x2=117] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 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, 17 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=17occurred 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, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:48:25,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1 --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 a966a605a376a7423f0837302dd49b8eac83714d1a5a5b057358f5c771a14c45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:48:27,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:48:27,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:48:28,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:48:28,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:48:28,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:48:28,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:48:28,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:48:28,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:48:28,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:48:28,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:48:28,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:48:28,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:48:28,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:48:28,025 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:48:28,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:48:28,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:48:28,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:48:28,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:48:28,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:48:28,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:48:28,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:48:28,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:48:28,029 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_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1 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 -> a966a605a376a7423f0837302dd49b8eac83714d1a5a5b057358f5c771a14c45 [2024-12-02 14:48:28,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:48:28,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:48:28,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:48:28,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:48:28,262 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:48:28,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2024-12-02 14:48:31,064 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/6e1dbd61e/93f42fd3b25e4439b61fb4e3d3292669/FLAG6086b8aa2 [2024-12-02 14:48:31,316 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:48:31,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2024-12-02 14:48:31,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/6e1dbd61e/93f42fd3b25e4439b61fb4e3d3292669/FLAG6086b8aa2 [2024-12-02 14:48:31,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/data/6e1dbd61e/93f42fd3b25e4439b61fb4e3d3292669 [2024-12-02 14:48:31,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:48:31,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:48:31,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:48:31,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:48:31,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:48:31,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:31" (1/1) ... [2024-12-02 14:48:31,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795ef182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:31, skipping insertion in model container [2024-12-02 14:48:31,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:48:31" (1/1) ... [2024-12-02 14:48:31,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:48:32,108 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-12-02 14:48:32,113 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_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2024-12-02 14:48:32,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:48:32,126 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:48:32,173 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-12-02 14:48:32,173 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_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2024-12-02 14:48:32,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:48:32,288 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:48:32,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32 WrapperNode [2024-12-02 14:48:32,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:48:32,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:48:32,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:48:32,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:48:32,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,329 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-12-02 14:48:32,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:48:32,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:48:32,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:48:32,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:48:32,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,351 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]. [2024-12-02 14:48:32,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,357 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:48:32,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:48:32,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:48:32,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:48:32,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (1/1) ... [2024-12-02 14:48:32,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:48:32,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:48:32,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:48:32,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:48:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:48:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 14:48:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:48:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:48:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:48:32,428 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2024-12-02 14:48:32,428 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2024-12-02 14:48:32,510 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:48:32,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:48:33,630 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-02 14:48:33,631 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:48:33,639 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:48:33,639 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:48:33,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:33 BoogieIcfgContainer [2024-12-02 14:48:33,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:48:33,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:48:33,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:48:33,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:48:33,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:48:31" (1/3) ... [2024-12-02 14:48:33,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec59a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:48:33, skipping insertion in model container [2024-12-02 14:48:33,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:48:32" (2/3) ... [2024-12-02 14:48:33,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec59a87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:48:33, skipping insertion in model container [2024-12-02 14:48:33,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:33" (3/3) ... [2024-12-02 14:48:33,649 INFO L128 eAbstractionObserver]: Analyzing ICFG softplus_5_safe.c-amalgamation.i [2024-12-02 14:48:33,663 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:48:33,664 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG softplus_5_safe.c-amalgamation.i that has 2 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 14:48:33,701 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:48:33,711 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;@80ad150, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:48:33,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:48:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:48:33,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 14:48:33,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:33,720 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:48:33,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:33,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:33,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-12-02 14:48:33,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:48:33,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477137245] [2024-12-02 14:48:33,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:33,736 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 [2024-12-02 14:48:33,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:48:33,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:48:33,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:48:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:34,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:48:34,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:48:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 14:48:34,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:48:34,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:48:34,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477137245] [2024-12-02 14:48:34,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477137245] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:48:34,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:48:34,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:48:34,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790754644] [2024-12-02 14:48:34,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:48:34,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:48:34,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:48:34,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:48:34,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:48:34,039 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:48:34,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:34,048 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-12-02 14:48:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:48:34,050 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-12-02 14:48:34,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:34,053 INFO L225 Difference]: With dead ends: 31 [2024-12-02 14:48:34,054 INFO L226 Difference]: Without dead ends: 13 [2024-12-02 14:48:34,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:48:34,058 INFO L435 NwaCegarLoop]: 17 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, 17 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 [2024-12-02 14:48:34,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:48:34,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-12-02 14:48:34,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-12-02 14:48:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:48:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-12-02 14:48:34,079 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-12-02 14:48:34,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:48:34,080 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-12-02 14:48:34,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:48:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-12-02 14:48:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 14:48:34,081 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:34,081 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:48:34,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:48:34,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:48:34,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:34,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:34,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-12-02 14:48:34,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:48:34,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114047678] [2024-12-02 14:48:34,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:34,283 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 [2024-12-02 14:48:34,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:48:34,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:48:34,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:48:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:48:34,536 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:48:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:48:34,779 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 14:48:34,779 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:48:34,780 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:48:34,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:48:34,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:48:34,985 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 14:48:35,006 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:48:35,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:48:35 BoogieIcfgContainer [2024-12-02 14:48:35,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:48:35,009 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:48:35,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:48:35,010 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:48:35,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:48:33" (3/4) ... [2024-12-02 14:48:35,012 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:48:35,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:48:35,014 INFO L158 Benchmark]: Toolchain (without parser) took 3378.35ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 37.7MB in the end (delta: 29.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-12-02 14:48:35,014 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:35,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.83ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 39.1MB in the end (delta: 28.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-12-02 14:48:35,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.88ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:35,015 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 92.3MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:35,015 INFO L158 Benchmark]: RCFGBuilder took 1275.29ms. Allocated memory is still 92.3MB. Free memory was 34.8MB in the beginning and 59.5MB in the end (delta: -24.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-12-02 14:48:35,015 INFO L158 Benchmark]: TraceAbstraction took 1366.95ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 38.1MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:48:35,016 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 92.3MB. Free memory was 38.1MB in the beginning and 37.7MB in the end (delta: 441.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:48:35,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.83ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 39.1MB in the end (delta: 28.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.88ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 92.3MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1275.29ms. Allocated memory is still 92.3MB. Free memory was 34.8MB in the beginning and 59.5MB in the end (delta: -24.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1366.95ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 38.1MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 92.3MB. Free memory was 38.1MB in the beginning and 37.7MB in the end (delta: 441.9kB). 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 log1pf at line 847. Possible FailurePath: [L851] float x1 = __VERIFIER_nondet_float(); [L852] float x2 = x1 + 1e-5f; VAL [x1=0.0, x2=0.000009999999747378752] [L853] COND FALSE !(!(__builtin_islessequal(x1, 88.0f))) VAL [x1=0.0, x2=0.000009999999747378752] [L854] CALL, EXPR softplus(x1) VAL [\old(x)=0.0] [L847] return log1pf(expf(x)); [L854] RET, EXPR softplus(x1) VAL [x1=0.0, x2=0.000009999999747378752] [L854] float y1 = softplus(x1); [L855] CALL, EXPR softplus(x2) VAL [\old(x)=0.000009999999747378752] [L847] return log1pf(expf(x)); [L855] RET, EXPR softplus(x2) VAL [x1=0.0, x2=0.000009999999747378752, y1=594447261623262300000000000000] [L855] float y2 = softplus(x2); [L856] float derivative = (y2 - y1) / 1e-5f; VAL [derivative=-8809083522291662000000000000000000, x1=0.0, x2=0.000009999999747378752] [L857] COND TRUE !(__builtin_isgreaterequal(derivative, 0.0f)) VAL [x1=0.0, x2=0.000009999999747378752] [L857] reach_error() VAL [x1=0.0, x2=0.000009999999747378752] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 17 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, 17 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:48:35,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91cb6ec3-cb97-4e5b-bd51-9e059c5d2611/bin/uautomizer-verify-84ZbGMXZE1/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