./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 02:08:41,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:08:41,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:08:41,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:08:41,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:08:41,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:08:41,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:08:41,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:08:41,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:08:41,190 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:08:41,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:08:41,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:08:41,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:08:41,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:08:41,193 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:08:41,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:08:41,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:08:41,195 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:08:41,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:08:41,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:08:41,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:08:41,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:08:41,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:08:41,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:08:41,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:08:41,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:08:41,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:08:41,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:08:41,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:08:41,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:08:41,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:08:41,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:08:41,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:08:41,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:08:41,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:08:41,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:08:41,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:08:41,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:08:41,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:08:41,204 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:08:41,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:08:41,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:08:41,205 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_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a966a605a376a7423f0837302dd49b8eac83714d1a5a5b057358f5c771a14c45 [2023-11-29 02:08:41,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:08:41,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:08:41,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:08:41,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:08:41,515 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:08:41,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2023-11-29 02:08:44,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:08:44,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:08:44,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2023-11-29 02:08:44,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data/e92a7558d/a9390b55d12f445ea6f623e6351c8d26/FLAG0ffb4bbd2 [2023-11-29 02:08:44,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data/e92a7558d/a9390b55d12f445ea6f623e6351c8d26 [2023-11-29 02:08:44,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:08:44,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:08:44,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:08:44,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:08:44,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:08:44,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:08:44" (1/1) ... [2023-11-29 02:08:44,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccd8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:44, skipping insertion in model container [2023-11-29 02:08:44,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:08:44" (1/1) ... [2023-11-29 02:08:44,728 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:08:45,420 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-29 02:08:45,421 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_8480ce0f-133b-4589-9f77-6d9c79dbf680/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2023-11-29 02:08:45,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:08:45,433 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:08:45,476 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-29 02:08:45,477 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_8480ce0f-133b-4589-9f77-6d9c79dbf680/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2023-11-29 02:08:45,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:08:45,668 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:08:45,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45 WrapperNode [2023-11-29 02:08:45,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:08:45,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:08:45,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:08:45,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:08:45,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,717 INFO L138 Inliner]: procedures = 558, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2023-11-29 02:08:45,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:08:45,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:08:45,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:08:45,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:08:45,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,746 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]. [2023-11-29 02:08:45,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:08:45,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:08:45,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:08:45,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:08:45,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (1/1) ... [2023-11-29 02:08:45,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:08:45,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:45,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:45,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:08:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:08:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:08:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:08:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2023-11-29 02:08:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2023-11-29 02:08:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:08:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:08:45,949 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:08:45,952 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:08:46,023 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:08:46,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:08:46,050 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:08:46,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:46 BoogieIcfgContainer [2023-11-29 02:08:46,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:08:46,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:08:46,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:08:46,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:08:46,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:08:44" (1/3) ... [2023-11-29 02:08:46,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e06b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:08:46, skipping insertion in model container [2023-11-29 02:08:46,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:45" (2/3) ... [2023-11-29 02:08:46,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e06b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:08:46, skipping insertion in model container [2023-11-29 02:08:46,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:46" (3/3) ... [2023-11-29 02:08:46,061 INFO L112 eAbstractionObserver]: Analyzing ICFG softplus_5_safe.c-amalgamation.i [2023-11-29 02:08:46,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:08:46,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:08:46,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:08:46,141 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;@497f977, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:08:46,141 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:08:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2023-11-29 02:08:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:08:46,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:46,155 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:08:46,156 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:46,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:46,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1179918097, now seen corresponding path program 1 times [2023-11-29 02:08:46,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:08:46,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287291498] [2023-11-29 02:08:46,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:46,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:08:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:08:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 02:08:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:08:46,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:08:46,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287291498] [2023-11-29 02:08:46,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287291498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:08:46,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:08:46,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:08:46,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847810372] [2023-11-29 02:08:46,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:08:46,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:08:46,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:08:46,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:08:46,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:08:46,390 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-29 02:08:46,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:46,415 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-29 02:08:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:08:46,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12 [2023-11-29 02:08:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:46,424 INFO L225 Difference]: With dead ends: 24 [2023-11-29 02:08:46,425 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:08:46,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:08:46,431 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:08:46,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:08:46,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:08:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:08:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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) [2023-11-29 02:08:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 02:08:46,464 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 12 [2023-11-29 02:08:46,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:46,464 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 02:08:46,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-29 02:08:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 02:08:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:08:46,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:46,467 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:08:46,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:08:46,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:46,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:46,468 INFO L85 PathProgramCache]: Analyzing trace with hash -478853519, now seen corresponding path program 1 times [2023-11-29 02:08:46,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:08:46,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128919300] [2023-11-29 02:08:46,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:46,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:08:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:46,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:08:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:46,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:08:46,527 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:08:46,529 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:08:46,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:08:46,534 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:08:46,538 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:08:46,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret91 could not be translated [2023-11-29 02:08:46,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated [2023-11-29 02:08:46,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:08:46 BoogieIcfgContainer [2023-11-29 02:08:46,560 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:08:46,561 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:08:46,561 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:08:46,562 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:08:46,562 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:46" (3/4) ... [2023-11-29 02:08:46,564 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:08:46,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:08:46,567 INFO L158 Benchmark]: Toolchain (without parser) took 1902.78ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 126.7MB in the beginning and 169.2MB in the end (delta: -42.5MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-11-29 02:08:46,567 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 172.0MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:08:46,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1004.89ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 126.7MB in the beginning and 211.1MB in the end (delta: -84.3MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-29 02:08:46,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.53ms. Allocated memory is still 249.6MB. Free memory was 211.1MB in the beginning and 209.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:08:46,569 INFO L158 Benchmark]: Boogie Preprocessor took 37.33ms. Allocated memory is still 249.6MB. Free memory was 209.0MB in the beginning and 207.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:08:46,570 INFO L158 Benchmark]: RCFGBuilder took 294.67ms. Allocated memory is still 249.6MB. Free memory was 207.0MB in the beginning and 196.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:08:46,571 INFO L158 Benchmark]: TraceAbstraction took 506.59ms. Allocated memory is still 249.6MB. Free memory was 195.4MB in the beginning and 170.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 02:08:46,572 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 249.6MB. Free memory was 170.3MB in the beginning and 169.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:08:46,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 172.0MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1004.89ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 126.7MB in the beginning and 211.1MB in the end (delta: -84.3MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.53ms. Allocated memory is still 249.6MB. Free memory was 211.1MB in the beginning and 209.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.33ms. Allocated memory is still 249.6MB. Free memory was 209.0MB in the beginning and 207.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.67ms. Allocated memory is still 249.6MB. Free memory was 207.0MB in the beginning and 196.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 506.59ms. Allocated memory is still 249.6MB. Free memory was 195.4MB in the beginning and 170.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 249.6MB. Free memory was 170.3MB in the beginning and 169.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 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)=120] [L847] return log1pf(expf(x)); [L854] RET, EXPR softplus(x1) VAL [x1=120] [L854] float y1 = softplus(x1); [L855] CALL, EXPR softplus(x2) VAL [\old(x)=118] [L847] return log1pf(expf(x)); [L855] RET, EXPR softplus(x2) VAL [x1=120, x2=118, y1=117] [L855] float y2 = softplus(x2); [L856] float derivative = (y2 - y1) / 1e-5f; VAL [x1=120, x2=118, y1=117, y2=119] [L857] COND TRUE !(__builtin_isgreaterequal(derivative, 0.0f)) VAL [x1=120, x2=118, y1=117, y2=119] [L857] reach_error() VAL [x1=120, x2=118, y1=117, y2=119] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 [2023-11-29 02:08:46,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 02:08:48,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:08:48,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:08:48,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:08:48,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:08:48,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:08:48,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:08:48,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:08:48,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:08:48,742 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:08:48,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:08:48,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:08:48,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:08:48,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:08:48,745 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:08:48,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:08:48,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:08:48,747 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:08:48,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:08:48,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:08:48,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:08:48,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:08:48,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:08:48,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:08:48,751 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:08:48,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:08:48,752 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:08:48,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:08:48,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:08:48,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:08:48,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:08:48,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:08:48,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:08:48,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:08:48,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:08:48,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:08:48,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:08:48,756 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:08:48,756 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:08:48,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:08:48,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:08:48,757 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:08:48,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:08:48,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:08:48,757 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:08:48,758 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_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a966a605a376a7423f0837302dd49b8eac83714d1a5a5b057358f5c771a14c45 [2023-11-29 02:08:49,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:08:49,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:08:49,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:08:49,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:08:49,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:08:49,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2023-11-29 02:08:52,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:08:52,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:08:52,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i [2023-11-29 02:08:52,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data/c22a7ac47/ad58bc25be734495880f53326f81d539/FLAGd52fe264f [2023-11-29 02:08:52,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/data/c22a7ac47/ad58bc25be734495880f53326f81d539 [2023-11-29 02:08:52,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:08:52,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:08:52,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:08:52,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:08:52,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:08:52,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:08:52" (1/1) ... [2023-11-29 02:08:52,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cde0b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:52, skipping insertion in model container [2023-11-29 02:08:52,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:08:52" (1/1) ... [2023-11-29 02:08:52,412 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:08:53,027 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-29 02:08:53,028 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_8480ce0f-133b-4589-9f77-6d9c79dbf680/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2023-11-29 02:08:53,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:08:53,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:08:53,090 WARN L1590 CHandler]: Possible shadowing of function y1 [2023-11-29 02:08:53,091 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_8480ce0f-133b-4589-9f77-6d9c79dbf680/sv-benchmarks/c/neural-networks/softplus_5_safe.c-amalgamation.i[63168,63181] [2023-11-29 02:08:53,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:08:53,273 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:08:53,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53 WrapperNode [2023-11-29 02:08:53,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:08:53,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:08:53,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:08:53,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:08:53,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,333 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-11-29 02:08:53,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:08:53,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:08:53,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:08:53,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:08:53,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,361 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]. [2023-11-29 02:08:53,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:08:53,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:08:53,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:08:53,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:08:53,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (1/1) ... [2023-11-29 02:08:53,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:08:53,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:08:53,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:08:53,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:08:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:08:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 02:08:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:08:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:08:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:08:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2023-11-29 02:08:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2023-11-29 02:08:53,555 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:08:53,557 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:08:53,963 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:08:53,994 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:08:53,995 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:08:53,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:53 BoogieIcfgContainer [2023-11-29 02:08:53,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:08:53,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:08:53,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:08:54,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:08:54,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:08:52" (1/3) ... [2023-11-29 02:08:54,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cca968a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:08:54, skipping insertion in model container [2023-11-29 02:08:54,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:08:53" (2/3) ... [2023-11-29 02:08:54,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cca968a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:08:54, skipping insertion in model container [2023-11-29 02:08:54,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:53" (3/3) ... [2023-11-29 02:08:54,007 INFO L112 eAbstractionObserver]: Analyzing ICFG softplus_5_safe.c-amalgamation.i [2023-11-29 02:08:54,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:08:54,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:08:54,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:08:54,092 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;@98a1b13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:08:54,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:08:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2023-11-29 02:08:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:08:54,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:54,108 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:08:54,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:54,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1179918097, now seen corresponding path program 1 times [2023-11-29 02:08:54,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:08:54,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585238338] [2023-11-29 02:08:54,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:54,132 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 [2023-11-29 02:08:54,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:08:54,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:08:54,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:08:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:08:54,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:08:54,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:08:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:08:54,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:08:54,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:08:54,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585238338] [2023-11-29 02:08:54,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585238338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:08:54,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:08:54,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:08:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428139717] [2023-11-29 02:08:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:08:54,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:08:54,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:08:54,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:08:54,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:08:54,544 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-29 02:08:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:08:54,646 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2023-11-29 02:08:54,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:08:54,649 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 12 [2023-11-29 02:08:54,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:08:54,657 INFO L225 Difference]: With dead ends: 24 [2023-11-29 02:08:54,657 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:08:54,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:08:54,663 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:08:54,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:08:54,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:08:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:08:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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) [2023-11-29 02:08:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 02:08:54,694 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 12 [2023-11-29 02:08:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:08:54,694 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 02:08:54,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-29 02:08:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 02:08:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:08:54,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:08:54,696 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:08:54,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:08:54,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:08:54,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:08:54,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:08:54,898 INFO L85 PathProgramCache]: Analyzing trace with hash -478853519, now seen corresponding path program 1 times [2023-11-29 02:08:54,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:08:54,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900474903] [2023-11-29 02:08:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:08:54,900 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 [2023-11-29 02:08:54,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:08:54,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:08:54,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:08:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:55,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:08:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:08:55,520 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 02:08:55,521 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:08:55,522 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:08:55,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:08:55,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:08:55,728 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 02:08:55,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:08:55,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret91 could not be translated [2023-11-29 02:08:55,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated [2023-11-29 02:08:55,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:08:55 BoogieIcfgContainer [2023-11-29 02:08:55,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:08:55,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:08:55,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:08:55,759 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:08:55,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:08:53" (3/4) ... [2023-11-29 02:08:55,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:08:55,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:08:55,763 INFO L158 Benchmark]: Toolchain (without parser) took 3426.71ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 51.8MB in the end (delta: 8.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-29 02:08:55,763 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:08:55,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.92ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 41.6MB in the end (delta: 18.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-29 02:08:55,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.42ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:08:55,765 INFO L158 Benchmark]: Boogie Preprocessor took 45.35ms. Allocated memory is still 88.1MB. Free memory was 39.0MB in the beginning and 36.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:08:55,766 INFO L158 Benchmark]: RCFGBuilder took 615.52ms. Allocated memory is still 88.1MB. Free memory was 36.6MB in the beginning and 54.1MB in the end (delta: -17.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-29 02:08:55,766 INFO L158 Benchmark]: TraceAbstraction took 1758.82ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 52.3MB in the end (delta: 949.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:08:55,767 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 51.8MB in the end (delta: 505.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:08:55,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.92ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 41.6MB in the end (delta: 18.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.42ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.35ms. Allocated memory is still 88.1MB. Free memory was 39.0MB in the beginning and 36.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.52ms. Allocated memory is still 88.1MB. Free memory was 36.6MB in the beginning and 54.1MB in the end (delta: -17.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1758.82ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 52.3MB in the end (delta: 949.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 51.8MB in the end (delta: 505.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret92 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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, y1=594447261623262300000000000000, y2=506356426146471240000000000000] [L857] COND TRUE !(__builtin_isgreaterequal(derivative, 0.0f)) VAL [derivative=-8809083522291662000000000000000000, x1=0.0, x2=0.000009999999747378752, y1=594447261623262300000000000000, y2=506356426146471240000000000000] [L857] reach_error() VAL [derivative=-8809083522291662000000000000000000, x1=0.0, x2=0.000009999999747378752, y1=594447261623262300000000000000, y2=506356426146471240000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 [2023-11-29 02:08:55,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480ce0f-133b-4589-9f77-6d9c79dbf680/bin/uautomizer-verify-BQ2R08f2Ya/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