./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softplus_4_unsafe.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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB --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 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:51:25,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:51:26,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:51:26,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:51:26,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:51:26,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:51:26,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:51:26,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:51:26,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:51:26,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:51:26,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:51:26,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:51:26,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:51:26,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:51:26,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:51:26,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:51:26,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:51:26,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:51:26,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:51:26,113 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:51:26,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:51:26,114 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:51:26,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:51:26,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:51:26,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:51:26,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:51:26,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:51:26,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:51:26,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:51:26,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:51:26,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:51:26,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:51:26,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:51:26,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:51:26,116 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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d [2024-11-28 03:51:26,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:51:26,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:51:26,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:51:26,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:51:26,436 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:51:26,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-28 03:51:29,331 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/a0a8bb409/7fd9311cef5241c0a4ebb58c65f37676/FLAG4765c12e7 [2024-11-28 03:51:29,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:51:29,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-28 03:51:29,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/a0a8bb409/7fd9311cef5241c0a4ebb58c65f37676/FLAG4765c12e7 [2024-11-28 03:51:29,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/a0a8bb409/7fd9311cef5241c0a4ebb58c65f37676 [2024-11-28 03:51:29,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:51:29,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:51:29,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:51:29,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:51:29,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:51:29,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:51:29" (1/1) ... [2024-11-28 03:51:29,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2fad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:29, skipping insertion in model container [2024-11-28 03:51:29,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:51:29" (1/1) ... [2024-11-28 03:51:29,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:51:30,464 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-28 03:51:30,468 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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-28 03:51:30,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:51:30,479 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:51:30,528 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-28 03:51:30,529 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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-28 03:51:30,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:51:30,688 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:51:30,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30 WrapperNode [2024-11-28 03:51:30,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:51:30,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:51:30,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:51:30,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:51:30,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,749 INFO L138 Inliner]: procedures = 558, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-28 03:51:30,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:51:30,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:51:30,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:51:30,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:51:30,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,775 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-28 03:51:30,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,781 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:51:30,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:51:30,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:51:30,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:51:30,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (1/1) ... [2024-11-28 03:51:30,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:51:30,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:51:30,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:51:30,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:51:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:51:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:51:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:51:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2024-11-28 03:51:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2024-11-28 03:51:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:51:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:51:30,949 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:51:30,950 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:51:31,018 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-28 03:51:31,018 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:51:31,026 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:51:31,026 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:51:31,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:51:31 BoogieIcfgContainer [2024-11-28 03:51:31,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:51:31,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:51:31,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:51:31,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:51:31,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:51:29" (1/3) ... [2024-11-28 03:51:31,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3267e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:51:31, skipping insertion in model container [2024-11-28 03:51:31,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:30" (2/3) ... [2024-11-28 03:51:31,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3267e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:51:31, skipping insertion in model container [2024-11-28 03:51:31,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:51:31" (3/3) ... [2024-11-28 03:51:31,041 INFO L128 eAbstractionObserver]: Analyzing ICFG softplus_4_unsafe.c-amalgamation.i [2024-11-28 03:51:31,057 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:51:31,060 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG softplus_4_unsafe.c-amalgamation.i that has 2 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:51:31,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:51:31,130 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;@3c6ce439, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:51:31,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:51:31,134 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) [2024-11-28 03:51:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:51:31,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:51:31,142 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:51:31,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:51:31,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:51:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-28 03:51:31,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:51:31,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459348528] [2024-11-28 03:51:31,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:31,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:51:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:51:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 03:51:31,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:51:31,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459348528] [2024-11-28 03:51:31,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459348528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:51:31,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:51:31,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:51:31,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834767626] [2024-11-28 03:51:31,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:51:31,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:51:31,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:51:31,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:51:31,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:51:31,310 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) [2024-11-28 03:51:31,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:51:31,323 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-28 03:51:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:51:31,325 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 [2024-11-28 03:51:31,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:51:31,330 INFO L225 Difference]: With dead ends: 31 [2024-11-28 03:51:31,330 INFO L226 Difference]: Without dead ends: 13 [2024-11-28 03:51:31,333 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 [2024-11-28 03:51:31,336 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 [2024-11-28 03:51:31,336 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] [2024-11-28 03:51:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-28 03:51:31,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-28 03:51:31,363 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) [2024-11-28 03:51:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-28 03:51:31,368 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-28 03:51:31,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:51:31,369 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-28 03:51:31,369 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) [2024-11-28 03:51:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-28 03:51:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:51:31,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:51:31,372 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:51:31,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:51:31,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:51:31,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:51:31,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-28 03:51:31,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:51:31,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679308117] [2024-11-28 03:51:31,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:31,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:51:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:51:31,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:51:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:51:31,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:51:31,432 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:51:31,434 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:51:31,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:51:31,442 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:51:31,461 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:51:31,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:51:31 BoogieIcfgContainer [2024-11-28 03:51:31,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:51:31,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:51:31,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:51:31,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:51:31,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:51:31" (3/4) ... [2024-11-28 03:51:31,475 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:51:31,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:51:31,477 INFO L158 Benchmark]: Toolchain (without parser) took 1623.07ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 52.3MB in the end (delta: 40.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-28 03:51:31,478 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:31,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.70ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 86.8MB in the end (delta: 5.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2024-11-28 03:51:31,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.85ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:31,480 INFO L158 Benchmark]: Boogie Preprocessor took 35.55ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:31,480 INFO L158 Benchmark]: RCFGBuilder took 240.38ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 73.9MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:51:31,481 INFO L158 Benchmark]: TraceAbstraction took 440.92ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 52.3MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:51:31,482 INFO L158 Benchmark]: Witness Printer took 6.05ms. Allocated memory is still 117.4MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:31,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.70ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 86.8MB in the end (delta: 5.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.85ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.55ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 240.38ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 73.9MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 440.92ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 52.3MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.05ms. Allocated memory is still 117.4MB. Free memory is still 52.3MB. 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 856, overapproximation of someBinaryArithmeticFLOAToperation at line 852. 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_islessequal(derivative, 1.0f)) 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 [2024-11-28 03:51:31,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB --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 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:51:33,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:51:34,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:51:34,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:51:34,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:51:34,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:51:34,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:51:34,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:51:34,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:51:34,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:51:34,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:51:34,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:51:34,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:51:34,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:51:34,149 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:51:34,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:51:34,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:51:34,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:51:34,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:51:34,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:51:34,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:51:34,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:51:34,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:51:34,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:51:34,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:51:34,165 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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 5165ba9670951229a03e9eec09d5034a914a3e2ca6cb1d83323501c73292ae2d [2024-11-28 03:51:34,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:51:34,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:51:34,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:51:34,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:51:34,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:51:34,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-28 03:51:37,345 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/425d6b39c/0cd525977e37495cb68dedbd8fc48294/FLAG541c7ee0a [2024-11-28 03:51:37,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:51:37,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i [2024-11-28 03:51:37,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/425d6b39c/0cd525977e37495cb68dedbd8fc48294/FLAG541c7ee0a [2024-11-28 03:51:37,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/data/425d6b39c/0cd525977e37495cb68dedbd8fc48294 [2024-11-28 03:51:37,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:51:37,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:51:37,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:51:37,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:51:37,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:51:37,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:51:37" (1/1) ... [2024-11-28 03:51:37,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53825184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:37, skipping insertion in model container [2024-11-28 03:51:37,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:51:37" (1/1) ... [2024-11-28 03:51:37,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:51:38,654 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-28 03:51:38,658 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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-28 03:51:38,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:51:38,678 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:51:38,740 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-28 03:51:38,740 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_43f1d0ac-8660-4815-bf3f-eda5aff405a4/sv-benchmarks/c/neural-networks/softplus_4_unsafe.c-amalgamation.i[63165,63178] [2024-11-28 03:51:38,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:51:38,910 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:51:38,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38 WrapperNode [2024-11-28 03:51:38,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:51:38,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:51:38,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:51:38,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:51:38,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,960 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-28 03:51:38,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:51:38,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:51:38,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:51:38,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:51:38,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,971 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,981 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-28 03:51:38,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,987 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:38,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:51:38,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:51:38,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:51:38,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:51:39,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (1/1) ... [2024-11-28 03:51:39,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:51:39,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:51:39,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:51:39,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:51:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:51:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:51:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:51:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:51:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:51:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure softplus [2024-11-28 03:51:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure softplus [2024-11-28 03:51:39,197 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:51:39,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:51:40,367 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-28 03:51:40,367 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:51:40,375 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:51:40,375 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:51:40,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:51:40 BoogieIcfgContainer [2024-11-28 03:51:40,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:51:40,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:51:40,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:51:40,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:51:40,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:51:37" (1/3) ... [2024-11-28 03:51:40,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b4dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:51:40, skipping insertion in model container [2024-11-28 03:51:40,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:51:38" (2/3) ... [2024-11-28 03:51:40,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b4dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:51:40, skipping insertion in model container [2024-11-28 03:51:40,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:51:40" (3/3) ... [2024-11-28 03:51:40,388 INFO L128 eAbstractionObserver]: Analyzing ICFG softplus_4_unsafe.c-amalgamation.i [2024-11-28 03:51:40,402 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:51:40,403 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG softplus_4_unsafe.c-amalgamation.i that has 2 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:51:40,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:51:40,477 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;@13f25baa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:51:40,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:51:40,482 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) [2024-11-28 03:51:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:51:40,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:51:40,491 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:51:40,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:51:40,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:51:40,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-28 03:51:40,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:51:40,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507626194] [2024-11-28 03:51:40,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:40,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:51:40,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:51:40,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:51:40,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:51:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:51:40,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:51:40,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:51:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 03:51:40,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:51:40,892 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:51:40,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507626194] [2024-11-28 03:51:40,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507626194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:51:40,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:51:40,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:51:40,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032991037] [2024-11-28 03:51:40,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:51:40,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:51:40,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:51:40,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:51:40,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:51:40,918 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) [2024-11-28 03:51:40,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:51:40,931 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-28 03:51:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:51:40,933 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 [2024-11-28 03:51:40,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:51:40,938 INFO L225 Difference]: With dead ends: 31 [2024-11-28 03:51:40,938 INFO L226 Difference]: Without dead ends: 13 [2024-11-28 03:51:40,941 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 [2024-11-28 03:51:40,944 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 [2024-11-28 03:51:40,944 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] [2024-11-28 03:51:40,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-28 03:51:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-28 03:51:40,968 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) [2024-11-28 03:51:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-28 03:51:40,973 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-28 03:51:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:51:40,973 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-28 03:51:40,974 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) [2024-11-28 03:51:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-28 03:51:40,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 03:51:40,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:51:40,975 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:51:40,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:51:41,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:51:41,176 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:51:41,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:51:41,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-28 03:51:41,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:51:41,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201881976] [2024-11-28 03:51:41,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:51:41,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:51:41,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:51:41,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:51:41,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:51:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:51:41,435 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:51:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:51:41,656 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:51:41,656 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:51:41,658 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:51:41,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 03:51:41,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:51:41,866 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:51:41,899 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:51:41,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:51:41 BoogieIcfgContainer [2024-11-28 03:51:41,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:51:41,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:51:41,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:51:41,907 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:51:41,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:51:40" (3/4) ... [2024-11-28 03:51:41,910 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:51:41,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:51:41,914 INFO L158 Benchmark]: Toolchain (without parser) took 4154.27ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 39.8MB in the end (delta: 50.0MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-28 03:51:41,914 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:41,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1151.98ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 75.9MB in the end (delta: 13.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-11-28 03:51:41,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.01ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:41,916 INFO L158 Benchmark]: Boogie Preprocessor took 37.26ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:41,916 INFO L158 Benchmark]: RCFGBuilder took 1377.52ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 62.1MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:51:41,917 INFO L158 Benchmark]: TraceAbstraction took 1527.16ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 39.8MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:51:41,919 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 117.4MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:51:41,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1151.98ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 75.9MB in the end (delta: 13.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.01ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.26ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1377.52ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 62.1MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1527.16ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 39.8MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 117.4MB. Free memory is still 39.8MB. 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=0.0] [L855] float y2 = softplus(x2); [L856] float derivative = (y2 - y1) / 1e-5f; VAL [derivative=200000.0, x1=0.0, x2=0.000009999999747378752] [L857] COND TRUE !(__builtin_islessequal(derivative, 1.0f)) 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: 1.4s, 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, 0.5s 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 [2024-11-28 03:51:41,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f1d0ac-8660-4815-bf3f-eda5aff405a4/bin/uautomizer-verify-aQ6SnzHsRB/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample