./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/logistic_7_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_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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_db76c452-156b-4281-aeeb-d574d6df820b/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 ccad69bf2a43109412117cf9af202331a7b762d9bdb0d50b9b04c5553820591c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:43:50,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:43:50,444 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:43:50,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:43:50,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:43:50,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:43:50,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:43:50,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:43:50,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:43:50,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:43:50,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:43:50,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:43:50,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:43:50,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:43:50,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:43:50,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:43:50,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:43:50,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:43:50,479 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:43:50,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:43:50,479 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:43:50,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:50,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:43:50,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:50,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:50,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:43:50,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:50,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:43:50,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:50,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:50,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:43:50,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:43:50,481 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:43:50,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:43:50,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:43:50,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:43:50,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:43:50,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:43:50,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:43:50,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:43:50,482 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_db76c452-156b-4281-aeeb-d574d6df820b/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 -> ccad69bf2a43109412117cf9af202331a7b762d9bdb0d50b9b04c5553820591c [2024-11-28 02:43:50,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:43:50,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:43:50,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:43:50,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:43:50,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:43:50,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i [2024-11-28 02:43:53,753 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/d2139cda3/2249a7f715554201bdd04220eab5f6c0/FLAG75880d4c6 [2024-11-28 02:43:54,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:43:54,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i [2024-11-28 02:43:54,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/d2139cda3/2249a7f715554201bdd04220eab5f6c0/FLAG75880d4c6 [2024-11-28 02:43:54,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/d2139cda3/2249a7f715554201bdd04220eab5f6c0 [2024-11-28 02:43:54,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:43:54,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:43:54,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:54,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:43:54,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:43:54,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:54" (1/1) ... [2024-11-28 02:43:54,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4d4368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:54, skipping insertion in model container [2024-11-28 02:43:54,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:54" (1/1) ... [2024-11-28 02:43:54,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:43:55,023 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_db76c452-156b-4281-aeeb-d574d6df820b/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-28 02:43:55,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:55,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:43:55,082 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_db76c452-156b-4281-aeeb-d574d6df820b/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-28 02:43:55,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:43:55,275 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:43:55,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55 WrapperNode [2024-11-28 02:43:55,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:43:55,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:55,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:43:55,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:43:55,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,346 INFO L138 Inliner]: procedures = 558, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-28 02:43:55,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:43:55,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:43:55,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:43:55,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:43:55,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,379 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 02:43:55,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:43:55,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:43:55,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:43:55,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:43:55,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (1/1) ... [2024-11-28 02:43:55,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:55,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:55,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:43:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:43:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:43:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:43:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:43:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure logistic [2024-11-28 02:43:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure logistic [2024-11-28 02:43:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:43:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:43:55,556 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:43:55,558 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:43:55,671 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-28 02:43:55,671 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:43:55,680 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:43:55,680 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:43:55,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:55 BoogieIcfgContainer [2024-11-28 02:43:55,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:43:55,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:43:55,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:43:55,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:43:55,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:43:54" (1/3) ... [2024-11-28 02:43:55,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5a6758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:55, skipping insertion in model container [2024-11-28 02:43:55,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:55" (2/3) ... [2024-11-28 02:43:55,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5a6758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:55, skipping insertion in model container [2024-11-28 02:43:55,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:55" (3/3) ... [2024-11-28 02:43:55,694 INFO L128 eAbstractionObserver]: Analyzing ICFG logistic_7_unsafe.c-amalgamation.i [2024-11-28 02:43:55,712 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:43:55,714 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG logistic_7_unsafe.c-amalgamation.i that has 2 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 02:43:55,762 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:43:55,777 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;@347eaf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:43:55,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:43:55,783 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 02:43:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:43:55,791 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:55,792 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:55,792 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:55,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:55,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-28 02:43:55,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:55,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605684174] [2024-11-28 02:43:55,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:55,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:55,969 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 02:43:55,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:55,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605684174] [2024-11-28 02:43:55,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605684174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:55,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:43:55,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:43:55,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715433155] [2024-11-28 02:43:55,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:55,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:43:55,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:55,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:43:55,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:43:56,001 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 02:43:56,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:56,016 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-28 02:43:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:43:56,018 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 02:43:56,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:56,023 INFO L225 Difference]: With dead ends: 31 [2024-11-28 02:43:56,024 INFO L226 Difference]: Without dead ends: 13 [2024-11-28 02:43:56,027 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 02:43:56,030 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 02:43:56,031 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 02:43:56,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-28 02:43:56,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-28 02:43:56,060 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 02:43:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-28 02:43:56,068 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-28 02:43:56,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:56,069 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-28 02:43:56,069 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 02:43:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-28 02:43:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:43:56,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:56,072 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:56,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:43:56,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:43:56,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:56,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-28 02:43:56,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:56,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996327633] [2024-11-28 02:43:56,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:56,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:56,097 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:43:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:43:56,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:43:56,124 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:43:56,126 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:43:56,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:43:56,132 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 02:43:56,150 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:43:56,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:43:56 BoogieIcfgContainer [2024-11-28 02:43:56,154 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:43:56,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:43:56,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:43:56,155 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:43:56,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:55" (3/4) ... [2024-11-28 02:43:56,158 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:43:56,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:43:56,160 INFO L158 Benchmark]: Toolchain (without parser) took 1828.47ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 49.0MB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:56,161 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:56,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.81ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 83.5MB in the end (delta: 7.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-28 02:43:56,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.23ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 80.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:56,162 INFO L158 Benchmark]: Boogie Preprocessor took 39.29ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:56,162 INFO L158 Benchmark]: RCFGBuilder took 291.54ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 69.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:56,162 INFO L158 Benchmark]: TraceAbstraction took 471.29ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 49.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:56,162 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 117.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:56,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.81ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 83.5MB in the end (delta: 7.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.23ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 80.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.29ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.54ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 69.5MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 471.29ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 49.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 117.4MB. Free memory is still 49.0MB. 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: 855]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 852, overapproximation of someBinaryFLOATComparisonOperation at line 855, overapproximation of someBinaryArithmeticFLOAToperation at line 854, overapproximation of someBinaryArithmeticFLOAToperation at line 847, overapproximation of someUnaryFLOAToperation at line 854. Possible FailurePath: [L851] float x = __VERIFIER_nondet_float(); [L852] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f))) [L853] CALL, EXPR logistic(x) VAL [\old(x)=119] [L847] return 0.5f * tanhf(0.5f * x) + 0.5f; [L853] RET, EXPR logistic(x) VAL [x=119] [L853] float y = logistic(x); [L854] CALL, EXPR logistic(-x) [L847] return 0.5f * tanhf(0.5f * x) + 0.5f; [L854] RET, EXPR logistic(-x) VAL [x=119] [L854] float z = 1.0f - logistic(-x); [L855] COND TRUE !(y == z) VAL [x=119] [L855] reach_error() VAL [x=119] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 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, 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 02:43:56,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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_db76c452-156b-4281-aeeb-d574d6df820b/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 ccad69bf2a43109412117cf9af202331a7b762d9bdb0d50b9b04c5553820591c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:43:58,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:43:58,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:43:58,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:43:58,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:43:59,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:43:59,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:43:59,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:43:59,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:43:59,060 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:43:59,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:43:59,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:43:59,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:43:59,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:43:59,061 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:43:59,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:43:59,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:43:59,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:43:59,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:43:59,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:43:59,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:43:59,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:43:59,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:43:59,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:43:59,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:43:59,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:43:59,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:43:59,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:43:59,064 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:43:59,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:43:59,065 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:43:59,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:59,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:43:59,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:59,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:59,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:43:59,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:43:59,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:43:59,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:43:59,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:43:59,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:43:59,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:43:59,067 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:43:59,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:43:59,068 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:43:59,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:43:59,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:43:59,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:43:59,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:43:59,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:43:59,069 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_db76c452-156b-4281-aeeb-d574d6df820b/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 -> ccad69bf2a43109412117cf9af202331a7b762d9bdb0d50b9b04c5553820591c [2024-11-28 02:43:59,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:43:59,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:43:59,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:43:59,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:43:59,460 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:43:59,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i [2024-11-28 02:44:02,801 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/1b23229a5/28c42d5b7c64447585e802d0b2e62651/FLAG47d4d1786 [2024-11-28 02:44:03,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:44:03,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i [2024-11-28 02:44:03,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/1b23229a5/28c42d5b7c64447585e802d0b2e62651/FLAG47d4d1786 [2024-11-28 02:44:03,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/data/1b23229a5/28c42d5b7c64447585e802d0b2e62651 [2024-11-28 02:44:03,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:44:03,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:44:03,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:44:03,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:44:03,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:44:03,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:44:03" (1/1) ... [2024-11-28 02:44:03,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8f0d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:03, skipping insertion in model container [2024-11-28 02:44:03,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:44:03" (1/1) ... [2024-11-28 02:44:03,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:44:03,962 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_db76c452-156b-4281-aeeb-d574d6df820b/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-28 02:44:03,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:44:03,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:44:04,030 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_db76c452-156b-4281-aeeb-d574d6df820b/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-28 02:44:04,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:44:04,202 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:44:04,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04 WrapperNode [2024-11-28 02:44:04,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:44:04,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:44:04,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:44:04,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:44:04,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,266 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-28 02:44:04,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:44:04,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:44:04,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:44:04,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:44:04,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,291 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 02:44:04,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,297 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:44:04,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:44:04,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:44:04,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:44:04,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (1/1) ... [2024-11-28 02:44:04,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:44:04,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:44:04,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:44:04,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:44:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:44:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:44:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure logistic [2024-11-28 02:44:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure logistic [2024-11-28 02:44:04,491 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:44:04,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:44:04,846 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-28 02:44:04,846 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:44:04,854 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:44:04,855 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:44:04,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:44:04 BoogieIcfgContainer [2024-11-28 02:44:04,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:44:04,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:44:04,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:44:04,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:44:04,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:44:03" (1/3) ... [2024-11-28 02:44:04,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ac65b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:44:04, skipping insertion in model container [2024-11-28 02:44:04,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:44:04" (2/3) ... [2024-11-28 02:44:04,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ac65b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:44:04, skipping insertion in model container [2024-11-28 02:44:04,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:44:04" (3/3) ... [2024-11-28 02:44:04,867 INFO L128 eAbstractionObserver]: Analyzing ICFG logistic_7_unsafe.c-amalgamation.i [2024-11-28 02:44:04,882 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:44:04,883 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG logistic_7_unsafe.c-amalgamation.i that has 2 procedures, 17 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 02:44:04,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:44:04,944 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;@32045a85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:44:04,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:44:04,948 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 02:44:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:44:04,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:44:04,954 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:44:04,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:44:04,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:44:04,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-28 02:44:04,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:44:04,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529439199] [2024-11-28 02:44:04,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:44:04,966 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 02:44:04,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:44:04,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 02:44:04,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 02:44:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:44:05,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:44:05,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:44:05,168 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 02:44:05,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:44:05,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:44:05,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529439199] [2024-11-28 02:44:05,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [529439199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:44:05,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:44:05,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:44:05,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636536407] [2024-11-28 02:44:05,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:44:05,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:44:05,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:44:05,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:44:05,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:44:05,195 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 02:44:05,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:44:05,210 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-28 02:44:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:44:05,212 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 02:44:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:44:05,217 INFO L225 Difference]: With dead ends: 31 [2024-11-28 02:44:05,217 INFO L226 Difference]: Without dead ends: 13 [2024-11-28 02:44:05,220 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 02:44:05,223 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 02:44:05,223 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 02:44:05,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-28 02:44:05,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-28 02:44:05,250 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 02:44:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-28 02:44:05,258 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-28 02:44:05,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:44:05,258 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-28 02:44:05,259 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 02:44:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-28 02:44:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:44:05,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:44:05,262 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:44:05,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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)] Ended with exit code 0 [2024-11-28 02:44:05,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 02:44:05,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:44:05,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:44:05,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-28 02:44:05,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:44:05,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288494087] [2024-11-28 02:44:05,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:44:05,464 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 02:44:05,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:44:05,470 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 02:44:05,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 02:44:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:44:05,648 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:44:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:44:05,817 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 02:44:05,817 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:44:05,818 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:44:05,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 02:44:06,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 02:44:06,027 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 02:44:06,046 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:44:06,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:44:06 BoogieIcfgContainer [2024-11-28 02:44:06,049 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:44:06,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:44:06,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:44:06,050 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:44:06,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:44:04" (3/4) ... [2024-11-28 02:44:06,053 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:44:06,054 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:44:06,055 INFO L158 Benchmark]: Toolchain (without parser) took 2778.09ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 40.0MB in the end (delta: 49.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-28 02:44:06,055 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:44:06,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 924.16ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 76.4MB in the end (delta: 13.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-28 02:44:06,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.37ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:44:06,056 INFO L158 Benchmark]: Boogie Preprocessor took 45.28ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:44:06,056 INFO L158 Benchmark]: RCFGBuilder took 542.33ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 62.5MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:44:06,056 INFO L158 Benchmark]: TraceAbstraction took 1192.20ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 40.5MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:44:06,057 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 117.4MB. Free memory was 40.5MB in the beginning and 40.0MB in the end (delta: 484.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:44:06,058 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 924.16ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 76.4MB in the end (delta: 13.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.37ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 73.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.28ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.33ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 62.5MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1192.20ms. Allocated memory is still 117.4MB. Free memory was 61.6MB in the beginning and 40.5MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 117.4MB. Free memory was 40.5MB in the beginning and 40.0MB in the end (delta: 484.0kB). 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: 855]: 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 tanhf at line 847. Possible FailurePath: [L851] float x = __VERIFIER_nondet_float(); [L852] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f))) VAL [x=0.0] [L853] CALL, EXPR logistic(x) VAL [\old(x)=0.0] [L847] return 0.5f * tanhf(0.5f * x) + 0.5f; [L853] RET, EXPR logistic(x) VAL [x=0.0] [L853] float y = logistic(x); [L854] CALL, EXPR logistic(-x) VAL [\old(x)=0.0] [L847] return 0.5f * tanhf(0.5f * x) + 0.5f; [L854] RET, EXPR logistic(-x) VAL [x=0.0, y=0.44921875] [L854] float z = 1.0f - logistic(-x); [L855] COND TRUE !(y == z) VAL [x=0.0] [L855] reach_error() VAL [x=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 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 02:44:06,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db76c452-156b-4281-aeeb-d574d6df820b/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample