./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd --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-826ab2b [2024-11-13 14:39:22,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:39:22,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:39:22,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:39:22,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:39:22,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:39:22,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:39:22,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:39:22,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:39:22,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:39:22,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:39:22,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:39:22,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:39:22,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:39:22,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:39:22,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:39:22,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:39:22,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:39:22,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:39:22,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:39:22,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:39:22,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:39:22,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:39:22,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:39:22,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:39:22,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:39:22,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:39:22,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:39:22,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:39:22,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:39:22,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:39:22,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:39:22,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:39:22,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:39:22,561 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_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 14:39:22,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:39:22,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:39:22,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:39:22,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:39:22,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:39:22,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 14:39:25,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:39:25,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:39:25,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i [2024-11-13 14:39:25,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data/b9be840b2/16b6a8bfba1a44829cf90f86de9286f4/FLAGd440f0e46 [2024-11-13 14:39:25,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data/b9be840b2/16b6a8bfba1a44829cf90f86de9286f4 [2024-11-13 14:39:25,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:39:25,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:39:25,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:39:25,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:39:25,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:39:25,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:39:25" (1/1) ... [2024-11-13 14:39:25,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5530b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:25, skipping insertion in model container [2024-11-13 14:39:25,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:39:25" (1/1) ... [2024-11-13 14:39:25,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:39:27,025 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_48161bf7-4dcb-4289-8500-a374251ede6a/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-13 14:39:27,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:39:27,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:39:27,098 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_48161bf7-4dcb-4289-8500-a374251ede6a/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-13 14:39:27,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:39:27,296 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:39:27,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27 WrapperNode [2024-11-13 14:39:27,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:39:27,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:39:27,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:39:27,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:39:27,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,382 INFO L138 Inliner]: procedures = 558, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-13 14:39:27,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:39:27,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:39:27,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:39:27,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:39:27,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,423 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-13 14:39:27,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:39:27,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:39:27,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:39:27,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:39:27,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (1/1) ... [2024-11-13 14:39:27,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:39:27,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:39:27,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:39:27,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:39:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:39:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:39:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:39:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure logistic [2024-11-13 14:39:27,544 INFO L138 BoogieDeclarations]: Found implementation of procedure logistic [2024-11-13 14:39:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:39:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:39:27,697 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:39:27,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:39:27,857 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 14:39:27,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:39:27,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:39:27,873 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:39:27,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:27 BoogieIcfgContainer [2024-11-13 14:39:27,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:39:27,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:39:27,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:39:27,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:39:27,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:39:25" (1/3) ... [2024-11-13 14:39:27,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0a631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:27, skipping insertion in model container [2024-11-13 14:39:27,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:27" (2/3) ... [2024-11-13 14:39:27,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0a631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:27, skipping insertion in model container [2024-11-13 14:39:27,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:27" (3/3) ... [2024-11-13 14:39:27,890 INFO L112 eAbstractionObserver]: Analyzing ICFG logistic_7_unsafe.c-amalgamation.i [2024-11-13 14:39:27,911 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:39:27,913 INFO L154 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. [2024-11-13 14:39:27,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:39:28,013 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;@20eb803f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:39:28,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:39:28,020 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) [2024-11-13 14:39:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 14:39:28,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:39:28,032 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:39:28,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:39:28,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:39:28,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-13 14:39:28,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:39:28,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456859585] [2024-11-13 14:39:28,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:39:28,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:39:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:28,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:39:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:28,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:39:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 14:39:28,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:39:28,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456859585] [2024-11-13 14:39:28,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456859585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:39:28,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:39:28,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:39:28,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142137729] [2024-11-13 14:39:28,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:39:28,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:39:28,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:39:28,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:39:28,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:39:28,318 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) [2024-11-13 14:39:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:39:28,335 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-13 14:39:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:39:28,337 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 [2024-11-13 14:39:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:39:28,344 INFO L225 Difference]: With dead ends: 31 [2024-11-13 14:39:28,345 INFO L226 Difference]: Without dead ends: 13 [2024-11-13 14:39:28,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:39:28,351 INFO L432 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 [2024-11-13 14:39:28,352 INFO L433 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] [2024-11-13 14:39:28,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-13 14:39:28,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-13 14:39:28,381 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) [2024-11-13 14:39:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-13 14:39:28,386 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-13 14:39:28,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:39:28,387 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-13 14:39:28,387 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) [2024-11-13 14:39:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-13 14:39:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 14:39:28,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:39:28,389 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:39:28,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:39:28,389 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:39:28,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:39:28,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-13 14:39:28,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:39:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108582132] [2024-11-13 14:39:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:39:28,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:39:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:39:28,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:39:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:39:28,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:39:28,464 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:39:28,467 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:39:28,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:39:28,475 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:39:28,497 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:39:28,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:39:28 BoogieIcfgContainer [2024-11-13 14:39:28,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:39:28,509 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:39:28,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:39:28,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:39:28,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:27" (3/4) ... [2024-11-13 14:39:28,515 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:39:28,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:39:28,518 INFO L158 Benchmark]: Toolchain (without parser) took 2575.89ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 52.3MB in the end (delta: 37.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-13 14:39:28,518 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:28,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1354.24ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 87.3MB in the end (delta: 2.4MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-11-13 14:39:28,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.96ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 85.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:28,522 INFO L158 Benchmark]: Boogie Preprocessor took 59.47ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:28,522 INFO L158 Benchmark]: RCFGBuilder took 428.33ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 73.7MB in the end (delta: 9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:28,523 INFO L158 Benchmark]: TraceAbstraction took 629.56ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 52.9MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:39:28,523 INFO L158 Benchmark]: Witness Printer took 7.21ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 52.3MB in the end (delta: 573.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:28,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1354.24ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 87.3MB in the end (delta: 2.4MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.96ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 85.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.47ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 428.33ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 73.7MB in the end (delta: 9.5MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 629.56ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 52.9MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.21ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 52.3MB in the end (delta: 573.2kB). 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 855, overapproximation of someBinaryFLOATComparisonOperation at line 852, 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: 0.5s, 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, 6 GetRequests, 6 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, 0.1s 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:39:28,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd --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-826ab2b [2024-11-13 14:39:31,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:39:32,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:39:32,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:39:32,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:39:32,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:39:32,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:39:32,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:39:32,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:39:32,155 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:39:32,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:39:32,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:39:32,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:39:32,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:39:32,156 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:39:32,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:39:32,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:39:32,157 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:39:32,158 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:39:32,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:39:32,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:39:32,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:39:32,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:39:32,160 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:39:32,160 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:39:32,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:39:32,160 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:39:32,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:39:32,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:39:32,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:39:32,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:39:32,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:39:32,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:39:32,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:39:32,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:39:32,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:39:32,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:39:32,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:39:32,163 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:39:32,163 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:39:32,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:39:32,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:39:32,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:39:32,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:39:32,163 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_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 14:39:32,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:39:32,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:39:32,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:39:32,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:39:32,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:39:32,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 14:39:34,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:39:35,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:39:35,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i [2024-11-13 14:39:35,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data/bf943b268/48c69d1498954c38a170a3313f82928b/FLAG53bf034aa [2024-11-13 14:39:35,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/data/bf943b268/48c69d1498954c38a170a3313f82928b [2024-11-13 14:39:35,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:39:35,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:39:35,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:39:35,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:39:35,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:39:35,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:39:35" (1/1) ... [2024-11-13 14:39:35,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff77892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:35, skipping insertion in model container [2024-11-13 14:39:35,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:39:35" (1/1) ... [2024-11-13 14:39:35,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:39:36,464 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_48161bf7-4dcb-4289-8500-a374251ede6a/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-13 14:39:36,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:39:36,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:39:36,555 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_48161bf7-4dcb-4289-8500-a374251ede6a/sv-benchmarks/c/neural-networks/logistic_7_unsafe.c-amalgamation.i[63087,63100] [2024-11-13 14:39:36,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:39:36,798 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:39:36,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36 WrapperNode [2024-11-13 14:39:36,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:39:36,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:39:36,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:39:36,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:39:36,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,862 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-13 14:39:36,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:39:36,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:39:36,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:39:36,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:39:36,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,894 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]. [2024-11-13 14:39:36,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:39:36,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:39:36,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:39:36,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:39:36,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (1/1) ... [2024-11-13 14:39:36,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:39:36,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:39:36,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:39:36,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:39:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:39:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 14:39:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:39:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:39:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:39:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure logistic [2024-11-13 14:39:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure logistic [2024-11-13 14:39:37,134 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:39:37,137 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:39:37,437 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 14:39:37,437 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:39:37,447 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:39:37,448 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:39:37,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:37 BoogieIcfgContainer [2024-11-13 14:39:37,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:39:37,452 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:39:37,452 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:39:37,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:39:37,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:39:35" (1/3) ... [2024-11-13 14:39:37,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d5b457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:37, skipping insertion in model container [2024-11-13 14:39:37,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:36" (2/3) ... [2024-11-13 14:39:37,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d5b457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:37, skipping insertion in model container [2024-11-13 14:39:37,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:37" (3/3) ... [2024-11-13 14:39:37,462 INFO L112 eAbstractionObserver]: Analyzing ICFG logistic_7_unsafe.c-amalgamation.i [2024-11-13 14:39:37,482 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:39:37,484 INFO L154 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. [2024-11-13 14:39:37,538 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:39:37,554 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;@57175c79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:39:37,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:39:37,559 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) [2024-11-13 14:39:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 14:39:37,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:39:37,568 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:39:37,569 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:39:37,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:39:37,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2056638151, now seen corresponding path program 1 times [2024-11-13 14:39:37,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:39:37,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869321473] [2024-11-13 14:39:37,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:39:37,590 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 [2024-11-13 14:39:37,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:39:37,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:39:37,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:39:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:39:37,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:39:37,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:39:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 14:39:37,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:39:37,877 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:39:37,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869321473] [2024-11-13 14:39:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869321473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:39:37,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:39:37,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:39:37,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858650619] [2024-11-13 14:39:37,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:39:37,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:39:37,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:39:37,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:39:37,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:39:37,915 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) [2024-11-13 14:39:37,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:39:37,931 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2024-11-13 14:39:37,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:39:37,933 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 [2024-11-13 14:39:37,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:39:37,940 INFO L225 Difference]: With dead ends: 31 [2024-11-13 14:39:37,941 INFO L226 Difference]: Without dead ends: 13 [2024-11-13 14:39:37,944 INFO L431 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 [2024-11-13 14:39:37,948 INFO L432 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 [2024-11-13 14:39:37,949 INFO L433 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] [2024-11-13 14:39:37,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-13 14:39:37,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-13 14:39:37,984 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) [2024-11-13 14:39:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-13 14:39:37,992 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 15 [2024-11-13 14:39:37,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:39:37,993 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-13 14:39:37,993 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) [2024-11-13 14:39:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-13 14:39:37,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 14:39:37,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:39:37,998 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:39:38,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:39:38,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:39:38,199 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:39:38,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:39:38,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1469832137, now seen corresponding path program 1 times [2024-11-13 14:39:38,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:39:38,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988397041] [2024-11-13 14:39:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:39:38,201 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 [2024-11-13 14:39:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:39:38,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:39:38,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:39:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:39:38,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:39:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:39:38,668 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:39:38,669 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:39:38,671 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:39:38,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 14:39:38,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:39:38,881 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:39:38,904 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:39:38,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:39:38 BoogieIcfgContainer [2024-11-13 14:39:38,908 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:39:38,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:39:38,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:39:38,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:39:38,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:37" (3/4) ... [2024-11-13 14:39:38,913 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:39:38,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:39:38,916 INFO L158 Benchmark]: Toolchain (without parser) took 3416.61ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 49.7MB in the end (delta: 41.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-13 14:39:38,916 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:38,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1298.48ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 84.9MB in the end (delta: 6.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-13 14:39:38,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.88ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:38,917 INFO L158 Benchmark]: Boogie Preprocessor took 50.84ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:39:38,918 INFO L158 Benchmark]: RCFGBuilder took 534.03ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 70.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:39:38,918 INFO L158 Benchmark]: TraceAbstraction took 1456.16ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 49.7MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:39:38,919 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:39:38,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1298.48ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 84.9MB in the end (delta: 6.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.88ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.84ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 80.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 534.03ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 70.7MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1456.16ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 49.7MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 117.4MB. Free memory is still 49.7MB. 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: 1.4s, 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, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:39:38,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48161bf7-4dcb-4289-8500-a374251ede6a/bin/uautomizer-verify-qhAvR1uOyd/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