./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 80d0dbd642f174f1d467e22c7cd881540a5b30cdbb6826a74a2a8a7b559c2f1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:52:17,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:52:17,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:52:17,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:52:17,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:52:17,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:52:17,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:52:17,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:52:17,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:52:17,694 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:52:17,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:52:17,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:52:17,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:52:17,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:52:17,696 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:52:17,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:52:17,697 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:52:17,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:52:17,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:52:17,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:52:17,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:52:17,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:52:17,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:52:17,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:52:17,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:52:17,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:52:17,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:52:17,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:52:17,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:52:17,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:52:17,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:52:17,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:52:17,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:52:17,701 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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 -> 80d0dbd642f174f1d467e22c7cd881540a5b30cdbb6826a74a2a8a7b559c2f1a [2024-11-13 12:52:18,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:52:18,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:52:18,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:52:18,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:52:18,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:52:18,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i Unable to find full path for "g++" [2024-11-13 12:52:20,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:52:20,838 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:52:20,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i [2024-11-13 12:52:20,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data/09c0659ce/972c40d2156b415fa3a77d59bee4f8ca/FLAG2084e2081 [2024-11-13 12:52:21,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data/09c0659ce/972c40d2156b415fa3a77d59bee4f8ca [2024-11-13 12:52:21,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:52:21,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:52:21,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:52:21,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:52:21,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:52:21,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5b395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21, skipping insertion in model container [2024-11-13 12:52:21,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:52:21,234 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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i[915,928] [2024-11-13 12:52:21,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:52:21,348 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:52:21,361 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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i[915,928] [2024-11-13 12:52:21,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:52:21,445 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:52:21,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21 WrapperNode [2024-11-13 12:52:21,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:52:21,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:52:21,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:52:21,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:52:21,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,523 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-13 12:52:21,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:52:21,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:52:21,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:52:21,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:52:21,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,569 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 12:52:21,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:52:21,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:52:21,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:52:21,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:52:21,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (1/1) ... [2024-11-13 12:52:21,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:52:21,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:52:21,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:52:21,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:52:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:52:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:52:21,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:52:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:52:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:52:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:52:21,790 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:52:21,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:52:22,186 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 12:52:22,187 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:52:22,201 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:52:22,202 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:52:22,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:52:22 BoogieIcfgContainer [2024-11-13 12:52:22,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:52:22,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:52:22,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:52:22,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:52:22,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:52:21" (1/3) ... [2024-11-13 12:52:22,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3882c7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:52:22, skipping insertion in model container [2024-11-13 12:52:22,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:21" (2/3) ... [2024-11-13 12:52:22,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3882c7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:52:22, skipping insertion in model container [2024-11-13 12:52:22,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:52:22" (3/3) ... [2024-11-13 12:52:22,214 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-77.i [2024-11-13 12:52:22,234 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:52:22,236 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-77.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 12:52:22,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:52:22,324 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;@500cc06a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:52:22,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:52:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 12:52:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 12:52:22,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:52:22,342 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:52:22,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:52:22,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:52:22,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2038368493, now seen corresponding path program 1 times [2024-11-13 12:52:22,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:52:22,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455845430] [2024-11-13 12:52:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:52:22,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:52:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:52:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 12:52:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:52:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 12:52:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 12:52:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 12:52:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 12:52:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 12:52:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 12:52:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 12:52:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 12:52:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 12:52:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 12:52:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 12:52:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:52:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 12:52:22,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:52:22,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455845430] [2024-11-13 12:52:22,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455845430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:52:22,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:52:22,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:52:22,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975608006] [2024-11-13 12:52:22,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:52:22,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:52:22,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:52:22,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:52:22,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:52:22,873 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 12:52:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:52:22,903 INFO L93 Difference]: Finished difference Result 95 states and 152 transitions. [2024-11-13 12:52:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:52:22,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2024-11-13 12:52:22,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:52:22,913 INFO L225 Difference]: With dead ends: 95 [2024-11-13 12:52:22,913 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 12:52:22,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 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 12:52:22,921 INFO L432 NwaCegarLoop]: 67 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, 67 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 12:52:22,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:52:22,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 12:52:22,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-13 12:52:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 12:52:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-13 12:52:22,972 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2024-11-13 12:52:22,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:52:22,974 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-13 12:52:22,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 12:52:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-13 12:52:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 12:52:22,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:52:22,982 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:52:22,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:52:22,983 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:52:22,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:52:22,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1254183667, now seen corresponding path program 1 times [2024-11-13 12:52:22,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:52:22,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580462945] [2024-11-13 12:52:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:52:22,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:52:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:52:23,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:52:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:52:23,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:52:23,431 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:52:23,433 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 12:52:23,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:52:23,440 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 12:52:23,525 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:52:23,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:52:23 BoogieIcfgContainer [2024-11-13 12:52:23,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:52:23,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:52:23,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:52:23,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:52:23,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:52:22" (3/4) ... [2024-11-13 12:52:23,534 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:52:23,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:52:23,536 INFO L158 Benchmark]: Toolchain (without parser) took 2529.42ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 56.6MB in the end (delta: 37.7MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-11-13 12:52:23,537 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:52:23,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.42ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 81.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:52:23,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.92ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.0MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:52:23,539 INFO L158 Benchmark]: Boogie Preprocessor took 59.07ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 75.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:52:23,539 INFO L158 Benchmark]: RCFGBuilder took 614.04ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 58.4MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:52:23,540 INFO L158 Benchmark]: TraceAbstraction took 1324.38ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 56.6MB in the end (delta: 1.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-13 12:52:23,540 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:52:23,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.42ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 81.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.92ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.0MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.07ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 75.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 614.04ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 58.4MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1324.38ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 56.6MB in the end (delta: 1.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 21.0kB). 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: 19]: 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 73, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] unsigned short int var_1_12 = 0; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float var_1_16 = 0.8; [L35] unsigned short int var_1_17 = 64; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L92] isInitial = 1 [L93] FCALL initially() [L94] int k_loop; [L95] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L95] COND TRUE k_loop < 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L60] var_1_4 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L61] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L62] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L62] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L63] var_1_5 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L64] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L65] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L65] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L66] var_1_6 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L67] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] var_1_7 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_8=319/5, var_1_9=99/2] [L70] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_8=319/5, var_1_9=99/2] [L71] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L72] var_1_9 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L73] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L74] var_1_10 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L75] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L76] var_1_11 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L77] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L80] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L80] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-256, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-256, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L82] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=0, var_1_13=-256, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=319/5] [L97] RET updateVariables() [L98] CALL step() [L39] COND TRUE var_1_7 > var_1_5 [L40] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] [L44] var_1_16 = var_1_11 [L45] var_1_17 = var_1_5 VAL [isInitial=1, var_1_11=60877, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=60877, var_1_17=-49183, var_1_1=50, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] [L46] COND TRUE var_1_8 != var_1_16 [L47] var_1_1 = (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))) VAL [isInitial=1, var_1_11=60877, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=60877, var_1_17=-49183, var_1_1=16414, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] [L49] unsigned char stepLocal_1 = var_1_13; [L50] signed long int stepLocal_0 = (((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)); VAL [isInitial=1, stepLocal_0=16353, stepLocal_1=-256, var_1_11=60877, var_1_12=0, var_1_13=-256, var_1_14=1, var_1_16=60877, var_1_17=-49183, var_1_1=16414, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] [L51] COND FALSE !(stepLocal_1 && var_1_14) [L56] var_1_12 = 64 VAL [isInitial=1, stepLocal_0=16353, var_1_11=60877, var_1_12=64, var_1_13=-256, var_1_14=1, var_1_16=60877, var_1_17=-49183, var_1_1=16414, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] [L98] RET step() [L99] CALL, EXPR property() [L88-L89] return (((((var_1_8 != var_1_16) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - 1.6f))))) && ((var_1_13 && var_1_14) ? ((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))) < ((((32) > ((var_1_1 - var_1_7))) ? (32) : ((var_1_1 - var_1_7))))) ? (var_1_12 == ((unsigned short int) (var_1_7 + 5))) : 1) : (var_1_12 == ((unsigned short int) 64)))) && (var_1_16 == ((float) var_1_11))) && (var_1_17 == ((unsigned short int) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_11=60877, var_1_12=64, var_1_13=-256, var_1_14=1, var_1_16=60877, var_1_17=-49183, var_1_1=16414, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=60877, var_1_12=64, var_1_13=-256, var_1_14=1, var_1_16=60877, var_1_17=-49183, var_1_1=16414, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] [L19] reach_error() VAL [isInitial=1, var_1_11=60877, var_1_12=64, var_1_13=-256, var_1_14=1, var_1_16=60877, var_1_17=-49183, var_1_1=16414, var_1_4=-1071677441, var_1_5=-49183, var_1_6=32737, var_1_7=16383, var_1_8=60876, var_1_9=60876] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 15, 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, 67 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, 67 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 0.3s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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 12:52:23,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 80d0dbd642f174f1d467e22c7cd881540a5b30cdbb6826a74a2a8a7b559c2f1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:52:26,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:52:27,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 12:52:27,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:52:27,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:52:27,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:52:27,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:52:27,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:52:27,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:52:27,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:52:27,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:52:27,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:52:27,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:52:27,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:52:27,189 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:52:27,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:52:27,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:52:27,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:52:27,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:52:27,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:52:27,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:52:27,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:52:27,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:52:27,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:52:27,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:52:27,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:52:27,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:52:27,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:52:27,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:52:27,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:52:27,194 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 12:52:27,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 12:52:27,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:52:27,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:52:27,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:52:27,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:52:27,194 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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 -> 80d0dbd642f174f1d467e22c7cd881540a5b30cdbb6826a74a2a8a7b559c2f1a [2024-11-13 12:52:27,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:52:27,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:52:27,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:52:27,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:52:27,627 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:52:27,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i Unable to find full path for "g++" [2024-11-13 12:52:29,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:52:30,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:52:30,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i [2024-11-13 12:52:30,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data/315b5c12c/7326ea5193f44f0ba2c5bdd742564531/FLAG507aa85fe [2024-11-13 12:52:30,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/data/315b5c12c/7326ea5193f44f0ba2c5bdd742564531 [2024-11-13 12:52:30,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:52:30,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:52:30,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:52:30,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:52:30,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:52:30,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d68f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30, skipping insertion in model container [2024-11-13 12:52:30,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:52:30,454 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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i[915,928] [2024-11-13 12:52:30,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:52:30,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:52:30,588 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_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-77.i[915,928] [2024-11-13 12:52:30,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:52:30,651 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:52:30,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30 WrapperNode [2024-11-13 12:52:30,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:52:30,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:52:30,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:52:30,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:52:30,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,705 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-13 12:52:30,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:52:30,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:52:30,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:52:30,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:52:30,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,750 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 12:52:30,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:52:30,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:52:30,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:52:30,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:52:30,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (1/1) ... [2024-11-13 12:52:30,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:52:30,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:52:30,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:52:30,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:52:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:52:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 12:52:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:52:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:52:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:52:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:52:30,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:52:30,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:52:31,491 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 12:52:31,491 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:52:31,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:52:31,505 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:52:31,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:52:31 BoogieIcfgContainer [2024-11-13 12:52:31,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:52:31,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:52:31,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:52:31,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:52:31,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:52:30" (1/3) ... [2024-11-13 12:52:31,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2323f9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:52:31, skipping insertion in model container [2024-11-13 12:52:31,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:52:30" (2/3) ... [2024-11-13 12:52:31,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2323f9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:52:31, skipping insertion in model container [2024-11-13 12:52:31,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:52:31" (3/3) ... [2024-11-13 12:52:31,519 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-77.i [2024-11-13 12:52:31,541 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:52:31,543 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-77.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 12:52:31,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:52:31,651 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;@68c493d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:52:31,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:52:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 12:52:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 12:52:31,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:52:31,679 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:52:31,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:52:31,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:52:31,689 INFO L85 PathProgramCache]: Analyzing trace with hash 2038368493, now seen corresponding path program 1 times [2024-11-13 12:52:31,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:52:31,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586386677] [2024-11-13 12:52:31,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:52:31,708 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 12:52:31,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 12:52:31,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 12:52:31,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 12:52:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:32,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 12:52:32,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:52:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-13 12:52:32,231 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:52:32,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:52:32,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586386677] [2024-11-13 12:52:32,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586386677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:52:32,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:52:32,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:52:32,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469020640] [2024-11-13 12:52:32,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:52:32,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:52:32,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:52:32,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:52:32,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:52:32,271 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 12:52:32,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:52:32,298 INFO L93 Difference]: Finished difference Result 95 states and 152 transitions. [2024-11-13 12:52:32,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:52:32,300 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2024-11-13 12:52:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:52:32,308 INFO L225 Difference]: With dead ends: 95 [2024-11-13 12:52:32,308 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 12:52:32,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 12:52:32,315 INFO L432 NwaCegarLoop]: 67 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, 67 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 12:52:32,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:52:32,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 12:52:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-13 12:52:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 12:52:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-13 12:52:32,365 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2024-11-13 12:52:32,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:52:32,366 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-13 12:52:32,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-13 12:52:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-13 12:52:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 12:52:32,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:52:32,371 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:52:32,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 12:52:32,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 12:52:32,572 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:52:32,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:52:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1254183667, now seen corresponding path program 1 times [2024-11-13 12:52:32,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:52:32,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120930044] [2024-11-13 12:52:32,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:52:32,574 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 12:52:32,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 12:52:32,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 12:52:32,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c49aed0-2afd-48eb-a79b-08f1e57ad5bf/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 12:52:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:52:32,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 12:52:32,905 INFO L278 TraceCheckSpWp]: Computing forward predicates...