./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC --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 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:19:08,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:19:08,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:19:08,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:19:08,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:19:08,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:19:08,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:19:08,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:19:08,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:19:08,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:19:08,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:19:08,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:19:08,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:19:08,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:19:08,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:19:08,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:19:08,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:19:08,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:19:08,591 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:19:08,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:19:08,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:19:08,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:19:08,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:19:08,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:19:08,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:19:08,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:19:08,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:19:08,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:19:08,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:19:08,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:19:08,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:19:08,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:19:08,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:19:08,593 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_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC 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 -> 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 [2024-11-24 01:19:08,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:19:08,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:19:08,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:19:08,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:19:08,909 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:19:08,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2024-11-24 01:19:12,032 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/9661078bd/0c943a760cb54b14b28f9d7c43ec0b32/FLAGa6dbc2d1a [2024-11-24 01:19:12,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:19:12,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2024-11-24 01:19:12,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/9661078bd/0c943a760cb54b14b28f9d7c43ec0b32/FLAGa6dbc2d1a [2024-11-24 01:19:12,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/9661078bd/0c943a760cb54b14b28f9d7c43ec0b32 [2024-11-24 01:19:12,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:19:12,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:19:12,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:19:12,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:19:12,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:19:12,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f990e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12, skipping insertion in model container [2024-11-24 01:19:12,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:19:12,563 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_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2024-11-24 01:19:12,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:19:12,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:19:12,623 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_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2024-11-24 01:19:12,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:19:12,683 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:19:12,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12 WrapperNode [2024-11-24 01:19:12,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:19:12,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:19:12,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:19:12,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:19:12,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,749 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-24 01:19:12,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:19:12,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:19:12,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:19:12,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:19:12,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,795 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]. [2024-11-24 01:19:12,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:19:12,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:19:12,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:19:12,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:19:12,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (1/1) ... [2024-11-24 01:19:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:19:12,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:19:12,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:19:12,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:19:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:19:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:19:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:19:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:19:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:19:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:19:12,998 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:19:13,000 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:19:13,385 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 01:19:13,385 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:19:13,395 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:19:13,396 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:19:13,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:13 BoogieIcfgContainer [2024-11-24 01:19:13,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:19:13,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:19:13,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:19:13,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:19:13,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:19:12" (1/3) ... [2024-11-24 01:19:13,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e11f076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:19:13, skipping insertion in model container [2024-11-24 01:19:13,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:12" (2/3) ... [2024-11-24 01:19:13,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e11f076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:19:13, skipping insertion in model container [2024-11-24 01:19:13,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:13" (3/3) ... [2024-11-24 01:19:13,410 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-91.i [2024-11-24 01:19:13,433 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:19:13,434 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-91.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:19:13,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:19:13,530 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;@5353354e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:19:13,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:19:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:19:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 01:19:13,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:13,543 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:19:13,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:19:13,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:13,549 INFO L85 PathProgramCache]: Analyzing trace with hash -349205917, now seen corresponding path program 1 times [2024-11-24 01:19:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:13,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047650803] [2024-11-24 01:19:13,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:13,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 01:19:13,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:13,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047650803] [2024-11-24 01:19:13,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047650803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:19:13,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724133326] [2024-11-24 01:19:13,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:13,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:19:13,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:19:13,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:19:13,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:19:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:14,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:19:14,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:19:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 01:19:14,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:19:14,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724133326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:14,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:19:14,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:19:14,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004956070] [2024-11-24 01:19:14,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:14,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:19:14,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:14,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:19:14,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:19:14,095 INFO L87 Difference]: Start difference. First operand has 55 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:19:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:14,122 INFO L93 Difference]: Finished difference Result 103 states and 167 transitions. [2024-11-24 01:19:14,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:19:14,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2024-11-24 01:19:14,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:14,133 INFO L225 Difference]: With dead ends: 103 [2024-11-24 01:19:14,134 INFO L226 Difference]: Without dead ends: 51 [2024-11-24 01:19:14,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:19:14,141 INFO L435 NwaCegarLoop]: 74 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, 74 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 [2024-11-24 01:19:14,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:19:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-24 01:19:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-24 01:19:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.368421052631579) internal successors, (52), 38 states have internal predecessors, (52), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:19:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-24 01:19:14,192 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 75 [2024-11-24 01:19:14,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:14,193 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-24 01:19:14,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 01:19:14,193 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-24 01:19:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 01:19:14,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:14,198 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:19:14,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:19:14,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:19:14,399 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:19:14,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:14,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1802176865, now seen corresponding path program 1 times [2024-11-24 01:19:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:14,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391507488] [2024-11-24 01:19:14,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:14,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 01:19:16,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:19:16,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391507488] [2024-11-24 01:19:16,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391507488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:19:16,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:19:16,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:19:16,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507040539] [2024-11-24 01:19:16,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:19:16,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:19:16,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:19:16,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:19:16,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:19:16,072 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:19:20,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 01:19:24,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 01:19:25,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:19:25,445 INFO L93 Difference]: Finished difference Result 158 states and 226 transitions. [2024-11-24 01:19:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:19:25,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 75 [2024-11-24 01:19:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:19:25,449 INFO L225 Difference]: With dead ends: 158 [2024-11-24 01:19:25,449 INFO L226 Difference]: Without dead ends: 110 [2024-11-24 01:19:25,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:19:25,454 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 91 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:19:25,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 493 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-11-24 01:19:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-24 01:19:25,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 54. [2024-11-24 01:19:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:19:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-11-24 01:19:25,468 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 75 [2024-11-24 01:19:25,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:19:25,470 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-11-24 01:19:25,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:19:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-11-24 01:19:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-24 01:19:25,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:25,473 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:19:25,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:19:25,474 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:19:25,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:25,474 INFO L85 PathProgramCache]: Analyzing trace with hash 992830239, now seen corresponding path program 1 times [2024-11-24 01:19:25,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:19:25,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914398726] [2024-11-24 01:19:25,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:25,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:19:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:19:25,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529991913] [2024-11-24 01:19:25,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:25,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:19:25,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:19:25,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:19:25,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:19:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:19:25,814 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:19:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:19:25,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:19:25,925 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:19:25,926 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:19:25,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:19:26,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:19:26,134 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:19:26,239 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:19:26,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:19:26 BoogieIcfgContainer [2024-11-24 01:19:26,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:19:26,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:19:26,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:19:26,250 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:19:26,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:13" (3/4) ... [2024-11-24 01:19:26,253 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:19:26,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:19:26,258 INFO L158 Benchmark]: Toolchain (without parser) took 13893.54ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 88.4MB in the end (delta: 4.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-24 01:19:26,259 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:19:26,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.74ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:19:26,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.61ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:19:26,261 INFO L158 Benchmark]: Boogie Preprocessor took 80.84ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:19:26,261 INFO L158 Benchmark]: RCFGBuilder took 565.12ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 59.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:19:26,263 INFO L158 Benchmark]: TraceAbstraction took 12849.94ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 88.4MB in the end (delta: -29.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-24 01:19:26,263 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 88.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:19:26,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.74ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.61ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.84ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.12ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 59.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12849.94ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 88.4MB in the end (delta: -29.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 117.4MB. Free memory was 88.4MB in the beginning and 88.4MB in the end (delta: 21.1kB). 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 78, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed short int var_1_5 = 1; [L24] signed short int var_1_8 = -128; [L25] signed short int var_1_9 = 1; [L26] float var_1_10 = 25.8; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] float var_1_13 = 16.45; [L30] unsigned long int var_1_14 = 200; [L31] unsigned short int var_1_15 = 32; [L32] unsigned short int var_1_16 = 256; VAL [isInitial=0, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=-128, var_1_9=1] [L90] isInitial = 1 [L91] FCALL initially() [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L65] var_1_8 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L66] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L67] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L67] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=1] [L68] var_1_9 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L69] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L70] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L72] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=1, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L75] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_13=329/20, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L78] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=256, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L79] var_1_16 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L80] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=5, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=5, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L81] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=200, var_1_15=32, var_1_16=5, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L94] RET updateVariables() [L95] CALL step() [L36] var_1_15 = var_1_16 [L37] var_1_14 = var_1_15 VAL [isInitial=1, var_1_10=129/5, var_1_11=0, var_1_12=0, var_1_14=5, var_1_15=5, var_1_16=5, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L38] COND FALSE !(\read(var_1_11)) [L49] var_1_10 = var_1_13 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=5, var_1_15=5, var_1_16=5, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L51] COND FALSE !(var_1_10 >= 50.4f) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=5, var_1_15=5, var_1_16=5, var_1_1=100000000, var_1_5=1, var_1_8=0, var_1_9=0] [L54] COND FALSE !(var_1_15 == (var_1_14 * var_1_15)) [L61] var_1_5 = var_1_8 VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=5, var_1_15=5, var_1_16=5, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR (((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=5, var_1_15=5, var_1_16=5, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L86-L87] return (((((var_1_10 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_15) > (var_1_15)) ? (var_1_15) : (var_1_15))))) : 1) && ((var_1_15 == (var_1_14 * var_1_15)) ? ((var_1_10 >= (var_1_10 + var_1_10)) ? (var_1_5 == ((signed short int) ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) : (var_1_5 == ((signed short int) var_1_8))) : (var_1_5 == ((signed short int) var_1_8)))) && (var_1_11 ? (var_1_12 ? (((var_1_15 & var_1_14) == var_1_15) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_13)))) && (var_1_14 == ((unsigned long int) var_1_15))) && (var_1_15 == ((unsigned short int) var_1_16)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=5, var_1_15=5, var_1_16=5, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=5, var_1_15=5, var_1_16=5, var_1_1=100000000, var_1_5=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 567 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 383 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 184 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 185 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 640/660 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:19:26,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC --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 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:19:29,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:19:29,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:19:29,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:19:29,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:19:29,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:19:29,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:19:29,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:19:29,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:19:29,615 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:19:29,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:19:29,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:19:29,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:19:29,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:19:29,616 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:19:29,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:19:29,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:19:29,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:19:29,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:19:29,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:19:29,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:19:29,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:19:29,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:19:29,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:19:29,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:19:29,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:19:29,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:19:29,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:19:29,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:19:29,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:19:29,620 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:19:29,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:19:29,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:19:29,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:19:29,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:19:29,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:19:29,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:19:29,621 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:19:29,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:19:29,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:19:29,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:19:29,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:19:29,622 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:19:29,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:19:29,622 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:19:29,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:19:29,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:19:29,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:19:29,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:19:29,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:19:29,623 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_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC 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 -> 50cbd928f19c8de7d0fc761d4d92468ffab28bbc323c734fbd3b038f244d4544 [2024-11-24 01:19:30,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:19:30,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:19:30,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:19:30,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:19:30,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:19:30,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2024-11-24 01:19:33,569 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/a6a0d289b/91ed686f46164447845cca13ca11b62b/FLAGb5c03a8ee [2024-11-24 01:19:33,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:19:33,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i [2024-11-24 01:19:33,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/a6a0d289b/91ed686f46164447845cca13ca11b62b/FLAGb5c03a8ee [2024-11-24 01:19:33,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/data/a6a0d289b/91ed686f46164447845cca13ca11b62b [2024-11-24 01:19:33,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:19:33,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:19:33,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:19:33,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:19:33,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:19:33,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:19:33" (1/1) ... [2024-11-24 01:19:33,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57562954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:33, skipping insertion in model container [2024-11-24 01:19:33,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:19:33" (1/1) ... [2024-11-24 01:19:33,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:19:34,187 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_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2024-11-24 01:19:34,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:19:34,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:19:34,307 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_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-91.i[915,928] [2024-11-24 01:19:34,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:19:34,374 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:19:34,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34 WrapperNode [2024-11-24 01:19:34,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:19:34,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:19:34,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:19:34,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:19:34,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,444 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-11-24 01:19:34,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:19:34,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:19:34,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:19:34,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:19:34,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,486 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]. [2024-11-24 01:19:34,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:19:34,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:19:34,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:19:34,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:19:34,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (1/1) ... [2024-11-24 01:19:34,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:19:34,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:19:34,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:19:34,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:19:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:19:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:19:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:19:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:19:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:19:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:19:34,682 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:19:34,686 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:19:35,277 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:19:35,277 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:19:35,295 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:19:35,295 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:19:35,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:35 BoogieIcfgContainer [2024-11-24 01:19:35,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:19:35,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:19:35,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:19:35,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:19:35,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:19:33" (1/3) ... [2024-11-24 01:19:35,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2324e1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:19:35, skipping insertion in model container [2024-11-24 01:19:35,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:19:34" (2/3) ... [2024-11-24 01:19:35,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2324e1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:19:35, skipping insertion in model container [2024-11-24 01:19:35,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:35" (3/3) ... [2024-11-24 01:19:35,313 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-91.i [2024-11-24 01:19:35,329 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:19:35,330 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-91.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:19:35,398 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:19:35,413 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;@4c7a3185, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:19:35,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:19:35,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:19:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 01:19:35,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:19:35,434 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:19:35,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:19:35,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:19:35,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1820528867, now seen corresponding path program 1 times [2024-11-24 01:19:35,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:19:35,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785379779] [2024-11-24 01:19:35,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:19:35,458 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 [2024-11-24 01:19:35,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:19:35,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:19:35,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:19:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:19:35,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:19:35,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:19:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 01:19:41,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:20:15,382 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 93 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:20:22,303 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 01:20:22,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:20:22,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785379779] [2024-11-24 01:20:22,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785379779] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:20:22,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:20:22,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-24 01:20:22,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80316195] [2024-11-24 01:20:22,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:22,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:20:22,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:20:22,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:20:22,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:20:22,338 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:20:37,846 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:20:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:40,308 INFO L93 Difference]: Finished difference Result 118 states and 193 transitions. [2024-11-24 01:20:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:20:40,312 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-11-24 01:20:40,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:40,321 INFO L225 Difference]: With dead ends: 118 [2024-11-24 01:20:40,321 INFO L226 Difference]: Without dead ends: 79 [2024-11-24 01:20:40,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:20:40,328 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 86 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:20:40,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 273 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-24 01:20:40,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-24 01:20:40,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2024-11-24 01:20:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.1875) internal successors, (57), 49 states have internal predecessors, (57), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:20:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2024-11-24 01:20:40,388 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 73 [2024-11-24 01:20:40,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:40,390 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2024-11-24 01:20:40,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:20:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2024-11-24 01:20:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 01:20:40,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:40,397 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:20:40,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:20:40,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:20:40,598 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:20:40,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:40,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1877787169, now seen corresponding path program 1 times [2024-11-24 01:20:40,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:20:40,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215397849] [2024-11-24 01:20:40,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:40,600 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 [2024-11-24 01:20:40,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:20:40,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:20:40,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:20:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:40,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:20:40,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:20:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 01:20:45,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:20:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:20:59,689 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:20:59,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215397849] [2024-11-24 01:20:59,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215397849] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:20:59,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:20:59,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-24 01:20:59,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461227901] [2024-11-24 01:20:59,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:20:59,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-24 01:20:59,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:20:59,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-24 01:20:59,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-24 01:20:59,697 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-24 01:21:25,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:25,870 INFO L93 Difference]: Finished difference Result 227 states and 297 transitions. [2024-11-24 01:21:25,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-24 01:21:25,873 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 73 [2024-11-24 01:21:25,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:25,877 INFO L225 Difference]: With dead ends: 227 [2024-11-24 01:21:25,877 INFO L226 Difference]: Without dead ends: 157 [2024-11-24 01:21:25,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=392, Invalid=1090, Unknown=0, NotChecked=0, Total=1482 [2024-11-24 01:21:25,879 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 130 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:25,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 430 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-11-24 01:21:25,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-24 01:21:25,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 51. [2024-11-24 01:21:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:21:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2024-11-24 01:21:25,901 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 73 [2024-11-24 01:21:25,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:25,901 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2024-11-24 01:21:25,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-24 01:21:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-11-24 01:21:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-24 01:21:25,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:25,903 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:21:25,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 01:21:26,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:21:26,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:21:26,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:26,105 INFO L85 PathProgramCache]: Analyzing trace with hash 368106766, now seen corresponding path program 1 times [2024-11-24 01:21:26,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:21:26,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263171331] [2024-11-24 01:21:26,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:26,106 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 [2024-11-24 01:21:26,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:21:26,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:21:26,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 (4)] Waiting until timeout for monitored process [2024-11-24 01:21:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:26,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 01:21:26,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:21:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 01:21:29,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:22:09,947 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 93 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:22:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 01:22:22,331 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:22:22,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263171331] [2024-11-24 01:22:22,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263171331] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:22:22,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:22:22,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-11-24 01:22:22,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690833093] [2024-11-24 01:22:22,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:22:22,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:22:22,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:22:22,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:22:22,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:22:22,334 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:22:49,042 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:22:57,133 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:23:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:23:10,069 INFO L93 Difference]: Finished difference Result 100 states and 129 transitions. [2024-11-24 01:23:10,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:23:10,075 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-24 01:23:10,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:23:10,076 INFO L225 Difference]: With dead ends: 100 [2024-11-24 01:23:10,076 INFO L226 Difference]: Without dead ends: 98 [2024-11-24 01:23:10,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2024-11-24 01:23:10,080 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 93 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:23:10,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 281 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 23.1s Time] [2024-11-24 01:23:10,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-24 01:23:10,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 49. [2024-11-24 01:23:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:23:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions. [2024-11-24 01:23:10,106 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 74 [2024-11-24 01:23:10,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:23:10,106 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions. [2024-11-24 01:23:10,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:23:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2024-11-24 01:23:10,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-24 01:23:10,109 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:23:10,109 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:23:10,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 (4)] Ended with exit code 0 [2024-11-24 01:23:10,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:23:10,309 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:23:10,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:23:10,310 INFO L85 PathProgramCache]: Analyzing trace with hash 366259724, now seen corresponding path program 1 times [2024-11-24 01:23:10,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:23:10,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696340414] [2024-11-24 01:23:10,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:23:10,311 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 [2024-11-24 01:23:10,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:23:10,320 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:23:10,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 (5)] Waiting until timeout for monitored process [2024-11-24 01:23:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:23:10,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 01:23:10,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:23:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 01:23:12,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:23:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 01:23:36,363 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:23:36,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696340414] [2024-11-24 01:23:36,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696340414] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:23:36,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:23:36,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-11-24 01:23:36,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500870742] [2024-11-24 01:23:36,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:23:36,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:23:36,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:23:36,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:23:36,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:23:36,367 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:24:07,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:24:07,202 INFO L93 Difference]: Finished difference Result 100 states and 129 transitions. [2024-11-24 01:24:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:24:07,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-24 01:24:07,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:24:07,210 INFO L225 Difference]: With dead ends: 100 [2024-11-24 01:24:07,210 INFO L226 Difference]: Without dead ends: 98 [2024-11-24 01:24:07,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 23.9s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:24:07,211 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 112 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:24:07,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 197 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2024-11-24 01:24:07,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-24 01:24:07,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 51. [2024-11-24 01:24:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 01:24:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2024-11-24 01:24:07,235 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 74 [2024-11-24 01:24:07,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:24:07,235 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2024-11-24 01:24:07,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:24:07,236 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-11-24 01:24:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-24 01:24:07,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:24:07,239 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-24 01:24:07,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 (5)] Ended with exit code 0 [2024-11-24 01:24:07,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:24:07,442 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:24:07,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:24:07,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2141267086, now seen corresponding path program 1 times [2024-11-24 01:24:07,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:24:07,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756747776] [2024-11-24 01:24:07,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:24:07,443 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 [2024-11-24 01:24:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:24:07,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:24:07,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 (6)] Waiting until timeout for monitored process [2024-11-24 01:24:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:24:07,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 01:24:07,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:24:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-24 01:24:18,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:24:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-24 01:24:34,399 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:24:34,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756747776] [2024-11-24 01:24:34,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756747776] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:24:34,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:24:34,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-11-24 01:24:34,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86744186] [2024-11-24 01:24:34,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:24:34,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:24:34,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:24:34,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:24:34,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:24:34,403 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:25:30,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:25:30,718 INFO L93 Difference]: Finished difference Result 98 states and 127 transitions. [2024-11-24 01:25:30,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:25:30,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-24 01:25:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:25:30,726 INFO L225 Difference]: With dead ends: 98 [2024-11-24 01:25:30,726 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:25:30,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 29.6s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-11-24 01:25:30,728 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 102 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:25:30,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 190 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 38.3s Time] [2024-11-24 01:25:30,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:25:30,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:25:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:25:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:25:30,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-24 01:25:30,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:25:30,731 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:25:30,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-24 01:25:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:25:30,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:25:30,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:25:30,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 (6)] Forceful destruction successful, exit code 0 [2024-11-24 01:25:30,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:25:30,939 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:25:30,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:25:51,487 WARN L286 SmtUtils]: Spent 15.50s on a formula simplification. DAG size of input: 214 DAG size of output: 218 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-24 01:26:23,506 WARN L286 SmtUtils]: Spent 26.48s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:26:50,719 WARN L286 SmtUtils]: Spent 27.21s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:27:20,559 WARN L286 SmtUtils]: Spent 29.84s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:27:45,331 WARN L286 SmtUtils]: Spent 24.77s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:28:10,690 WARN L286 SmtUtils]: Spent 25.36s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:28:33,876 WARN L286 SmtUtils]: Spent 23.18s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:28:56,156 WARN L286 SmtUtils]: Spent 22.23s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:29:22,560 WARN L286 SmtUtils]: Spent 26.40s on a formula simplification. DAG size of input: 90 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:29:51,592 WARN L286 SmtUtils]: Spent 29.00s on a formula simplification. DAG size of input: 188 DAG size of output: 8 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:30:35,576 WARN L286 SmtUtils]: Spent 43.98s on a formula simplification. DAG size of input: 218 DAG size of output: 56 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:31:02,172 WARN L286 SmtUtils]: Spent 26.51s on a formula simplification. DAG size of input: 190 DAG size of output: 3 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:31:02,176 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:31:02,203 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,204 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,208 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,209 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,209 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,209 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,210 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,211 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,212 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,216 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,216 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,216 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,217 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,217 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,217 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,217 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,217 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,218 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,218 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,218 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,218 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,218 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,218 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,219 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,220 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,220 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,220 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,220 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,220 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,223 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,224 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,225 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,225 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,225 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,225 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,225 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,225 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,226 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,226 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,226 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,226 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,226 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,226 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,226 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,227 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,228 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,229 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,229 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:31:02,229 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:31:02,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:31:02 BoogieIcfgContainer [2024-11-24 01:31:02,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:31:02,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:31:02,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:31:02,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:31:02,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:19:35" (3/4) ... [2024-11-24 01:31:02,239 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:31:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 01:31:02,255 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-24 01:31:02,257 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:31:02,257 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:31:02,257 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:31:02,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:31:02,359 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:31:02,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:31:02,360 INFO L158 Benchmark]: Toolchain (without parser) took 688456.34ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 93.5MB in the beginning and 601.7MB in the end (delta: -508.3MB). Peak memory consumption was 503.8MB. Max. memory is 16.1GB. [2024-11-24 01:31:02,360 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:31:02,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.48ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 80.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:31:02,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.02ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:31:02,362 INFO L158 Benchmark]: Boogie Preprocessor took 72.48ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:31:02,362 INFO L158 Benchmark]: RCFGBuilder took 772.84ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 63.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:31:02,363 INFO L158 Benchmark]: TraceAbstraction took 686929.40ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 62.6MB in the beginning and 606.5MB in the end (delta: -543.9MB). Peak memory consumption was 656.0MB. Max. memory is 16.1GB. [2024-11-24 01:31:02,363 INFO L158 Benchmark]: Witness Printer took 125.81ms. Allocated memory is still 1.1GB. Free memory was 606.5MB in the beginning and 601.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:31:02,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.48ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 80.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.02ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.48ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 772.84ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 63.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 686929.40ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 62.6MB in the beginning and 606.5MB in the end (delta: -543.9MB). Peak memory consumption was 656.0MB. Max. memory is 16.1GB. * Witness Printer took 125.81ms. Allocated memory is still 1.1GB. Free memory was 606.5MB in the beginning and 601.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 355.6s, OverallIterations: 5, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 179.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 547 SdHoareTripleChecker+Valid, 96.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 523 mSDsluCounter, 1371 SdHoareTripleChecker+Invalid, 93.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1070 mSDsCounter, 425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1277 IncrementalHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 425 mSolverCounterUnsat, 301 mSDtfsCounter, 1277 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 778 GetRequests, 658 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 138.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=1, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 208 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 174.0s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 726 ConstructedInterpolants, 3 QuantifiedInterpolants, 7758 SizeOfPredicates, 54 NumberOfNonLiveVariables, 626 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 2164/2200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:31:02,589 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-24 01:31:02,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed6509d9-f30b-4db7-b6cc-4f217dfc1789/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE