./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 3b2e3608467ce5fb389c9c299481f4e39ad254a246293f23d6cd670d2f095c1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:35:02,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:35:02,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:35:02,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:35:02,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:35:02,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:35:02,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:35:02,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:35:02,318 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:35:02,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:35:02,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:35:02,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:35:02,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:35:02,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:35:02,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:35:02,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:35:02,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:35:02,322 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:35:02,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:35:02,323 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:35:02,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:02,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:02,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:35:02,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:35:02,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:35:02,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:35:02,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:35:02,326 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:35:02,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:35:02,327 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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 -> 3b2e3608467ce5fb389c9c299481f4e39ad254a246293f23d6cd670d2f095c1f [2024-11-23 22:35:02,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:35:02,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:35:02,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:35:02,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:35:02,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:35:02,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i [2024-11-23 22:35:05,739 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/b76d8eeb2/7718e2f6d9d6412aa2a38d3e8283fcf6/FLAGa4f868ed9 [2024-11-23 22:35:05,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:35:05,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i [2024-11-23 22:35:06,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/b76d8eeb2/7718e2f6d9d6412aa2a38d3e8283fcf6/FLAGa4f868ed9 [2024-11-23 22:35:06,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/b76d8eeb2/7718e2f6d9d6412aa2a38d3e8283fcf6 [2024-11-23 22:35:06,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:35:06,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:35:06,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:06,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:35:06,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:35:06,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29260e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06, skipping insertion in model container [2024-11-23 22:35:06,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:35:06,211 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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i[915,928] [2024-11-23 22:35:06,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:06,267 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:35:06,279 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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i[915,928] [2024-11-23 22:35:06,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:06,314 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:35:06,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06 WrapperNode [2024-11-23 22:35:06,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:06,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:06,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:35:06,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:35:06,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,353 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-11-23 22:35:06,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:06,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:35:06,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:35:06,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:35:06,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,368 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,382 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]. [2024-11-23 22:35:06,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:35:06,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:35:06,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:35:06,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:35:06,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (1/1) ... [2024-11-23 22:35:06,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:06,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:06,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:35:06,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:35:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:35:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:35:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:35:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:35:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:35:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:35:06,576 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:35:06,578 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:35:06,810 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 22:35:06,810 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:35:06,824 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:35:06,826 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:35:06,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:06 BoogieIcfgContainer [2024-11-23 22:35:06,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:35:06,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:35:06,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:35:06,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:35:06,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:35:06" (1/3) ... [2024-11-23 22:35:06,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b71cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:06, skipping insertion in model container [2024-11-23 22:35:06,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:06" (2/3) ... [2024-11-23 22:35:06,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b71cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:06, skipping insertion in model container [2024-11-23 22:35:06,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:06" (3/3) ... [2024-11-23 22:35:06,843 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-60.i [2024-11-23 22:35:06,864 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:35:06,866 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-60.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:35:06,944 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:35:06,960 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;@60f30d89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:35:06,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:35:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:35:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:35:06,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:06,975 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:06,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:06,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:06,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1812282281, now seen corresponding path program 1 times [2024-11-23 22:35:06,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:06,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940943166] [2024-11-23 22:35:06,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:06,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-23 22:35:07,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:07,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940943166] [2024-11-23 22:35:07,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940943166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:35:07,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428163003] [2024-11-23 22:35:07,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:07,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:35:07,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:07,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:35:07,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:35:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:07,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:35:07,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-23 22:35:07,444 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:07,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428163003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:07,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:35:07,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:35:07,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087382195] [2024-11-23 22:35:07,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:07,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:35:07,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:07,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:35:07,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:35:07,474 INFO L87 Difference]: Start difference. First operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:35:07,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:07,500 INFO L93 Difference]: Finished difference Result 68 states and 102 transitions. [2024-11-23 22:35:07,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:35:07,503 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-23 22:35:07,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:07,511 INFO L225 Difference]: With dead ends: 68 [2024-11-23 22:35:07,511 INFO L226 Difference]: Without dead ends: 33 [2024-11-23 22:35:07,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:35:07,519 INFO L435 NwaCegarLoop]: 42 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, 42 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 [2024-11-23 22:35:07,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:07,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-23 22:35:07,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-23 22:35:07,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:35:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2024-11-23 22:35:07,565 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 49 [2024-11-23 22:35:07,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:07,566 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2024-11-23 22:35:07,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:35:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-23 22:35:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:35:07,568 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:07,568 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:07,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:07,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:35:07,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:07,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:07,773 INFO L85 PathProgramCache]: Analyzing trace with hash -181298531, now seen corresponding path program 1 times [2024-11-23 22:35:07,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:07,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779995007] [2024-11-23 22:35:07,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:35:08,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:08,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779995007] [2024-11-23 22:35:08,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779995007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:08,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:08,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:08,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192737318] [2024-11-23 22:35:08,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:08,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:08,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:08,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:08,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:08,012 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:08,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:08,035 INFO L93 Difference]: Finished difference Result 63 states and 81 transitions. [2024-11-23 22:35:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:08,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2024-11-23 22:35:08,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:08,037 INFO L225 Difference]: With dead ends: 63 [2024-11-23 22:35:08,038 INFO L226 Difference]: Without dead ends: 33 [2024-11-23 22:35:08,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:08,039 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:08,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 35 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:08,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-23 22:35:08,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-23 22:35:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:35:08,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2024-11-23 22:35:08,046 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 49 [2024-11-23 22:35:08,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:08,047 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2024-11-23 22:35:08,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-11-23 22:35:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-23 22:35:08,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:08,050 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:08,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:35:08,051 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:08,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:08,051 INFO L85 PathProgramCache]: Analyzing trace with hash -150514383, now seen corresponding path program 1 times [2024-11-23 22:35:08,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:08,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850626632] [2024-11-23 22:35:08,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:35:08,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:35:08,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850626632] [2024-11-23 22:35:08,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850626632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:08,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:08,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:35:08,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507519473] [2024-11-23 22:35:08,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:08,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:35:08,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:35:08,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:35:08,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:35:08,347 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:08,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:08,451 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2024-11-23 22:35:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:35:08,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-11-23 22:35:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:08,457 INFO L225 Difference]: With dead ends: 102 [2024-11-23 22:35:08,458 INFO L226 Difference]: Without dead ends: 72 [2024-11-23 22:35:08,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:35:08,459 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 43 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:08,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 115 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:35:08,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-23 22:35:08,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 61. [2024-11-23 22:35:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:35:08,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2024-11-23 22:35:08,484 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 50 [2024-11-23 22:35:08,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:08,484 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2024-11-23 22:35:08,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2024-11-23 22:35:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-23 22:35:08,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:08,489 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:08,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:35:08,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:08,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:08,490 INFO L85 PathProgramCache]: Analyzing trace with hash -848587585, now seen corresponding path program 1 times [2024-11-23 22:35:08,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:08,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450351552] [2024-11-23 22:35:08,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:08,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:35:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:35:08,555 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:35:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:35:08,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:35:08,622 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:35:08,623 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:35:08,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:35:08,628 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 22:35:08,663 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:35:08,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:35:08 BoogieIcfgContainer [2024-11-23 22:35:08,667 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:35:08,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:35:08,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:35:08,668 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:35:08,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:06" (3/4) ... [2024-11-23 22:35:08,671 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:35:08,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:35:08,672 INFO L158 Benchmark]: Toolchain (without parser) took 2645.44ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 38.5MB in the end (delta: 54.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-23 22:35:08,673 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:08,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.52ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:08,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.66ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:08,675 INFO L158 Benchmark]: Boogie Preprocessor took 52.38ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:08,675 INFO L158 Benchmark]: RCFGBuilder took 420.48ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 63.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:08,676 INFO L158 Benchmark]: TraceAbstraction took 1835.96ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 39.1MB in the end (delta: 24.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-23 22:35:08,676 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 117.4MB. Free memory was 39.1MB in the beginning and 38.5MB in the end (delta: 539.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:08,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.52ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 80.0MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.66ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.38ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.48ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 63.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1835.96ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 39.1MB in the end (delta: 24.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 117.4MB. Free memory was 39.1MB in the beginning and 38.5MB in the end (delta: 539.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.6; [L23] double var_1_2 = 64.25; [L24] double var_1_3 = 31.2; [L25] signed long int var_1_4 = 1; [L26] float var_1_7 = 100.5; [L27] float var_1_9 = 50.2; [L28] float var_1_10 = 0.125; [L29] float var_1_11 = 9999999999999.8; [L30] float var_1_12 = 3.5; [L31] unsigned short int var_1_13 = 0; [L32] double last_1_var_1_1 = 9999.6; [L33] unsigned short int last_1_var_1_13 = 0; VAL [isInitial=0, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_2=257/4, var_1_3=156/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L82] isInitial = 1 [L83] FCALL initially() [L85] CALL updateLastVariables() [L74] last_1_var_1_1 = var_1_1 [L75] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_2=257/4, var_1_3=156/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L85] RET updateLastVariables() [L86] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L61] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L62] var_1_3 = __VERIFIER_nondet_double() [L63] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L63] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2, var_1_9=251/5] [L64] var_1_9 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L65] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_10=1/8, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L66] var_1_10 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L67] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_11=49999999999999/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L68] var_1_11 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L69] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_12=7/2, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L70] var_1_12 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L71] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L86] RET updateVariables() [L87] CALL step() [L37] COND TRUE (- last_1_var_1_13) >= last_1_var_1_13 VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L38] COND FALSE !(last_1_var_1_13 > last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L46] COND TRUE -4 < var_1_4 VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_13=0, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L47] COND TRUE var_1_11 <= (24.6f * var_1_9) [L48] var_1_13 = var_1_4 VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_13=1, var_1_1=49998/5, var_1_4=1, var_1_7=201/2] [L51] var_1_1 = (var_1_2 - var_1_3) [L52] signed long int stepLocal_0 = var_1_13 + var_1_4; VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, stepLocal_0=2, var_1_13=1, var_1_4=1, var_1_7=201/2] [L53] COND FALSE !(stepLocal_0 < var_1_4) [L56] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_11=10000000000004, var_1_13=1, var_1_4=1, var_1_7=10000000000004] [L87] RET step() [L88] CALL, EXPR property() [L78-L79] return (((var_1_1 == ((double) (var_1_2 - var_1_3))) && (((- last_1_var_1_13) >= last_1_var_1_13) ? ((last_1_var_1_13 > last_1_var_1_13) ? ((var_1_3 == last_1_var_1_1) ? (var_1_4 == ((signed long int) last_1_var_1_13)) : (var_1_4 == ((signed long int) last_1_var_1_13))) : 1) : 1)) && (((var_1_13 + var_1_4) < var_1_4) ? (var_1_7 == ((float) (((((var_1_3 - (var_1_9 + var_1_10))) < ((var_1_11 + var_1_12))) ? ((var_1_3 - (var_1_9 + var_1_10))) : ((var_1_11 + var_1_12)))))) : (var_1_7 == ((float) var_1_11)))) && ((-4 < var_1_4) ? ((var_1_11 <= (24.6f * var_1_9)) ? (var_1_13 == ((unsigned short int) var_1_4)) : 1) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_11=10000000000004, var_1_13=1, var_1_4=1, var_1_7=10000000000004] [L88] RET, EXPR property() [L88] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_11=10000000000004, var_1_13=1, var_1_4=1, var_1_7=10000000000004] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_1=49998/5, var_1_11=10000000000004, var_1_13=1, var_1_4=1, var_1_7=10000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 123 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 135 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 230/240 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 [2024-11-23 22:35:08,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 3b2e3608467ce5fb389c9c299481f4e39ad254a246293f23d6cd670d2f095c1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:35:11,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:35:11,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 22:35:11,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:35:11,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:35:11,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:35:11,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:35:11,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:35:11,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:35:11,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:35:11,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:35:11,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:35:11,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:35:11,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:35:11,481 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:35:11,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:35:11,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:35:11,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:35:11,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:35:11,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:35:11,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:35:11,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:35:11,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:35:11,483 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:35:11,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:35:11,484 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:35:11,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:11,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:11,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:35:11,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:35:11,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:35:11,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:35:11,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:35:11,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:35:11,486 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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 -> 3b2e3608467ce5fb389c9c299481f4e39ad254a246293f23d6cd670d2f095c1f [2024-11-23 22:35:11,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:35:11,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:35:11,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:35:11,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:35:11,865 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:35:11,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i [2024-11-23 22:35:15,041 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/1fd83573c/e95a814b427e4f8792b51f95b79214f8/FLAGce4c9b713 [2024-11-23 22:35:15,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:35:15,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i [2024-11-23 22:35:15,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/1fd83573c/e95a814b427e4f8792b51f95b79214f8/FLAGce4c9b713 [2024-11-23 22:35:15,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/data/1fd83573c/e95a814b427e4f8792b51f95b79214f8 [2024-11-23 22:35:15,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:35:15,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:35:15,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:15,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:35:15,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:35:15,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ce0490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15, skipping insertion in model container [2024-11-23 22:35:15,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:35:15,575 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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i[915,928] [2024-11-23 22:35:15,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:15,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:35:15,646 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_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-60.i[915,928] [2024-11-23 22:35:15,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:15,686 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:35:15,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15 WrapperNode [2024-11-23 22:35:15,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:15,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:15,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:35:15,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:35:15,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,726 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-11-23 22:35:15,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:15,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:35:15,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:35:15,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:35:15,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,755 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]. [2024-11-23 22:35:15,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,764 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:35:15,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:35:15,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:35:15,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:35:15,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (1/1) ... [2024-11-23 22:35:15,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:15,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:15,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:35:15,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:35:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:35:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:35:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:35:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:35:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:35:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:35:15,969 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:35:15,972 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:35:25,141 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 22:35:25,141 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:35:25,152 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:35:25,152 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:35:25,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:25 BoogieIcfgContainer [2024-11-23 22:35:25,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:35:25,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:35:25,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:35:25,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:35:25,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:35:15" (1/3) ... [2024-11-23 22:35:25,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4af11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:25, skipping insertion in model container [2024-11-23 22:35:25,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:15" (2/3) ... [2024-11-23 22:35:25,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4af11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:25, skipping insertion in model container [2024-11-23 22:35:25,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:25" (3/3) ... [2024-11-23 22:35:25,165 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-60.i [2024-11-23 22:35:25,181 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:35:25,182 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-60.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:35:25,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:35:25,250 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;@1ae87fff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:35:25,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:35:25,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:35:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:35:25,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:25,263 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:25,263 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:25,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:25,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1812282281, now seen corresponding path program 1 times [2024-11-23 22:35:25,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:25,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929834091] [2024-11-23 22:35:25,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:25,280 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 [2024-11-23 22:35:25,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:35:25,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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) [2024-11-23 22:35:25,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:25,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:35:25,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-23 22:35:25,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:25,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:35:25,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929834091] [2024-11-23 22:35:25,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929834091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:25,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:25,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:35:25,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492416542] [2024-11-23 22:35:25,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:25,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:35:25,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:35:25,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:35:25,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:35:25,793 INFO L87 Difference]: Start difference. First operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:35:25,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:25,812 INFO L93 Difference]: Finished difference Result 68 states and 102 transitions. [2024-11-23 22:35:25,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:35:25,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-23 22:35:25,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:25,818 INFO L225 Difference]: With dead ends: 68 [2024-11-23 22:35:25,818 INFO L226 Difference]: Without dead ends: 33 [2024-11-23 22:35:25,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:35:25,824 INFO L435 NwaCegarLoop]: 42 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, 42 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 [2024-11-23 22:35:25,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:35:25,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-23 22:35:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-23 22:35:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 22:35:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2024-11-23 22:35:25,859 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 49 [2024-11-23 22:35:25,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:25,859 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2024-11-23 22:35:25,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 22:35:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-23 22:35:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 22:35:25,862 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:25,862 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:25,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:26,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:26,063 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:26,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:26,064 INFO L85 PathProgramCache]: Analyzing trace with hash -181298531, now seen corresponding path program 1 times [2024-11-23 22:35:26,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:26,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235460046] [2024-11-23 22:35:26,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:26,065 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 [2024-11-23 22:35:26,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:35:26,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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) [2024-11-23 22:35:26,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:26,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:35:26,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:35:27,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:27,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:35:27,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235460046] [2024-11-23 22:35:27,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235460046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:27,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:27,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:35:27,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035649474] [2024-11-23 22:35:27,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:27,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:35:27,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:35:27,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:35:27,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:35:27,042 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:31,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:35,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:39,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:43,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:47,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:47,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:47,845 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2024-11-23 22:35:47,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:35:47,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2024-11-23 22:35:47,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:47,878 INFO L225 Difference]: With dead ends: 104 [2024-11-23 22:35:47,878 INFO L226 Difference]: Without dead ends: 74 [2024-11-23 22:35:47,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:35:47,880 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 56 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 14 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:47,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 109 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 20.7s Time] [2024-11-23 22:35:47,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-23 22:35:47,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2024-11-23 22:35:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:35:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 79 transitions. [2024-11-23 22:35:47,901 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 79 transitions. Word has length 49 [2024-11-23 22:35:47,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:47,902 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 79 transitions. [2024-11-23 22:35:47,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2024-11-23 22:35:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-23 22:35:47,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:47,904 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:47,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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)] Forceful destruction successful, exit code 0 [2024-11-23 22:35:48,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:48,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:48,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:48,105 INFO L85 PathProgramCache]: Analyzing trace with hash 211824975, now seen corresponding path program 1 times [2024-11-23 22:35:48,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:48,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325775517] [2024-11-23 22:35:48,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:48,106 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 [2024-11-23 22:35:48,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:35:48,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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) [2024-11-23 22:35:48,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:48,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:35:48,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:35:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 22:35:49,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:35:49,029 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:35:49,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325775517] [2024-11-23 22:35:49,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325775517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:35:49,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:35:49,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:35:49,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976591926] [2024-11-23 22:35:49,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:35:49,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:35:49,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:35:49,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:35:49,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:49,032 INFO L87 Difference]: Start difference. First operand 61 states and 79 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:53,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:57,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:35:57,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:35:57,687 INFO L93 Difference]: Finished difference Result 119 states and 155 transitions. [2024-11-23 22:35:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:35:57,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-11-23 22:35:57,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:35:57,719 INFO L225 Difference]: With dead ends: 119 [2024-11-23 22:35:57,719 INFO L226 Difference]: Without dead ends: 61 [2024-11-23 22:35:57,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:35:57,721 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:35:57,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 35 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-11-23 22:35:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-23 22:35:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-23 22:35:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 22:35:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2024-11-23 22:35:57,737 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 50 [2024-11-23 22:35:57,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:35:57,738 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2024-11-23 22:35:57,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-23 22:35:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2024-11-23 22:35:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-23 22:35:57,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:57,740 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-23 22:35:57,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:57,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:57,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:35:57,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:57,941 INFO L85 PathProgramCache]: Analyzing trace with hash -848587585, now seen corresponding path program 1 times [2024-11-23 22:35:57,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:35:57,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287233382] [2024-11-23 22:35:57,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:57,942 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 [2024-11-23 22:35:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:35:57,945 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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) [2024-11-23 22:35:57,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9d2e7d-228f-4641-ae43-e0d73dcf0df0/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 [2024-11-23 22:35:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:35:58,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 22:35:58,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:34,084 WARN L286 SmtUtils]: Spent 9.37s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 22:36:57,972 WARN L286 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-23 22:37:13,635 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:37:21,802 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:37:27,085 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:37:46,304 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:37:54,471 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:38:09,894 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:38:18,053 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:38:26,209 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:38:34,379 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:38:49,241 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:38:57,394 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:39:05,550 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:39:14,697 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:39:22,858 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:39:31,005 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:39:39,885 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:39:48,028 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:39:56,177 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:40:04,324 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:40:12,485 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:40:20,634 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:40:29,995 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:40:38,154 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:41:03,154 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:41:11,310 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:41:18,800 WARN L286 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:41:31,016 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:41:39,166 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:41:47,303 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:41:55,491 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:42:11,815 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:42:19,970 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:42:28,108 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:42:37,425 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:42:45,585 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:42:53,733 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:43:02,555 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:43:10,711 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:43:18,858 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:43:27,008 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:43:35,174 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:43:43,327 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:43:54,047 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:02,205 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:10,350 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:18,646 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:26,794 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:34,930 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:43,185 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:51,334 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:44:59,487 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:45:07,612 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:45:15,744 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:45:23,870 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:45:32,124 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:45:40,257 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:45:48,383 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:45:57,044 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:05,178 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:13,296 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:21,438 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:29,611 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:37,731 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:46,014 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:54,146 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:02,266 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:10,626 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:18,754 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:26,878 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:35,101 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:43,237 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:51,353 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:47:59,673 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:48:07,810 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:48:15,933 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:48:24,053 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:48:32,181 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:48:40,294 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:48:48,636 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:48:56,781 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:49:04,912 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:49:13,266 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:49:21,414 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:49:29,574 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:49:37,698 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:49:45,834 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:49:53,957 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:50:02,226 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:50:10,383 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:50:18,534 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:50:27,023 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)