./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.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_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/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_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/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_494be130-3e9d-41cc-bf0a-45db91e03a51/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 d6ad1444b30f33b27530b4799d39001f8d6831760aaefdc97e8e3af94a8d9490
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:14:11,116 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:14:11,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 00:14:11,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:14:11,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:14:11,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:14:11,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:14:11,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:14:11,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:14:11,232 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:14:11,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:14:11,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:14:11,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:14:11,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:14:11,233 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:14:11,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:14:11,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:14:11,234 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:14:11,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:14:11,234 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:14:11,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:14:11,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:14:11,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:14:11,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:14:11,235 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:14:11,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:14:11,235 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:14:11,235 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:14:11,235 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:14:11,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:14:11,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:14:11,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:14:11,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:11,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:14:11,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:14:11,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:14:11,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:14:11,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:11,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:14:11,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:14:11,237 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:14:11,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:14:11,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:14:11,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:14:11,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:14:11,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:14:11,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:14:11,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:14:11,238 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_494be130-3e9d-41cc-bf0a-45db91e03a51/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 -> d6ad1444b30f33b27530b4799d39001f8d6831760aaefdc97e8e3af94a8d9490
[2024-11-24 00:14:11,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:14:11,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:14:11,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:14:11,608 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:14:11,609 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:14:11,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i
[2024-11-24 00:14:14,917 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/b9fda10bc/9bc55e5365334bd2b43f83360fa7e28e/FLAG57dacbe3a
[2024-11-24 00:14:15,288 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:14:15,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i
[2024-11-24 00:14:15,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/b9fda10bc/9bc55e5365334bd2b43f83360fa7e28e/FLAG57dacbe3a
[2024-11-24 00:14:15,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/b9fda10bc/9bc55e5365334bd2b43f83360fa7e28e
[2024-11-24 00:14:15,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:14:15,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:14:15,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:15,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:14:15,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:14:15,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509d0207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15, skipping insertion in model container
[2024-11-24 00:14:15,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,363 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:14:15,525 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_494be130-3e9d-41cc-bf0a-45db91e03a51/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i[915,928]
[2024-11-24 00:14:15,618 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:15,637 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:14:15,655 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_494be130-3e9d-41cc-bf0a-45db91e03a51/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i[915,928]
[2024-11-24 00:14:15,683 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:15,710 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:14:15,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15 WrapperNode
[2024-11-24 00:14:15,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:15,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:15,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:14:15,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:14:15,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,769 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121
[2024-11-24 00:14:15,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:15,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:14:15,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:14:15,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:14:15,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,801 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,820 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:14:15,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:14:15,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:14:15,840 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:14:15,840 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:14:15,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (1/1) ...
[2024-11-24 00:14:15,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:15,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:14:15,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:15,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:14:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:14:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:14:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:14:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:14:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:14:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:14:16,043 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:14:16,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:14:16,486 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live.
[2024-11-24 00:14:16,486 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:14:16,501 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:14:16,502 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:14:16,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:16 BoogieIcfgContainer
[2024-11-24 00:14:16,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:14:16,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:14:16,508 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:14:16,515 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:14:16,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:14:15" (1/3) ...
[2024-11-24 00:14:16,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7371f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:16, skipping insertion in model container
[2024-11-24 00:14:16,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:15" (2/3) ...
[2024-11-24 00:14:16,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7371f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:16, skipping insertion in model container
[2024-11-24 00:14:16,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:16" (3/3) ...
[2024-11-24 00:14:16,521 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-63.i
[2024-11-24 00:14:16,542 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:14:16,544 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-63.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 00:14:16,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:14:16,660 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;@92215a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:14:16,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:14:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 00:14:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-24 00:14:16,685 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:16,686 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:16,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:16,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:16,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2070134190, now seen corresponding path program 1 times
[2024-11-24 00:14:16,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:14:16,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524572338]
[2024-11-24 00:14:16,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:16,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:14:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-24 00:14:17,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 00:14:17,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524572338]
[2024-11-24 00:14:17,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524572338] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 00:14:17,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22146937]
[2024-11-24 00:14:17,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:17,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 00:14:17,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:14:17,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 00:14:17,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 00:14:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:17,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:14:17,343 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:14:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-24 00:14:17,391 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:14:17,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22146937] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:14:17,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 00:14:17,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 00:14:17,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973429981]
[2024-11-24 00:14:17,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:14:17,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:14:17,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 00:14:17,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:14:17,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:17,431 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-24 00:14:17,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:14:17,481 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions.
[2024-11-24 00:14:17,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 00:14:17,486 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124
[2024-11-24 00:14:17,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:14:17,497 INFO L225 Difference]: With dead ends: 109
[2024-11-24 00:14:17,498 INFO L226 Difference]: Without dead ends: 52
[2024-11-24 00:14:17,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:17,509 INFO L435 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:14:17,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:14:17,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-24 00:14:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-24 00:14:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 00:14:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions.
[2024-11-24 00:14:17,561 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 124
[2024-11-24 00:14:17,562 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:14:17,562 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions.
[2024-11-24 00:14:17,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-24 00:14:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions.
[2024-11-24 00:14:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-24 00:14:17,566 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:17,566 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:17,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 00:14:17,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 00:14:17,767 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:17,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1424915222, now seen corresponding path program 1 times
[2024-11-24 00:14:17,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:14:17,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446717738]
[2024-11-24 00:14:17,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:14:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:14:17,991 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:14:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:14:18,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 00:14:18,174 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:14:18,175 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 00:14:18,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 00:14:18,183 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-24 00:14:18,284 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:14:18,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:14:18 BoogieIcfgContainer
[2024-11-24 00:14:18,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:14:18,289 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:14:18,289 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:14:18,290 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:14:18,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:16" (3/4) ...
[2024-11-24 00:14:18,298 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 00:14:18,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:14:18,303 INFO L158 Benchmark]: Toolchain (without parser) took 2976.65ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 73.1MB in the end (delta: 28.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB.
[2024-11-24 00:14:18,304 INFO L158 Benchmark]: CDTParser took 1.89ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:14:18,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.72ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 88.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:14:18,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.63ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 86.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:14:18,306 INFO L158 Benchmark]: Boogie Preprocessor took 68.80ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:14:18,307 INFO L158 Benchmark]: RCFGBuilder took 663.17ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 68.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:14:18,307 INFO L158 Benchmark]: TraceAbstraction took 1780.71ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 73.5MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:14:18,307 INFO L158 Benchmark]: Witness Printer took 13.01ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 73.1MB in the end (delta: 383.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:14:18,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.89ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 383.72ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 88.6MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 56.63ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 86.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 68.80ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 84.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 663.17ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 68.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1780.71ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 73.5MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 13.01ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 73.1MB in the end (delta: 383.7kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 97.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 0;
[L23] float var_1_2 = 8.3;
[L24] float var_1_3 = 2.25;
[L25] float var_1_4 = 10.3;
[L26] unsigned char var_1_5 = 1;
[L27] unsigned char var_1_6 = 0;
[L28] signed long int var_1_7 = 128;
[L29] float var_1_8 = 9.8;
[L30] signed long int var_1_9 = -256;
[L31] unsigned short int var_1_10 = 5;
[L32] signed char var_1_11 = 8;
[L33] signed long int var_1_12 = 2;
[L34] unsigned short int var_1_13 = 32;
[L35] unsigned short int var_1_14 = 1;
[L36] unsigned short int last_1_var_1_10 = 5;
VAL [isInitial=0, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L101] isInitial = 1
[L102] FCALL initially()
[L103] int k_loop;
[L104] k_loop = 0
VAL [isInitial=1, k_loop=0, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L104] COND TRUE k_loop < 1
VAL [isInitial=1, k_loop=0, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L105] CALL updateLastVariables()
[L94] last_1_var_1_10 = var_1_10
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L105] RET updateLastVariables()
[L106] CALL updateVariables()
[L61] var_1_2 = __VERIFIER_nondet_float()
[L62] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L62] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L63] var_1_3 = __VERIFIER_nondet_float()
[L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L65] var_1_4 = __VERIFIER_nondet_float()
[L66] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L66] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L67] var_1_5 = __VERIFIER_nondet_uchar()
[L68] CALL assume_abort_if_not(var_1_5 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L68] RET assume_abort_if_not(var_1_5 >= 0)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L69] CALL assume_abort_if_not(var_1_5 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L69] RET assume_abort_if_not(var_1_5 <= 1)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L70] var_1_6 = __VERIFIER_nondet_uchar()
[L71] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L71] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L72] CALL assume_abort_if_not(var_1_6 <= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L72] RET assume_abort_if_not(var_1_6 <= 0)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256]
[L73] var_1_8 = __VERIFIER_nondet_float()
[L74] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-256]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-256]
[L74] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-256]
[L75] var_1_9 = __VERIFIER_nondet_long()
[L76] CALL assume_abort_if_not(var_1_9 >= -2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L76] RET assume_abort_if_not(var_1_9 >= -2147483647)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L77] CALL assume_abort_if_not(var_1_9 <= 2147483646)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L77] RET assume_abort_if_not(var_1_9 <= 2147483646)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L78] var_1_11 = __VERIFIER_nondet_char()
[L79] CALL assume_abort_if_not(var_1_11 >= -128)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L79] RET assume_abort_if_not(var_1_11 >= -128)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L80] CALL assume_abort_if_not(var_1_11 <= 127)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L80] RET assume_abort_if_not(var_1_11 <= 127)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L81] CALL assume_abort_if_not(var_1_11 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L81] RET assume_abort_if_not(var_1_11 != 0)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L82] var_1_12 = __VERIFIER_nondet_long()
[L83] CALL assume_abort_if_not(var_1_12 >= -2147483648)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L83] RET assume_abort_if_not(var_1_12 >= -2147483648)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L84] CALL assume_abort_if_not(var_1_12 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L84] RET assume_abort_if_not(var_1_12 <= 2147483647)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L85] CALL assume_abort_if_not(var_1_12 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L85] RET assume_abort_if_not(var_1_12 != 0)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L86] var_1_13 = __VERIFIER_nondet_ushort()
[L87] CALL assume_abort_if_not(var_1_13 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L87] RET assume_abort_if_not(var_1_13 >= 0)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L88] CALL assume_abort_if_not(var_1_13 <= 65534)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L88] RET assume_abort_if_not(var_1_13 <= 65534)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L89] var_1_14 = __VERIFIER_nondet_ushort()
[L90] CALL assume_abort_if_not(var_1_14 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L90] RET assume_abort_if_not(var_1_14 >= 0)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L91] CALL assume_abort_if_not(var_1_14 <= 65534)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L91] RET assume_abort_if_not(var_1_14 <= 65534)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_9=-2147483647]
[L106] RET updateVariables()
[L107] CALL step()
[L40] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)
[L41] var_1_7 = ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10)))
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=-2147483647]
[L45] COND FALSE !(var_1_8 > var_1_4)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=-2147483647]
[L56] COND TRUE ((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)
[L57] var_1_1 = (var_1_5 && var_1_6)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=-2147483647]
[L107] RET step()
[L108] CALL, EXPR property()
[L97-L98] return (((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10))))) : (var_1_7 == ((signed long int) last_1_var_1_10)))) && ((var_1_8 > var_1_4) ? ((! var_1_6) ? (((var_1_9 / ((((var_1_11) > (-64)) ? (var_1_11) : (-64)))) < (var_1_7 / var_1_12)) ? (var_1_10 == ((unsigned short int) var_1_13)) : (var_1_10 == ((unsigned short int) var_1_13))) : (var_1_10 == ((unsigned short int) var_1_14))) : 1)
;
VAL [\result=0, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=-2147483647]
[L108] RET, EXPR property()
[L108] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=-2147483647]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=65534, var_1_14=65534, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_9=-2147483647]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 80 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 275 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 00:14:18,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/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_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/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_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/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_494be130-3e9d-41cc-bf0a-45db91e03a51/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 d6ad1444b30f33b27530b4799d39001f8d6831760aaefdc97e8e3af94a8d9490
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:14:21,575 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:14:21,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 00:14:21,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:14:21,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:14:21,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:14:21,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:14:21,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:14:21,812 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:14:21,812 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:14:21,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:14:21,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:14:21,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:14:21,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:14:21,815 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:14:21,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:14:21,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:14:21,817 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:14:21,818 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:14:21,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:14:21,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:14:21,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:14:21,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:14:21,818 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:14:21,819 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 00:14:21,819 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 00:14:21,819 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:14:21,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:14:21,819 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:14:21,819 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:14:21,819 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:21,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:14:21,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:21,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:14:21,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:14:21,821 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_494be130-3e9d-41cc-bf0a-45db91e03a51/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 -> d6ad1444b30f33b27530b4799d39001f8d6831760aaefdc97e8e3af94a8d9490
[2024-11-24 00:14:22,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:14:22,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:14:22,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:14:22,235 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:14:22,236 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:14:22,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i
[2024-11-24 00:14:25,700 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/7b41f3318/d71c2ec52ae845c29b91c2086d8669b2/FLAG6941f68a5
[2024-11-24 00:14:26,059 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:14:26,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i
[2024-11-24 00:14:26,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/7b41f3318/d71c2ec52ae845c29b91c2086d8669b2/FLAG6941f68a5
[2024-11-24 00:14:26,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/data/7b41f3318/d71c2ec52ae845c29b91c2086d8669b2
[2024-11-24 00:14:26,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:14:26,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:14:26,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:26,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:14:26,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:14:26,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46696a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26, skipping insertion in model container
[2024-11-24 00:14:26,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,152 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:14:26,363 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_494be130-3e9d-41cc-bf0a-45db91e03a51/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i[915,928]
[2024-11-24 00:14:26,439 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:26,469 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:14:26,484 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_494be130-3e9d-41cc-bf0a-45db91e03a51/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-63.i[915,928]
[2024-11-24 00:14:26,541 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:14:26,564 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:14:26,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26 WrapperNode
[2024-11-24 00:14:26,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:14:26,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:26,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:14:26,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:14:26,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,620 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118
[2024-11-24 00:14:26,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:14:26,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:14:26,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:14:26,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:14:26,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,651 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:14:26,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:14:26,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:14:26,680 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:14:26,680 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:14:26,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (1/1) ...
[2024-11-24 00:14:26,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:14:26,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:14:26,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:26,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 00:14:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:14:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:14:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:14:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:14:26,851 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:14:26,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:14:29,875 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live.
[2024-11-24 00:14:29,875 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:14:29,885 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:14:29,886 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 00:14:29,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:29 BoogieIcfgContainer
[2024-11-24 00:14:29,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:14:29,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:14:29,889 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:14:29,893 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:14:29,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:14:26" (1/3) ...
[2024-11-24 00:14:29,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5f1f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:29, skipping insertion in model container
[2024-11-24 00:14:29,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:14:26" (2/3) ...
[2024-11-24 00:14:29,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5f1f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:14:29, skipping insertion in model container
[2024-11-24 00:14:29,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:14:29" (3/3) ...
[2024-11-24 00:14:29,895 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-63.i
[2024-11-24 00:14:29,906 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:14:29,907 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-63.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 00:14:29,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:14:29,970 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;@b48cd3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:14:29,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:14:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 00:14:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-24 00:14:30,006 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:30,007 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:30,007 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:30,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:30,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2070134190, now seen corresponding path program 1 times
[2024-11-24 00:14:30,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:14:30,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997734239]
[2024-11-24 00:14:30,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:30,031 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:30,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:14:30,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:30,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-24 00:14:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:30,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:14:30,387 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:14:30,426 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-24 00:14:30,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:14:30,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:14:30,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997734239]
[2024-11-24 00:14:30,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997734239] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:14:30,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:14:30,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:14:30,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424110318]
[2024-11-24 00:14:30,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:14:30,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:14:30,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:14:30,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:14:30,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:30,456 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-24 00:14:30,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:14:30,497 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions.
[2024-11-24 00:14:30,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 00:14:30,499 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 124
[2024-11-24 00:14:30,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:14:30,505 INFO L225 Difference]: With dead ends: 109
[2024-11-24 00:14:30,506 INFO L226 Difference]: Without dead ends: 52
[2024-11-24 00:14:30,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:14:30,512 INFO L435 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:14:30,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:14:30,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-24 00:14:30,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-24 00:14:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 00:14:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions.
[2024-11-24 00:14:30,563 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 124
[2024-11-24 00:14:30,564 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:14:30,564 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions.
[2024-11-24 00:14:30,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-24 00:14:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions.
[2024-11-24 00:14:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-24 00:14:30,567 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:14:30,568 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:14:30,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-24 00:14:30,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:30,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:14:30,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:14:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1424915222, now seen corresponding path program 1 times
[2024-11-24 00:14:30,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:14:30,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622471701]
[2024-11-24 00:14:30,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:14:30,771 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:14:30,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:14:30,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 00:14:30,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_494be130-3e9d-41cc-bf0a-45db91e03a51/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-24 00:14:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:14:31,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-24 00:14:31,184 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:14:52,679 WARN L286 SmtUtils]: Spent 10.93s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-24 00:15:00,301 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:15:25,573 WARN L286 SmtUtils]: Spent 13.79s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-24 00:16:09,845 WARN L286 SmtUtils]: Spent 18.26s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-24 00:18:24,777 WARN L286 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:20:11,858 WARN L286 SmtUtils]: Spent 5.90s 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)
[2024-11-24 00:21:18,383 WARN L286 SmtUtils]: Spent 5.04s 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)
[2024-11-24 00:23:19,989 WARN L286 SmtUtils]: Spent 5.29s 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)
[2024-11-24 00:23:42,712 WARN L286 SmtUtils]: Spent 5.30s 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)
[2024-11-24 00:25:26,107 WARN L286 SmtUtils]: Spent 6.78s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:26:02,798 WARN L286 SmtUtils]: Spent 5.35s 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)
[2024-11-24 00:26:31,756 WARN L286 SmtUtils]: Spent 8.09s 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)
[2024-11-24 00:26:40,442 WARN L286 SmtUtils]: Spent 6.32s 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)
[2024-11-24 00:26:55,332 WARN L286 SmtUtils]: Spent 5.28s 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)
[2024-11-24 00:27:02,034 WARN L286 SmtUtils]: Spent 6.59s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:27:10,632 WARN L286 SmtUtils]: Spent 5.84s 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)
[2024-11-24 00:27:24,043 WARN L286 SmtUtils]: Spent 5.18s 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)
[2024-11-24 00:28:35,705 WARN L286 SmtUtils]: Spent 5.03s 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)
[2024-11-24 00:28:41,374 WARN L286 SmtUtils]: Spent 5.67s 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)
[2024-11-24 00:28:48,470 WARN L286 SmtUtils]: Spent 7.09s 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)