./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:56:40,607 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:56:40,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 01:56:40,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:56:40,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:56:40,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:56:40,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:56:40,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:56:40,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:56:40,727 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:56:40,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:56:40,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:56:40,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:56:40,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:56:40,728 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:56:40,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:56:40,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:56:40,729 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:56:40,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:56:40,729 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:56:40,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:56:40,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:56:40,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:56:40,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:56:40,730 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:56:40,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:56:40,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:56:40,730 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:56:40,731 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:56:40,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:40,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:56:40,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:40,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:40,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:56:40,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:40,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:56:40,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:56:40,732 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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 -> 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a
[2024-11-24 01:56:41,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:56:41,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:56:41,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:56:41,083 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:56:41,083 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:56:41,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i
[2024-11-24 01:56:44,189 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/a29ebfe6d/c2df883d83514ae1a087f39c0353f39a/FLAG3e038c5a8
[2024-11-24 01:56:44,449 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:56:44,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i
[2024-11-24 01:56:44,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/a29ebfe6d/c2df883d83514ae1a087f39c0353f39a/FLAG3e038c5a8
[2024-11-24 01:56:44,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/a29ebfe6d/c2df883d83514ae1a087f39c0353f39a
[2024-11-24 01:56:44,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:56:44,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:56:44,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:44,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:56:44,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:56:44,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:44" (1/1) ...
[2024-11-24 01:56:44,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f252336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:44, skipping insertion in model container
[2024-11-24 01:56:44,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:44" (1/1) ...
[2024-11-24 01:56:44,785 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:56:44,972 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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928]
[2024-11-24 01:56:45,043 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:45,062 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:56:45,075 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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928]
[2024-11-24 01:56:45,116 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:45,142 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:56:45,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45 WrapperNode
[2024-11-24 01:56:45,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:45,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:45,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:56:45,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:56:45,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,224 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106
[2024-11-24 01:56:45,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:45,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:56:45,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:56:45,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:56:45,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,243 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,276 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 01:56:45,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:56:45,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:56:45,316 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:56:45,316 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:56:45,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (1/1) ...
[2024-11-24 01:56:45,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:45,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:56:45,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:56:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:56:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 01:56:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 01:56:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:56:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:56:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:56:45,478 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:56:45,480 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:56:45,733 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-24 01:56:45,733 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:56:45,744 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:56:45,745 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 01:56:45,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:45 BoogieIcfgContainer
[2024-11-24 01:56:45,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:56:45,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:56:45,748 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:56:45,753 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:56:45,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:56:44" (1/3) ...
[2024-11-24 01:56:45,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72459e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:45, skipping insertion in model container
[2024-11-24 01:56:45,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:45" (2/3) ...
[2024-11-24 01:56:45,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72459e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:45, skipping insertion in model container
[2024-11-24 01:56:45,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:45" (3/3) ...
[2024-11-24 01:56:45,757 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-52.i
[2024-11-24 01:56:45,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:56:45,775 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-52.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:56:45,833 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:56:45,845 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;@65beb329, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:56:45,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:56:45,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 01:56:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-24 01:56:45,860 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:45,860 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:45,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:56:45,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1915705130, now seen corresponding path program 1 times
[2024-11-24 01:56:45,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:45,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058191411]
[2024-11-24 01:56:45,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.
[2024-11-24 01:56:47,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:47,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058191411]
[2024-11-24 01:56:47,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058191411] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:56:47,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500752400]
[2024-11-24 01:56:47,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:47,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:47,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:47,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:56:47,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:56:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:47,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-24 01:56:47,976 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:56:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked.
[2024-11-24 01:56:48,556 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:56:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.
[2024-11-24 01:56:48,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500752400] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:56:48,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:56:48,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 17
[2024-11-24 01:56:48,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287238080]
[2024-11-24 01:56:48,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:56:48,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-24 01:56:48,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:49,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-24 01:56:49,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272
[2024-11-24 01:56:49,016 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33)
[2024-11-24 01:56:50,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:50,484 INFO L93 Difference]: Finished difference Result 213 states and 366 transitions.
[2024-11-24 01:56:50,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states.
[2024-11-24 01:56:50,488 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 113
[2024-11-24 01:56:50,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:50,498 INFO L225 Difference]: With dead ends: 213
[2024-11-24 01:56:50,498 INFO L226 Difference]: Without dead ends: 164
[2024-11-24 01:56:50,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=464, Invalid=1342, Unknown=0, NotChecked=0, Total=1806
[2024-11-24 01:56:50,509 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 199 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-24 01:56:50,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 320 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-24 01:56:50,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2024-11-24 01:56:50,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 109.
[2024-11-24 01:56:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 65 states have (on average 1.123076923076923) internal successors, (73), 66 states have internal predecessors, (73), 36 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-24 01:56:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 145 transitions.
[2024-11-24 01:56:50,584 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 145 transitions. Word has length 113
[2024-11-24 01:56:50,584 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:50,585 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 145 transitions.
[2024-11-24 01:56:50,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33)
[2024-11-24 01:56:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions.
[2024-11-24 01:56:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-24 01:56:50,590 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:50,591 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:50,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:56:50,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 01:56:50,797 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:56:50,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:50,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1106358504, now seen corresponding path program 1 times
[2024-11-24 01:56:50,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:50,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998476645]
[2024-11-24 01:56:50,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:50,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:56:50,944 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:56:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:56:51,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 01:56:51,034 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 01:56:51,036 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 01:56:51,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:56:51,041 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-24 01:56:51,128 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:56:51,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:56:51 BoogieIcfgContainer
[2024-11-24 01:56:51,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:56:51,138 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:56:51,139 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:56:51,139 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:56:51,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:45" (3/4) ...
[2024-11-24 01:56:51,143 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 01:56:51,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:56:51,145 INFO L158 Benchmark]: Toolchain (without parser) took 6390.67ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 69.3MB in the end (delta: 23.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB.
[2024-11-24 01:56:51,145 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:51,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.88ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:56:51,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.68ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:51,146 INFO L158 Benchmark]: Boogie Preprocessor took 86.65ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 72.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:51,146 INFO L158 Benchmark]: RCFGBuilder took 432.85ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 55.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:56:51,147 INFO L158 Benchmark]: TraceAbstraction took 5390.16ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 69.4MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:51,147 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:51,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 388.88ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 79.68ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 86.65ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 72.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 432.85ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 55.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 5390.16ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 69.4MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 5.61ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 69.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 43.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] signed short int var_1_1 = -4;
[L23] double var_1_2 = 255.6;
[L24] unsigned char var_1_5 = 1;
[L25] unsigned char var_1_6 = 0;
[L26] unsigned char var_1_7 = 0;
[L27] unsigned char var_1_8 = 0;
[L28] unsigned char var_1_9 = 8;
[L29] double var_1_10 = 255.2;
[L30] unsigned char var_1_11 = 64;
[L31] unsigned char var_1_12 = 100;
[L32] unsigned char var_1_13 = 32;
[L33] unsigned char var_1_14 = 64;
[L34] unsigned char var_1_15 = 0;
VAL [isInitial=0, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_2=1278/5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8]
[L96] isInitial = 1
[L97] FCALL initially()
[L99] FCALL updateLastVariables()
[L100] CALL updateVariables()
[L60] var_1_2 = __VERIFIER_nondet_double()
[L61] 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, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8]
[L61] 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, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8]
[L62] var_1_6 = __VERIFIER_nondet_uchar()
[L63] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8]
[L63] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8]
[L64] CALL assume_abort_if_not(var_1_6 <= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8]
[L64] RET assume_abort_if_not(var_1_6 <= 1)
VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8]
[L65] var_1_7 = __VERIFIER_nondet_uchar()
[L66] CALL assume_abort_if_not(var_1_7 >= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L66] RET assume_abort_if_not(var_1_7 >= 1)
VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L67] CALL assume_abort_if_not(var_1_7 <= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L67] RET assume_abort_if_not(var_1_7 <= 1)
VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L68] var_1_8 = __VERIFIER_nondet_uchar()
[L69] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_9=8]
[L69] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_9=8]
[L70] CALL assume_abort_if_not(var_1_8 <= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L70] RET assume_abort_if_not(var_1_8 <= 0)
VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L71] var_1_10 = __VERIFIER_nondet_double()
[L72] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L72] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L73] var_1_11 = __VERIFIER_nondet_uchar()
[L74] CALL assume_abort_if_not(var_1_11 >= 63)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L74] RET assume_abort_if_not(var_1_11 >= 63)
VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L75] CALL assume_abort_if_not(var_1_11 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L75] RET assume_abort_if_not(var_1_11 <= 127)
VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L76] var_1_12 = __VERIFIER_nondet_uchar()
[L77] CALL assume_abort_if_not(var_1_12 >= 64)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L77] RET assume_abort_if_not(var_1_12 >= 64)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L78] CALL assume_abort_if_not(var_1_12 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L78] RET assume_abort_if_not(var_1_12 <= 127)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L79] var_1_13 = __VERIFIER_nondet_uchar()
[L80] CALL assume_abort_if_not(var_1_13 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L80] RET assume_abort_if_not(var_1_13 >= 0)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L81] CALL assume_abort_if_not(var_1_13 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L81] RET assume_abort_if_not(var_1_13 <= 127)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L82] var_1_14 = __VERIFIER_nondet_uchar()
[L83] CALL assume_abort_if_not(var_1_14 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L83] RET assume_abort_if_not(var_1_14 >= 0)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L84] CALL assume_abort_if_not(var_1_14 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L84] RET assume_abort_if_not(var_1_14 <= 127)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L85] var_1_15 = __VERIFIER_nondet_uchar()
[L86] CALL assume_abort_if_not(var_1_15 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L86] RET assume_abort_if_not(var_1_15 >= 0)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L87] CALL assume_abort_if_not(var_1_15 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L87] RET assume_abort_if_not(var_1_15 <= 127)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8]
[L100] RET updateVariables()
[L101] CALL step()
[L38] COND TRUE (- var_1_2) <= var_1_10
[L39] var_1_9 = ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15))))
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0]
[L43] COND TRUE var_1_2 < 63.75
[L44] var_1_1 = (10 - var_1_9)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0]
[L48] signed long int stepLocal_0 = (var_1_9 / -256) * 32;
VAL [isInitial=1, stepLocal_0=0, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0]
[L49] COND FALSE !(var_1_9 > stepLocal_0)
[L56] var_1_5 = var_1_7
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0]
[L101] RET step()
[L102] CALL, EXPR property()
[L92-L93] return (((var_1_2 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_9))) : (var_1_1 == ((signed short int) (4 + var_1_9)))) && ((var_1_9 > ((var_1_9 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && (! var_1_8))))) : (var_1_5 == ((unsigned char) var_1_7))) : (var_1_5 == ((unsigned char) var_1_7)))) && (((- var_1_2) <= var_1_10) ? (var_1_9 == ((unsigned char) ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15)))))) : (var_1_9 == ((unsigned char) var_1_12)))
;
VAL [\result=0, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0]
[L102] RET, EXPR property()
[L102] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0]
[L19] reach_error()
VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 208 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 541 IncrementalHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 208 mSolverCounterUnsat, 80 mSDtfsCounter, 541 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=1, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 1104 SizeOfPredicates, 3 NumberOfNonLiveVariables, 250 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1758/1836 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 01:56:51,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:56:54,003 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:56:54,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 01:56:54,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:56:54,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:56:54,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:56:54,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:56:54,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:56:54,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:56:54,165 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:56:54,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:56:54,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:56:54,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:56:54,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:56:54,167 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:56:54,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:56:54,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:56:54,167 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:56:54,167 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:56:54,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:56:54,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:56:54,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:56:54,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:56:54,169 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:56:54,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:54,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:54,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:56:54,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:56:54,171 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 01:56:54,171 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 01:56:54,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:56:54,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:56:54,171 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:56:54,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:56:54,171 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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 -> 2b49dec271465b2754e36573ebd59f8c437d77cb6b6af58205c53363f2448e6a
[2024-11-24 01:56:54,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:56:54,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:56:54,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:56:54,478 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:56:54,478 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:56:54,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i
[2024-11-24 01:56:57,625 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/f618681ea/e31dd8eff003424993cf10aa197c580b/FLAG36e705229
[2024-11-24 01:56:57,925 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:56:57,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i
[2024-11-24 01:56:57,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/f618681ea/e31dd8eff003424993cf10aa197c580b/FLAG36e705229
[2024-11-24 01:56:57,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/data/f618681ea/e31dd8eff003424993cf10aa197c580b
[2024-11-24 01:56:57,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:56:57,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:56:57,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:57,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:56:57,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:56:57,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:57" (1/1) ...
[2024-11-24 01:56:57,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e387b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:57, skipping insertion in model container
[2024-11-24 01:56:57,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:57" (1/1) ...
[2024-11-24 01:56:57,999 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:56:58,183 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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928]
[2024-11-24 01:56:58,256 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:58,279 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:56:58,294 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_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-52.i[915,928]
[2024-11-24 01:56:58,331 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:58,356 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:56:58,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58 WrapperNode
[2024-11-24 01:56:58,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:58,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:58,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:56:58,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:56:58,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,396 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106
[2024-11-24 01:56:58,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:58,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:56:58,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:56:58,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:56:58,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,409 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,421 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 01:56:58,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:56:58,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:56:58,442 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:56:58,443 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:56:58,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (1/1) ...
[2024-11-24 01:56:58,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:58,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:58,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:56:58,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:56:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:56:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 01:56:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 01:56:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 01:56:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:56:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:56:58,583 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:56:58,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:56:58,850 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-24 01:56:58,851 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:56:58,862 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:56:58,862 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 01:56:58,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:58 BoogieIcfgContainer
[2024-11-24 01:56:58,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:56:58,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:56:58,866 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:56:58,872 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:56:58,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:56:57" (1/3) ...
[2024-11-24 01:56:58,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ac30e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:58, skipping insertion in model container
[2024-11-24 01:56:58,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:58" (2/3) ...
[2024-11-24 01:56:58,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ac30e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:58, skipping insertion in model container
[2024-11-24 01:56:58,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:58" (3/3) ...
[2024-11-24 01:56:58,875 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-52.i
[2024-11-24 01:56:58,892 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:56:58,894 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-52.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:56:58,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:56:58,963 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;@2de0ab8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:56:58,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:56:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 01:56:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-24 01:56:58,993 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:58,994 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:58,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:56:59,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:59,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1915705130, now seen corresponding path program 1 times
[2024-11-24 01:56:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:56:59,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878328509]
[2024-11-24 01:56:59,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:59,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:56:59,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:56:59,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 01:56:59,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-24 01:56:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:59,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-24 01:56:59,301 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:56:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked.
[2024-11-24 01:56:59,929 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:57:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.
[2024-11-24 01:57:00,415 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:57:00,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878328509]
[2024-11-24 01:57:00,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878328509] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:57:00,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 01:57:00,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15
[2024-11-24 01:57:00,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655339695]
[2024-11-24 01:57:00,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:57:00,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-24 01:57:00,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:57:00,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-24 01:57:00,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210
[2024-11-24 01:57:00,450 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26)
[2024-11-24 01:57:02,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:57:02,065 INFO L93 Difference]: Finished difference Result 207 states and 359 transitions.
[2024-11-24 01:57:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2024-11-24 01:57:02,069 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 113
[2024-11-24 01:57:02,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:57:02,077 INFO L225 Difference]: With dead ends: 207
[2024-11-24 01:57:02,077 INFO L226 Difference]: Without dead ends: 158
[2024-11-24 01:57:02,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=343, Invalid=989, Unknown=0, NotChecked=0, Total=1332
[2024-11-24 01:57:02,083 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 220 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:57:02,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 267 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-24 01:57:02,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2024-11-24 01:57:02,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 59.
[2024-11-24 01:57:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 01:57:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 79 transitions.
[2024-11-24 01:57:02,140 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 79 transitions. Word has length 113
[2024-11-24 01:57:02,140 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:57:02,141 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 79 transitions.
[2024-11-24 01:57:02,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26)
[2024-11-24 01:57:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions.
[2024-11-24 01:57:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-24 01:57:02,146 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:57:02,147 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:57:02,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-24 01:57:02,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:57:02,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:57:02,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:57:02,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1106358504, now seen corresponding path program 1 times
[2024-11-24 01:57:02,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:57:02,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486625697]
[2024-11-24 01:57:02,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:57:02,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:57:02,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:57:02,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 01:57:02,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-24 01:57:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:57:02,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-24 01:57:02,525 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:57:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 01:57:14,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:57:14,204 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:57:14,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486625697]
[2024-11-24 01:57:14,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486625697] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:57:14,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:57:14,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-24 01:57:14,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097211375]
[2024-11-24 01:57:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:57:14,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 01:57:14,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:57:14,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 01:57:14,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-24 01:57:14,208 INFO L87 Difference]: Start difference. First operand 59 states and 79 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:57:14,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:57:14,836 INFO L93 Difference]: Finished difference Result 87 states and 110 transitions.
[2024-11-24 01:57:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 01:57:14,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113
[2024-11-24 01:57:14,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:57:14,841 INFO L225 Difference]: With dead ends: 87
[2024-11-24 01:57:14,841 INFO L226 Difference]: Without dead ends: 85
[2024-11-24 01:57:14,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-24 01:57:14,843 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 36 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-24 01:57:14,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 277 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-24 01:57:14,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2024-11-24 01:57:14,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 64.
[2024-11-24 01:57:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 01:57:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions.
[2024-11-24 01:57:14,857 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 113
[2024-11-24 01:57:14,858 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:57:14,858 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions.
[2024-11-24 01:57:14,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:57:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions.
[2024-11-24 01:57:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-24 01:57:14,860 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:57:14,860 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:57:14,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-24 01:57:15,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:57:15,061 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:57:15,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:57:15,062 INFO L85 PathProgramCache]: Analyzing trace with hash 668648858, now seen corresponding path program 1 times
[2024-11-24 01:57:15,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:57:15,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681050723]
[2024-11-24 01:57:15,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:57:15,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:57:15,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:57:15,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 01:57:15,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-24 01:57:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:57:15,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-24 01:57:15,197 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:57:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 01:57:23,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:57:23,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:57:23,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681050723]
[2024-11-24 01:57:23,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681050723] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:57:23,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:57:23,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-24 01:57:23,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269575493]
[2024-11-24 01:57:23,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:57:23,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 01:57:23,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:57:23,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 01:57:23,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-24 01:57:23,700 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:57:24,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:57:24,444 INFO L93 Difference]: Finished difference Result 90 states and 113 transitions.
[2024-11-24 01:57:24,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-24 01:57:24,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113
[2024-11-24 01:57:24,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:57:24,448 INFO L225 Difference]: With dead ends: 90
[2024-11-24 01:57:24,448 INFO L226 Difference]: Without dead ends: 88
[2024-11-24 01:57:24,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-24 01:57:24,449 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-24 01:57:24,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 331 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-24 01:57:24,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-24 01:57:24,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 62.
[2024-11-24 01:57:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 01:57:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 82 transitions.
[2024-11-24 01:57:24,462 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 82 transitions. Word has length 113
[2024-11-24 01:57:24,462 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:57:24,462 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 82 transitions.
[2024-11-24 01:57:24,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:57:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions.
[2024-11-24 01:57:24,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 01:57:24,464 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:57:24,465 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:57:24,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-11-24 01:57:24,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:57:24,666 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:57:24,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:57:24,669 INFO L85 PathProgramCache]: Analyzing trace with hash 508969851, now seen corresponding path program 1 times
[2024-11-24 01:57:24,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:57:24,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594324224]
[2024-11-24 01:57:24,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:57:24,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:57:24,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:57:24,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 01:57:24,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-24 01:57:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:57:24,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-24 01:57:24,812 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:57:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked.
[2024-11-24 01:57:32,527 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:58:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 01:58:01,277 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:58:01,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594324224]
[2024-11-24 01:58:01,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594324224] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:58:01,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:58:01,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18
[2024-11-24 01:58:01,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090454040]
[2024-11-24 01:58:01,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:58:01,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 01:58:01,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:58:01,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 01:58:01,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306
[2024-11-24 01:58:01,280 INFO L87 Difference]: Start difference. First operand 62 states and 82 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:58:08,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:58:08,856 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions.
[2024-11-24 01:58:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 01:58:08,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 01:58:08,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:58:08,860 INFO L225 Difference]: With dead ends: 95
[2024-11-24 01:58:08,860 INFO L226 Difference]: Without dead ends: 93
[2024-11-24 01:58:08,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380
[2024-11-24 01:58:08,861 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 33 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-24 01:58:08,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 315 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-24 01:58:08,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-11-24 01:58:08,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 65.
[2024-11-24 01:58:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 43 states have internal predecessors, (50), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 01:58:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions.
[2024-11-24 01:58:08,875 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 114
[2024-11-24 01:58:08,876 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:58:08,876 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions.
[2024-11-24 01:58:08,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:58:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions.
[2024-11-24 01:58:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 01:58:08,878 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:58:08,879 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:58:08,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-24 01:58:09,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:58:09,081 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:58:09,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:58:09,082 INFO L85 PathProgramCache]: Analyzing trace with hash 507122809, now seen corresponding path program 1 times
[2024-11-24 01:58:09,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:58:09,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822100627]
[2024-11-24 01:58:09,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:58:09,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:58:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:58:09,084 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 01:58:09,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-24 01:58:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:58:09,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-24 01:58:09,185 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:58:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked.
[2024-11-24 01:58:18,670 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:58:46,777 WARN L286 SmtUtils]: Spent 6.79s on a formula simplification. DAG size of input: 169 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-24 01:59:02,683 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:59:02,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822100627]
[2024-11-24 01:59:02,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822100627] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:59:02,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [554804678]
[2024-11-24 01:59:02,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:59:02,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-24 01:59:02,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4
[2024-11-24 01:59:02,698 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-24 01:59:02,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process
[2024-11-24 01:59:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:59:03,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-24 01:59:03,107 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:59:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 01:59:09,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:59:09,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [554804678] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:59:09,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:59:09,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 18
[2024-11-24 01:59:09,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379299830]
[2024-11-24 01:59:09,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:59:09,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 01:59:09,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:59:09,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 01:59:09,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552
[2024-11-24 01:59:09,411 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:59:10,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:59:10,933 INFO L93 Difference]: Finished difference Result 88 states and 110 transitions.
[2024-11-24 01:59:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 01:59:10,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 01:59:10,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:59:10,935 INFO L225 Difference]: With dead ends: 88
[2024-11-24 01:59:10,936 INFO L226 Difference]: Without dead ends: 86
[2024-11-24 01:59:10,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650
[2024-11-24 01:59:10,937 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 35 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 01:59:10,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 333 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 01:59:10,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-11-24 01:59:10,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 65.
[2024-11-24 01:59:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 43 states have internal predecessors, (50), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 01:59:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions.
[2024-11-24 01:59:10,950 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 114
[2024-11-24 01:59:10,950 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:59:10,950 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions.
[2024-11-24 01:59:10,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 01:59:10,951 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions.
[2024-11-24 01:59:10,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 01:59:10,954 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:59:10,955 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:59:10,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-11-24 01:59:11,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0
[2024-11-24 01:59:11,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt
[2024-11-24 01:59:11,355 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:59:11,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:59:11,356 INFO L85 PathProgramCache]: Analyzing trace with hash -300376775, now seen corresponding path program 1 times
[2024-11-24 01:59:11,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:59:11,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641762837]
[2024-11-24 01:59:11,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:59:11,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 01:59:11,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:59:11,358 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-24 01:59:11,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (8)] Waiting until timeout for monitored process
[2024-11-24 01:59:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:59:11,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-24 01:59:11,472 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:59:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked.
[2024-11-24 01:59:22,052 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 02:00:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 02:00:07,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:00:07,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641762837]
[2024-11-24 02:00:07,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641762837] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-24 02:00:07,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 02:00:07,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18
[2024-11-24 02:00:07,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947999980]
[2024-11-24 02:00:07,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:00:07,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:00:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:00:07,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:00:07,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306
[2024-11-24 02:00:07,447 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:00:17,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:00:17,999 INFO L93 Difference]: Finished difference Result 96 states and 120 transitions.
[2024-11-24 02:00:18,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 02:00:18,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 02:00:18,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:00:18,004 INFO L225 Difference]: With dead ends: 96
[2024-11-24 02:00:18,005 INFO L226 Difference]: Without dead ends: 94
[2024-11-24 02:00:18,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380
[2024-11-24 02:00:18,006 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 33 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-24 02:00:18,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 271 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-24 02:00:18,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-24 02:00:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 66.
[2024-11-24 02:00:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 44 states have internal predecessors, (52), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 02:00:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions.
[2024-11-24 02:00:18,033 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 114
[2024-11-24 02:00:18,034 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:00:18,034 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions.
[2024-11-24 02:00:18,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:00:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions.
[2024-11-24 02:00:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 02:00:18,035 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:00:18,036 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:18,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (8)] Ended with exit code 0
[2024-11-24 02:00:18,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:00:18,236 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:00:18,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:00:18,237 INFO L85 PathProgramCache]: Analyzing trace with hash -302223817, now seen corresponding path program 1 times
[2024-11-24 02:00:18,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:00:18,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276399810]
[2024-11-24 02:00:18,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:00:18,237 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 02:00:18,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 02:00:18,239 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:00:18,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (9)] Waiting until timeout for monitored process
[2024-11-24 02:00:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:00:18,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-24 02:00:18,347 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:00:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked.
[2024-11-24 02:00:29,525 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 02:01:09,846 WARN L286 SmtUtils]: Spent 15.59s on a formula simplification. DAG size of input: 169 DAG size of output: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-24 02:01:25,827 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:01:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276399810]
[2024-11-24 02:01:25,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276399810] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 02:01:25,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [699173685]
[2024-11-24 02:01:25,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:25,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-24 02:01:25,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4
[2024-11-24 02:01:25,829 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-24 02:01:25,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process
[2024-11-24 02:01:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:26,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-24 02:01:26,221 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:01:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 02:01:34,280 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:01:34,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [699173685] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:01:34,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 02:01:34,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 18
[2024-11-24 02:01:34,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503345969]
[2024-11-24 02:01:34,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:01:34,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 02:01:34,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:01:34,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 02:01:34,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552
[2024-11-24 02:01:34,282 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:01:36,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:01:36,372 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions.
[2024-11-24 02:01:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:01:36,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 02:01:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:01:36,376 INFO L225 Difference]: With dead ends: 86
[2024-11-24 02:01:36,376 INFO L226 Difference]: Without dead ends: 84
[2024-11-24 02:01:36,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 28.7s TimeCoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650
[2024-11-24 02:01:36,377 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 27 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-24 02:01:36,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 347 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-24 02:01:36,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-11-24 02:01:36,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 63.
[2024-11-24 02:01:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 02:01:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions.
[2024-11-24 02:01:36,391 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 114
[2024-11-24 02:01:36,391 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:01:36,392 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions.
[2024-11-24 02:01:36,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:01:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions.
[2024-11-24 02:01:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 02:01:36,393 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:36,393 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:36,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0
[2024-11-24 02:01:36,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (9)] Forceful destruction successful, exit code 0
[2024-11-24 02:01:36,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:01:36,794 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:36,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:36,795 INFO L85 PathProgramCache]: Analyzing trace with hash -171088519, now seen corresponding path program 1 times
[2024-11-24 02:01:36,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:01:36,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662962939]
[2024-11-24 02:01:36,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:36,795 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 02:01:36,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 02:01:36,797 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:01:36,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (11)] Waiting until timeout for monitored process
[2024-11-24 02:01:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:36,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-24 02:01:36,890 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:01:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 02:01:46,324 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:01:46,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:01:46,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662962939]
[2024-11-24 02:01:46,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662962939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:01:46,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:01:46,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:01:46,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402568645]
[2024-11-24 02:01:46,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:01:46,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:01:46,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:01:46,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:01:46,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:01:46,327 INFO L87 Difference]: Start difference. First operand 63 states and 84 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:01:48,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:01:48,656 INFO L93 Difference]: Finished difference Result 91 states and 114 transitions.
[2024-11-24 02:01:48,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 02:01:48,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 02:01:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:01:48,659 INFO L225 Difference]: With dead ends: 91
[2024-11-24 02:01:48,659 INFO L226 Difference]: Without dead ends: 89
[2024-11-24 02:01:48,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:01:48,660 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 36 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-24 02:01:48,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 297 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-24 02:01:48,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-24 02:01:48,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 66.
[2024-11-24 02:01:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 states have internal predecessors, (53), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 02:01:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 89 transitions.
[2024-11-24 02:01:48,682 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 89 transitions. Word has length 114
[2024-11-24 02:01:48,683 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:01:48,683 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 89 transitions.
[2024-11-24 02:01:48,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:01:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions.
[2024-11-24 02:01:48,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 02:01:48,684 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:48,684 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:48,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (11)] Ended with exit code 0
[2024-11-24 02:01:48,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:01:48,885 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:48,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:48,886 INFO L85 PathProgramCache]: Analyzing trace with hash -172935561, now seen corresponding path program 1 times
[2024-11-24 02:01:48,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:01:48,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397015181]
[2024-11-24 02:01:48,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:48,886 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 02:01:48,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 02:01:48,889 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:01:48,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (12)] Waiting until timeout for monitored process
[2024-11-24 02:01:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:48,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-24 02:01:48,986 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:01:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 02:01:59,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:01:59,916 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:01:59,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397015181]
[2024-11-24 02:01:59,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397015181] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:01:59,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:01:59,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 02:01:59,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962977602]
[2024-11-24 02:01:59,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:01:59,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 02:01:59,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:01:59,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 02:01:59,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:01:59,917 INFO L87 Difference]: Start difference. First operand 66 states and 89 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:02:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:02:02,230 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions.
[2024-11-24 02:02:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:02:02,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 02:02:02,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:02:02,233 INFO L225 Difference]: With dead ends: 92
[2024-11-24 02:02:02,233 INFO L226 Difference]: Without dead ends: 90
[2024-11-24 02:02:02,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110
[2024-11-24 02:02:02,235 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 38 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-24 02:02:02,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 294 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-24 02:02:02,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2024-11-24 02:02:02,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 65.
[2024-11-24 02:02:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 02:02:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions.
[2024-11-24 02:02:02,248 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 114
[2024-11-24 02:02:02,249 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:02:02,249 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions.
[2024-11-24 02:02:02,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:02:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions.
[2024-11-24 02:02:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 02:02:02,250 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:02:02,250 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:02,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (12)] Ended with exit code 0
[2024-11-24 02:02:02,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:02:02,451 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:02:02,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:02:02,451 INFO L85 PathProgramCache]: Analyzing trace with hash -980435145, now seen corresponding path program 1 times
[2024-11-24 02:02:02,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:02:02,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201045513]
[2024-11-24 02:02:02,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:02:02,452 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 02:02:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 02:02:02,454 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:02:02,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (13)] Waiting until timeout for monitored process
[2024-11-24 02:02:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:02:02,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-24 02:02:02,572 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:02:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 02:02:11,966 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:02:11,966 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:02:11,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201045513]
[2024-11-24 02:02:11,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201045513] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:02:11,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:02:11,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:02:11,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944545726]
[2024-11-24 02:02:11,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:02:11,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:02:11,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:02:11,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:02:11,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:02:11,967 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:02:14,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:02:14,214 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions.
[2024-11-24 02:02:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 02:02:14,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 02:02:14,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:02:14,217 INFO L225 Difference]: With dead ends: 86
[2024-11-24 02:02:14,218 INFO L226 Difference]: Without dead ends: 84
[2024-11-24 02:02:14,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:02:14,220 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 25 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-24 02:02:14,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 320 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-24 02:02:14,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-11-24 02:02:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 65.
[2024-11-24 02:02:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-24 02:02:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions.
[2024-11-24 02:02:14,233 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 114
[2024-11-24 02:02:14,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:02:14,234 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions.
[2024-11-24 02:02:14,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:02:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions.
[2024-11-24 02:02:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-24 02:02:14,235 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:02:14,235 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:14,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (13)] Forceful destruction successful, exit code 0
[2024-11-24 02:02:14,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:02:14,436 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:02:14,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:02:14,436 INFO L85 PathProgramCache]: Analyzing trace with hash -982282187, now seen corresponding path program 1 times
[2024-11-24 02:02:14,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:02:14,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964717200]
[2024-11-24 02:02:14,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:02:14,437 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 02:02:14,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 02:02:14,438 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:02:14,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (14)] Waiting until timeout for monitored process
[2024-11-24 02:02:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:02:14,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-24 02:02:14,531 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:02:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-24 02:02:25,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:02:25,628 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:02:25,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964717200]
[2024-11-24 02:02:25,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964717200] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:02:25,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:02:25,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 02:02:25,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405208324]
[2024-11-24 02:02:25,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:02:25,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 02:02:25,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:02:25,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 02:02:25,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:02:25,630 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:02:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:02:28,144 INFO L93 Difference]: Finished difference Result 87 states and 110 transitions.
[2024-11-24 02:02:28,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 02:02:28,146 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114
[2024-11-24 02:02:28,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:02:28,146 INFO L225 Difference]: With dead ends: 87
[2024-11-24 02:02:28,146 INFO L226 Difference]: Without dead ends: 0
[2024-11-24 02:02:28,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110
[2024-11-24 02:02:28,147 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 28 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-24 02:02:28,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 310 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-24 02:02:28,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-24 02:02:28,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-24 02:02:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:02:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-24 02:02:28,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114
[2024-11-24 02:02:28,149 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:02:28,149 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 02:02:28,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-24 02:02:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-24 02:02:28,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-24 02:02:28,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 02:02:28,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 (14)] Ended with exit code 0
[2024-11-24 02:02:28,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/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 02:02:28,355 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:02:28,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-24 02:03:34,432 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 283 DAG size of output: 716 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)
[2024-11-24 02:04:45,923 WARN L286 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 716 DAG size of output: 7 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)
[2024-11-24 02:04:47,544 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 02:04:47,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:04:47 BoogieIcfgContainer
[2024-11-24 02:04:47,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 02:04:47,554 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:04:47,554 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:04:47,554 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 02:04:47,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:58" (3/4) ...
[2024-11-24 02:04:47,557 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 02:04:47,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-24 02:04:47,565 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-24 02:04:47,565 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-24 02:04:47,565 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 02:04:47,565 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 02:04:47,647 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 02:04:47,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 02:04:47,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:04:47,649 INFO L158 Benchmark]: Toolchain (without parser) took 469680.34ms. Allocated memory was 83.9MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 60.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 210.6MB. Max. memory is 16.1GB.
[2024-11-24 02:04:47,649 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:04:47,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.67ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 02:04:47,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.66ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:04:47,649 INFO L158 Benchmark]: Boogie Preprocessor took 44.96ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:04:47,650 INFO L158 Benchmark]: RCFGBuilder took 420.39ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 28.8MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:04:47,650 INFO L158 Benchmark]: TraceAbstraction took 468687.97ms. Allocated memory was 83.9MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 28.2MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 765.2MB. Max. memory is 16.1GB.
[2024-11-24 02:04:47,650 INFO L158 Benchmark]: Witness Printer took 93.57ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:04:47,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 386.67ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.66ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.96ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 420.39ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 28.8MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 468687.97ms. Allocated memory was 83.9MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 28.2MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 765.2MB. Max. memory is 16.1GB.
* Witness Printer took 93.57ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. 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
- PositiveResult [Line: 19]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 329.4s, OverallIterations: 11, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 556 SdHoareTripleChecker+Valid, 14.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 544 mSDsluCounter, 3362 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2519 mSDsCounter, 236 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1339 IncrementalHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 236 mSolverCounterUnsat, 843 mSDtfsCounter, 1339 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1872 GetRequests, 1705 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 85.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=6, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 311 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 290.0s InterpolantComputationTime, 1479 NumberOfCodeBlocks, 1479 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1804 ConstructedInterpolants, 10 QuantifiedInterpolants, 14311 SizeOfPredicates, 185 NumberOfNonLiveVariables, 2350 ConjunctsInSsa, 175 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 9591/9792 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 98]: Loop Invariant
Derived loop invariant: ((var_1_12 <= 127) && (var_1_12 >= 64))
RESULT: Ultimate proved your program to be correct!
[2024-11-24 02:04:47,866 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2024-11-24 02:04:47,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b4ccde-1f56-4e13-9b3f-ddc34a32f618/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE